R8563C KITZ 204

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User Manual

Type KITZ 204 VDEW/IEC 60870-5-103Communications Protocol Converter

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HANDLING OF ELECTRONIC EQUIPMENT

A person's normal movements can easily generate electrostatic potentials of several thousand volts.

Discharge of these voltages into semiconductor devices when handling electronic circuits can cause serious

damage, which often may not be immediately apparent but the reliability of the circuit will have been

reduced.

The electronic circuits of ALSTOM T&D Protection & Control Ltd products are immune to the relevant levels of

electrostatic discharge when housed in their cases. Do not expose them to the risk of damage by

withdrawing modules unnecessarily.

Each module incorporates the highest practicable protection for its semiconductor devices. However, if it

becomes necessary to withdraw a module, the following precautions should be taken to preserve the high

reliability and long life for which the equipment has been designed and manufactured.

1. Before removing a module, ensure that you are at the same electrostatic potential as the equipment by

touching the case.

2. Handle the module by its front-plate, frame, or edges of the printed circuit board.

Avoid touching the electronic components, printed circuit track or connectors.

3. Do not pass the module to any person without first ensuring that you are both at the same electrostatic

potential. Shaking hands achieves equipotential.

4. Place the module on an antistatic surface, or on a conducting surface which is at the same

potential as yourself.

5. Store or transport the module in a conductive bag.

More information on safe working procedures for all electronic equipment can be found in BS5783 and

IEC 60147-0F.

If you are making measurements on the internal electronic circuitry of an equipment in service, it ispreferable that you are earthed to the case with a conductive wrist strap.

Wrist straps should have a resistance to ground between 500k 10M ohms. If a wrist strap is not available,

you should maintain regular contact with the case to prevent the build up of static. Instrumentation which

may be used for making measurements should be earthed to the case whenever possible.

ALSTOM T&D Protection & Control Ltd strongly recommends that detailed investigations on the electronic

circuitry, or modification work, should be carried out in a Special Handling Area such as described in

BS5783 or IEC 60147-0F.

User Manual

Type KITZ 204 VDEW/IEC 60870-5-103Communications Protocol Converter

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CONTENTS

SAFETY SECTION 8

1. INTRODUCTION 12

2. HANDLING AND INSTALLATION 122.1 Receipt of KITZ 204 units 12

2.2 Electrostatic discharge (ESD) 122.3 Unpacking 132.4 Storage 132.5 Initial set-up - setting the communication address 13

. FEATURES 14

4. CONNECTION 144.1 Connection 144.1.1 K-Bus connection 154.1.2 Rear RS232 (VDEW/IEC 60870-5-103) connection 164.1.3 Rear RS485 (VDEW/IEC 60870-5-103) connection 174.1.4 Rear optical fibre (VDEW/IEC 60870-5-103) connection 184.1.5 Front RS232 (Courier) connection 19

5. ALARMS AND INDICATIONS 205.1 Communication indications operation 205.2 Unit healthy LED 205.3 Unit alarm LED 205.4 Alarm records 20

5.5 Testing LED indication operation 215.6 Watchdog contact operation 215.7 KITZ 204 events 21

6. OPERATION 216.1 Introduction 216.2 Application notes 216.3 Courier addressing 226.3.1 Downstream unit courier addressing 22

6.3.2 KITZ 204 Courier addressing 236.4 VDEW/IEC 60870-5-103 addressing 236.4.1 Downstream unit VDEW/IEC 60870-5-103 addressing 236.4.2 KITZ 204 VDEW/IEC 60870-5-103 Addressing 236.5 VDEW/IEC 60870-5-103 mode 236.6 Communication port priority 246.7 Communication between KITZ 204 and downstream units (Port 3) 246.7.1 Initialisation 246.7.2 Normal polling 25

6.7.3 Busy replies from downstream units 266.7.4 Retries to downstream units 276.7.5 Global requests 27

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6.8 Courier master communications (Port 0) 286.8.1 Request message processing 286.8.2 Poll status and poll buffer 286.8.3 Block transfer from a Courier address 286.8.4 KITZ 204 setting changes 286.9 VDEW/IEC 60870-5-103 master communications (Port 1 or 2) 286.9.1 Principle of protocol conversion 28

6.9.2 Request message processing 296.9.3 VDEW/IEC 60870-5-103 events 296.9.4 VDEW/IEC 60870-5-103 disturbance records 306.10 Real time clock (RTC) time and date 306.10.1 Real time clock setting 306.10.2 Time tagging of master reply messages 31

7. USER INTERFACE (TO COURIER MASTER) 317.1 Introduction 31

7.2 KITZ 204 Courier database 317.3 Courier passwords 317.4 Extended password protection 327.5 Data cells 327.6 Event extraction 327.7 Invalid settings 32

8. TECHNICAL DATA 338.1 Ratings auxiliary supply 338.2 Burden auxiliary supply 33

8.3 Real time clock 338.4 Watchdog contact 338.5 Operation indications 338.6 Communication ports 338.6.1 Courier (RS232) Port 0 338.6.2 VDEW/IEC 60870-5-103 (fibre optic) Port 1 348.6.3 VDEW/IEC 60870-5-103 (RS232) Port 2 348.6.4 VDEW/IEC 60870-5-103 (RS485) Port 2 34

8.6.5 K-Bus Port 3 358.6.6 High voltage withstand 368.6.7 Electrical environment 378.6.8 Product safety 388.6.9 Atmospheric environment 388.6.10 Mechanical environment 388.7 User tests 39

9. COMMISSIONING, PROBLEM SOLVING AND MAINTENANCE. 399.1 General 39

9.2 Commissioning instructions 399.2.1 Commissioning preliminaries 399.2.2 Auxiliary supply tests 409.2.3 Configuration 40

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9.2.4 Testing communication port operation 419.3 Problem solving guide 419.3.1 All indications are off 419.3.2 Green supply indication is off and alarm indication is on 419.3.3 No communications 419.3.4 Slow communications response (many retries) 429.3.5 Cannot access one or more of the downstream units within the

specified address range 429.3.6 Master station time out 429.3.7 Connected Courier downstream relay communications is slow

when communicating via the KITZ 204. 439.4 Maintenance 439.4.1 Battery replacement 43

10. COURIER DATABASE SETTINGS 4410.1 System data 4410.1.1 Language 4510.1.2 Password 4510.1.3 Description 4510.1.4 Plant reference 4510.1.5 Model number 4510.1.6 Serial number 4510.1.7 Communications Level 4510.1.8 Unit address 4510.1.9 Software reference 45

10.1.10 Alarms 4510.2 Unit settings 4610.2.1 Extended password protection 4610.2.2 Menu access 4610.2.3 IEC mode 4610.2.4 Password timer 4610.2.5 VDEW port 4610.3 Port 0 settings 4710.3.1 Port 0 setting timer 47

10.3.2 Port 0 block timer 4710.3.3 Port 0 reply timer 4710.3.4 Port 0 reset timer 4710.3.5 Port 0 add time Tag 4710.4 Port 1 settings 4810.4.1 Port 1 mode 4810.4.2 Port 1 data rate 4810.4.3 Port 1 setting timer 48

10.4.4 Port 1 block timer 4910.4.5 Port 1 reply timer 4910.4.6 Port 1 reset timer 4910.5 Port 2 settings 50

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10.5.1 Port 2 mode 5010.5.2 Port 2 data rate 5010.5.3 Port 2 setting timer 5010.5.4 Port 2 block timer 5110.5.5 Port 2 reply timer 5110.5.6 Port 2 reset timer 5110.6 Port 3 settings 51

10.6.1 Port 3 reply timer 5110.6.2 Port 3 retries 5110.6.3 Port 3 busy replies 5210.6.4 Port 3 global message transmission timer 5210.6.5 Port 3 message transmission delay timer 5210.7 Indications 5210.7.1 Illuminate indications on power-up test 5210.7.2 Indications test illumination time 5210.7.3 Illuminate indications test 5210.8 Real time clock 5310.8.1 Date and time 5310.9 Communications statistics 5310.9.1 Reset communication total message statistics 5310.9.2 Reset communication total message error statistics 5310.9.3 Port 0 communication total messages received 5410.9.4 Port 0 communication total error message received 5410.9.5 Port 1 communication total messages received 54

10.9.6 Port 1 communication total error message received 5410.9.7 Port 2 communication total messages received 5410.9.8 Port 2 communication total error message received 5410.9.9 Port 3 communication total messages received 5410.9.10 Port 3 communication total error message received 5410.10 Address range 5510.10.1 Base address 5510.10.2 Number of downstream units 5610.10.3 Address mapping 56

10.10.4 Devx VDEW address 5610.10.5 Devx status 5610.11 Measurements 5710.11.1 Devx timer 5910.11.2 Devx rated value voltage 5910.11.3 Devx rated value current 5910.11.4 Devx rated value power 5910.11.5 Devx rated value VAr 59

10.11.6 Devx rated value frequency 5910.11.7 Devx value 59

11. REFERENCES 60

12. GLOSSARY 61

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SAFETY SECTION

This Safety Section should be read before commencing any work on the equipment.

Health and safety

The information in the Safety Section of the product documentation is intended toensure that products are properly installed and handled in order to maintain

them in a safe condition. It is assumed that everyone who will be associated withthe equipment will be familiar with the contents of the Safety Section.

Explanation of symbols and labels

The meaning of symbols and labels which may be used on the equipment or inthe product documentation, is given below.

Caution: refer to product documentation Caution: risk of electric shock

Protective/safety *earth terminal

Functional *earth terminal.Note: this symbol may also be used for a protective/

safety earth terminal if that terminal is part of aterminal block or sub-assembly eg. power supply.

*Note: The term earth used throughout this manual is the direct equivalent ofthe North American term ground.

Installing, Commissioning and Servicing

Equipment connections

Personnel undertaking installation, commissioning or servicing work on thisequipment should be aware of the correct working procedures to ensure safety.The product documentation should be consulted before installing, commissioningor servicing the equipment.

Terminals exposed during installation, commissioning and maintenance maypresent a hazardous voltage unless the equipment is electrically isolated.

If there is unlocked access to the rear of the equipment, care should be taken byall personnel to avoid electric shock or energy hazards.

Voltage and current connections should be made using insulated crimpterminations to ensure that terminal block insulation requirements are maintainedfor safety. To ensure that wires are correctly terminated, the correct crimpterminal and tool for the wire size should be used.

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Before energising the equipment it must be earthed using the protective earthterminal, or the appropriate termination of the supply plug in the case of plugconnected equipment. Omitting or disconnecting the equipment earth may causea safety hazard.

The recommended minimum earth wire size is 2.5 mm2, unless otherwise statedin the technical data section of the Service Manual.

Before energising the equipment, the following should be checked:Voltage rating and polarity;

CT circuit rating and integrity of connections;

Protective fuse rating;

Integrity of earth connection (where applicable)

Equipment operating conditions

The equipment should be operated within the specified electrical andenvironmental limits.

Current transformer circuits

Do not open the secondary circuit of a live CT since the high voltage producedmay be lethal to personnel and could damage insulation.

External resistors

Where external resistors are fitted to relays, these may present a risk of electricshock or burns, if touched.

Battery replacement

Where internal batteries are fitted they should be replaced with therecommended type and be installed with the correct polarity, to avoid possibledamage to the equipment.

Insulation and dielectric strength testing

Insulation testing may leave capacitors charged up to a hazardous voltage.At the end of each part of the test, the voltage should be gradually reduced tozero, to discharge capacitors, before the test leads are disconnected.

Insertion of modules and pcb cards

These must not be inserted into or withdrawn from equipment whilst it isenergised, since this may result in damage.

Fibre optic communication

Where fibre optic communication devices are fitted, these should not be vieweddirectly. Optical power meters should be used to determine the operation orsignal level of the device.

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Older products

Electrical adjustments

Equipments which require direct physical adjustments to their operatingmechanism to change current or voltage settings, should have the electricalpower removed before making the change, to avoid any risk of electric shock.

Mechanical adjustments

The electrical power to the relay contacts should be removed before checkingany mechanical settings, to avoid any risk of electric shock.

Draw out case relays

Removal of the cover on equipment incorporating electromechanical operatingelements, may expose hazardous live parts such as relay contacts.

Insertion and withdrawal of extender cards

When using an extender card, this should not be inserted or withdrawn from theequipment whilst it is energised. This is to avoid possible shock or damagehazards. Hazardous live voltages may be accessible on the extender card.

Insertion and withdrawal of heavy current test plugs

When using a heavy current test plug, CT shorting links must be in place beforeinsertion or removal, to avoid potentially lethal voltages.

Decommissioning and Disposal

Decommissioning: The auxiliary supply circuit in the relay may includecapacitors across the supply or to earth. To avoid electricshock or energy hazards, after completely isolating thesupplies to the relay (both poles of any DC supply), thecapacitors should be safely discharged via the externalterminals prior to decommissioning.

Disposal: It is recommended that incineration and disposal to watercourses is avoided. The product should be disposed of in

a safe manner. Any products containing batteries shouldhave them removed before disposal, taking precautions toavoid short circuits. Particular regulations within thecountry of operation, may apply to the disposal of lithiumbatteries.

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Technical Specifications

Protective fuse rating

The recommended maximum rating of the external protective fuse for thisequipment is 16A, Red Spot type or equivalent, unless otherwise stated in thetechnical data section of the product documentation.

Insulation class: IEC 601010-1: 1990/A2: 1995 This equipment requires a

Class I protective (safety) earthEN 61010-1: 1993/A2: 1995 connection to ensure userClass I safety.

Installation IEC 61010-1: 1990/A2: 1995 Distribution level, fixedCategory Category III installation. Equipment in(Overvoltage): EN 61010-1: 1993/A2: 1995 this category is

Category III qualification tested at 5kVpeak, 1.2/50s, 500,

0.5J, between all supplycircuits and earth and alsobetween independentcircuits.

Environment: IEC 61010-1: 1990/A2: 1995 Compliance isPollution degree 2 demonstrated by referenceEN 61010-1: 1993/A2: 1995 to generic safety standards.Pollution degree 2

Product safety: 73/23/EEC Compliance with theEuropean CommissionLow Voltage Directive.

EN 61010-1: 1993/A2: 1995 Compliance isEN 60950: 1992/A11: 1997 demonstrated by reference

to generic safety standards.

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Section 1. INTRODUCTION

This document details the VDEW/IEC 60870-5-103 KITZ protocol converter.It describes the operation and features of the unit in sufficient detail to allow usersto interface the unit to other equipment.

The VDEW/IEC 60870-5-103 KITZ (KITZ 204) will provide an interface betweendevices supporting K-Bus Courier communications, and either a VDEW protocolor IEC 60870-5-103 protocol based master station.

The KITZ 204 therefore allows integration of K-Bus communication devices(eg. spur of K and L Range relays which support K-Bus Courier Communications)into a system with an existing VDEW master station.

The KITZ 204 also allows integration of K-Bus communication devices into asystem with an IEC 60870-5-103 master station.

A front RS232 port allows a Courier master station to gain local access to the

connected K-Bus communication devices and to the KITZ 204 itself forconfiguration purposes.

The unit performs conversion between the K-Bus Courier protocol and theVDEW/IEC 60870-5-103 protocol. The conversion performed by the unit istransparent to the equipment attached to the VDEW/IEC 60870-5-103 masterstation port.

Section 2. HANDLING AND INSTALLATION

The user should be familiar with the contents of the Safety Sectionbefore commencing with any work on this equipment.

2.1 Receipt of KITZ 204 units

Although the KITZ 204 unit is of the standard MIDOS case type construction, itrequires careful handling prior to use on site. Upon receipt, the unit should beexamined immediately, to ensure that no damage has been sustained in transit.

If damage has been sustained during transit, a claim should be made to the

transport contractor and a representative of ALSTOM T&D Protection & Controlshould be promptly notified.

2.2 Electrostatic discharge (ESD)

The KITZ 204 unit uses components that are sensitive to electrostatic discharges.The electronic circuits are well protected by the metal case and the internalcomponents should not be exposed by the removal of the assembled boards fromwithin the outer casing.

It should be noted that there are no user setting adjustments or measurements tobe carried out within the unit.

A persons normal movements can easily generate electrostatic potentials ofseveral thousand volts. Discharge of these voltages into semiconductor devices

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when handling electronic circuits can cause serious damage. Often, this is notimmediately apparent, but the units reliability will have been reduced.

When transporting the unit, care should be taken that the RS232 ports are notsubjected to ESD. Touching the case will ensure that the user is at the sameelectrostatic potential as the unit.

More information on safe working procedures for all electronic equipment can be

found in BS 5783 and IEC 147-OF. It is strongly recommended that detailedinvestigations on electronic circuitry or any modification work should be carriedout in a Special Handling Area such as described in the above-mentioned BSand IEC documents.

2.3 Unpacking

Care should be taken when unpacking and installing the unit to prevent damage.

2.4 Storage

If the KITZ 204 unit is not to be installed immediately upon receipt, it should bestored in an environment free from dust and moisture in the original carton.

Where de-humidifier bags have been included in the packing, they should beretained.

The action of the de-humidifier crystals will be impaired if the bag has beenexposed to ambient conditions and may be restored by heating the bag gentlyfor about half an hour, prior to replacing it in the carton.

Dust which collects on a carton may, on subsequent unpacking, find its way into

the unit. In damp conditions, the carton and packing may become impregnatedwith moisture and the de-humidifier will lose its efficiency.

Storage temperature: 25C to +70C.

2.5 Initial set-up - setting the communication address

The communication address of the unit will be set to 255 when it leaves thefactory. This is the global address of all K-Bus slave units on the network andrequires changing to a unique address in order to function as a slave device tothe Courier master. This is accomplished using the Courier Access Software

Package or the Protection Access Software & Toolkit via the front port. For detailsof how to change the communication address of the unit, refer to the sectionEstablishing Network Communication from either of the manuals for the above-mentioned software. Note that it will be necessary to enter the serial number ofthe unit as part of the installation process.

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Section 3. FEATURES

The main features of the VDEW/IEC 60870-5-103 KITZ are as follows:

Protocol conversion between Courier and VDEW or IEC 60870-5-103protocols

Gateway to a single spur of up to eight relays

LED indication of communication exchanges Optical Fibre/RS232/RS485 communication port

Extremely wide range auxiliary supply inputs

MIDOS style case size 4

Section 4. CONNECTION

4.1 Connection

The connection diagram for the KITZ 204 is shown in the following figure:

Figure 1: Connection diagram for KITZ 204

2 RX3 TX5 ground

RS232 rear port 2(9 way female

connector) TX 3/2RX 2/3

5

RS232 front port(9 way femaleconnector)

23

25

27

K-bus

K-busScreen

K-bus port 3

Rx

Tx

Rx

Tx

AC/DCauxiliarysupply Vx

3

5

Opticalfibre port 1

Watchdog

7

9

1

1 ground4TXRXA

5 TXRXB

RS485 rear port 2(9 way female

connector)

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The unit front panel is shown in the following figure:

Figure 2: KITZ 204 Front panel layout

The unit consists of four communications ports. Port 0 is an RS232 connectionwhich is designed for temporary access and is located on the front of the unit.

A switch is provided for crossing over the transmit and receive signals. Ports 1and 2 are for the connection of a VDEW/IEC 60870-5-103 Master station.The connection between the unit and the master station can either be 850nmmultimode optical fibre (Port 1) or isolated RS232 or RS485 (Port 2). Port 3 isfor the connection of relays and is permanently configured for K-Bus.

4.1.1 K-Bus connection

K-Bus requires a twisted pair screened cable with resistive termination on theextreme ends.

4.1.1.1 Connection method

K-Bus is a multi-drop standard. This means that a K-Bus connection can be madepoint to point or can be daisy-chained together with a number of other products.A chain of connected units is known as a spur and no branches may be madefrom the spur.

4.1.1.2 Recommended cable

Twisted pair with outer screen, to DEF STANDARD 61-12-5 16 strand, 0.2mm

diameter, 40m per metre per core, 171pF per metre (core to core), 288pF permetre (core to screen).

Metal casefixing point

Plastic screw forsecuring cover

SW1

LED

RS232

Handle

KITZ 204

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4.1.1.3 Cable termination

Termination is via three terminals on a standard MIDOS terminal block.Two terminals are for the twisted pair communications wires and the third is forthe screen. The screen connection is not internally connected to the unit in anyway, since the screen should be earthed at one point of the cable only normally at the master end. The transmission wires should be terminated using a150 resistor at both extreme ends of the cable. The MIDOS block terminalnumbers, for connection of the three K-Bus ports, are given in Table 1:

Port 3 Connection

23 K-Bus 1

25 K-Bus 2

27 Screen (N.C.)

Table 1: K-Bus Connections.

4.1.1.4 Cable polarity

Polarisation is not necessary for the twisted pair.

4.1.1.5 Maximum cable length

The maximum cable length for a spur is 1000m.

4.1.1.6 Maximum devices per spur

The maximum number of devices per KITZ 204 is 8.

4.1.2 Rear RS232 (VDEW/IEC 60870-5-103) connection


The rear RS232 port is suitable for direct point to point connection between theunit and a PC. The rear port is isolated and designed for permanent connection.No modem control signals are available.


A standard PC serial port interface cable should be used. It is essential that thecable screen be earthed at one end to ensure adequate screening.The connectors should be screw locked at each end. Reference should also bemade to the PC user manual for the exact connection requirements.

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4.1.2.3 Termination

The pinout of the rear port 9-way female D connector is as shown in Table 2.It is configured as Data Terminal Equipment (DTE).

Pin number Function Direction

SHELL Protective ground

2 Received data RxD In

3 Transmitted data TxD Out

5 Signal ground GND

Table 2: Connection for the Rear RS232 Serial Connector

The connection is:

KITZ 204 DTE PC DTE

9 25 9

3 TXD ________ RXD 3 2

2 RXD ________ TXD 2 3

5 SG ________ SG 7 5

The earthing arrangement of the RS232 connection is for the protective ground tobe connected to 0V via the case. This arrangement provides maximum screening

of the RS232 signals.The signal ground of RS232 connection is not connected to the 0V of the unit.This ensures that no earth loop currents can flow between the KITZ 204 andother connected equipments.

4.1.2.4 Cable length

The maximum cable length according to the RS232 specification is 15m, or2500pF total cable capacitance .

4.1.3 Rear RS485 (VDEW/IEC 60870-5-103) connection4.1.3.1 Connection method

The rear RS485 port is suitable for direct point to point or multidrop connectionbetween the master and a (number of) unit(s). The rear port is isolated anddesigned for permanent connection.


The RS485 specification does not define connector type or pinout, so a cable

suitable for connection between the KITZ 204 connector, which is specified insection 4.1.3.3 below, and that provided by the RS485 master will be needed.

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4.1.3.3 Termination

The pinout of the rear port 9-way female D connector is as shown in Table 3.



1 Signal ground GND

4 Data signal TXRXA In/Out

5 Data signal TXRXB In/Out

Table 3: Connection for the Rear RS485 Serial Connector

The screen of the RS485 cable should be earthed at one point of the cable only.When earthing at the KITZ 204, the screen should be connected to the Dconnector shell which forms the protective ground and is connected to 0V via the

case.The data signal lines, TXRXA and TXRXB should be terminated at both extremeends of the cable with resistors. The value of each resistor must be close to thecharacteristic impedance of the cable, which is typically 100 120.

The signal groundof RS485 connection is not connected to the 0V of the unit.This ensures that no earth loop currents can flow between the KITZ 204 andother connected equipments.


The maximum cable length according to the RS485 specification is 1000m.

4.1.4 Rear optical fibre (VDEW/IEC 60870-5-103) connection


The rear optical fibre port is suitable for direct point to point connection betweenthe unit and a remote optical transmitter and receiver. The port consists of oneTransmit fibre connection and one Receive fibre connection.

4.1.4.2 Recommended fibre

The optical fibre used should be 850nm multimode glass fibre (50/125m and62.5/125m are suitable).

4.1.4.3 Termination

The BFOC/2.5 (also commonly known as ST) connector type is used, inaccordance with the VDEW/IEC 60870-5-103 specifications.

4.1.4.4 Fibre length

The transmitter and receiver capabilities allow a distance of 1 km of fibrebetween the KITZ 204 and the master connection.

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4.1.5 Front RS232 (Courier) connection


The front port is designed only to be used for temporary connection and nomodem control signals are available.


A standard PC serial port interface cable should be used. It is essential that thecable screen be earthed at one end to ensure adequate screening.The connectors should be screw locked at each end. Reference should also bemade to the PC user manual for the exact connection requirements.

4.1.5.3 Termination

The pin out of the front port on the unit can be configured either as a DataTerminal Equipment (DTE) or a Data Circuit Terminating Equipment (DCE),using a crossover switch (SW1) on the front panel, the connections are listed in

Table 4.



2/3 Received data RxD In

3/2 Transmitted data TxD Out

5 Signal ground GND

Table 4: Connection for the Front RS232 Serial Connector

The earthing arrangement of the RS232 connection is for the protective groundtobe connected to 0V via the case. This arrangement provides maximum screeningof the RS232 signals.

The signal groundis connected to 0V of the unit.


The maximum cable length according to the RS232 specification is 15m, or2500pF total cable capacitance.

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Section 5. ALARMS AND INDICATIONS

5.1 Communication indications operation

The operation Indication of each communication port transmitter and receiver islisted in the following table :

Indication Function

LED nameP0 Rx Front communication port is receiving data

P0 Tx Front communication port is transmitting data

P1 Rx Communication Port 1 is receiving data

P1 Tx Communication Port 1 is transmitting data





Table 5: KITZ 204 Communication LED Functions.

5.2 Unit healthy LED

The unit healthy LED (when on) is used to indicate the following :

The auxiliary supply is present

The unit software has been initiated.The settings are valid.

The unit has a non default serial number.

5.3 Unit alarm LED

The alarm indication will reflect the alarm status (SYS Alarms) of the unit.These are:

Invalid settings.

Default settings loaded on initialisation, ie. the unit has the default serial number.The alarm indication will also flash to indicate that a valid password has beenentered via the System Data menu column.

5.4 Alarm records

The alarm flags (in the SYS Alarms menu cell) indicate the set/reset state of thealarm.

Flag 0 indicates that the settings are invalid.

Flag 1 indicates that the default serial number is being used.An alarm condition will result in the Alarm indication being lit, the alarm bit willbe set in the returned Courier status byte and the corresponding flag will be setin the SYS Alarms menu column.

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5.5 Testing LED indication operation

Options are provided in the Courier database to allow the indications to beilluminated on power-up or via setting a menu cell. The duration for which theindications remain illuminated is controlled by the IND Illum Time setting in theCourier database.

See section 10.7 Courier database settings, the INDICATIONS menu column

for setting information details.5.6 Watchdog contact operation

The watchdog relay contact (when open) indicates that the unit is healthy, asdefined in section 5.2.

5.7 KITZ 204 events

The KITZ 204 can generate the following time tagged events:

Invalid Settings in the non volatile memory

KITZ 204 password entered via Port 0 KITZ 204 setting changed via Port 0

A total of 20 Courier events can be stored in the KITZ 204 internal buffers. If theevent buffer becomes full, the oldest event record will be overwritten by the nextevent. The events are time tagged using the real time clock and will have theform:

Year (2 digit), Month, Day, Hour, Minute, Second, Millisecond.

Section 6. OPERATION

6.1 Introduction

VDEW is a communications interface recommendation of representatives ofGerman utilities,which provides the ability to read the status, specificmeasurement values, specific event messages and disturbance records ofprotective relays.

IEC 60870-5-103 is an international standard based on the VDEW specification.Any product developed to the IEC 60870-5-103 standard is compatible with theVDEW standard, whilst providing additional benefits. The KITZ 204 provides theinterface between Courier devices and either existing VDEW substation controlsystems or IEC 60870-5-103 substation control systems.

The KITZ 204 will allow simultaneous communications to be performed bothbetween the VDEW/IEC 60870-5-103 master and the connected K-Buscommunication devices and between the local Courier master and the connected

K-Bus communication devices.6.2 Application notes

The following figure illustrates the application of the KITZ 204 to integrate K andL Range protection devices into a system with an existing VDEW master station.

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Here up to eight K or L Range relays can be interconnected on K-Bus, whichterminates at port 3 of the KITZ 204. The KITZ 204 unit is then connected to theexisting VDEW master station via either the optical fibre, the RS232 or theRS485 master port.

The VDEW master station communicates with other VDEW and IEC 60870-5-103 protocol-compatible devices at the same time as with the K and L Rangerelays. Other VDEW/IEC 60870-5-103 protocol-compatible devices may includedisturbance recorders and relays already existing in the substation.

6.3 Courier addressing

6.3.1 Downstream unit courier addressing

The unit can communicate with up to 8 consecutive Courier addresses starting ata user specified Courier base address. The base address is specified by thesetting AR Base Address and is used to define the lowest Courier address thatwill be accepted as valid. Communication with addresses 0 and the globaladdress (255) are allowed at all times.

Master request messages with addresses that are not in the specified range willbe ignored by the KITZ 204 and will not be sent to the connected downstreamunits via Port 3.

The maximum number of consecutive Courier addresses (starting at the BaseAddress) with which the KITZ 204 can communicate is specified by the settingAR No. of Units. This setting can be used as a filter to improve efficiency ifonly a limited number of units with sequential addresses are required.Under normal circumstances, the connected master should not requestinformation from non existent addresses via the KITZ 204, but will send Reset

Remote Link to each configured address each cycle.

The addresses of all the attached downstream units must not be altered oncecommunications are established. If a downstream unit is removed at any time,check that its status (in the AR DevxStatus menu cell) changes to Logged off

Glass fibre optic

K-Bus

Relay 3Relay 2Relay 1

VDEWmaster

VDEWslave

IEC870-5-103slave

Local PC

(Rear)

(Rear)

(Front)

Downstream K-Bus Courier (relay) units

(Rear)

RS232

P2

P1

P0

P3

KITZ 204

RS485/RS232

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before adding a new relay (of any type) with the same address. The time takento become logged off depends on the number of retries set for Port 3 (section6.6.4).

The KITZ 204 address operates independently of these settings.

6.3.2 KITZ 204 Courier addressing

The KITZ 204 unit address is set to 255 (the global address) as a default

condition. In order to allow initial entry to the unit settings, the Courier commandCHANGE DEVICE ADDRESS should be used to give the unit an initial address(section 2.5). It can be set to any address (0 to 254).

If the address byte of the message received from the Courier master via Port 0matches the KITZ 204 address (in the SYS Unit Address menu cell), the entiremessage is assumed to be for the KITZ 204. If the address does not match and iswithin the valid address range, the message is passed on to the connecteddownstream units. The KITZ 204 unit address should be different to any

connected downstream units, otherwise the downstream unit with the sameaddress as the KITZ 204 will not be accessible by the Courier master.

Global messages received by the KITZ unit will be passed on to the downstreamunits, and will also be processed by the KITZ itself.

6.4 VDEW/IEC 60870-5-103 addressing

6.4.1 Downstream unit VDEW/IEC 60870-5-103 addressing

There are two modes by which the VDEW/IEC 60870-5-103 addresses for the

downstream units can be allocated. The mode is set to either Direct or Indirect inthe KITZ 204 in the AR Addr Mapping menu cell.

If Direct mode is selected, then the VDEW/IEC 60870-5-103 address of eachdownstream unit is set the same as its Courier address.

If Indirect mode is selected, then the VDEW/IEC 60870-5-103 address for eachdownstream unit is set individually. When Indirect mode is selected, a menu cell(AR DevxVDEW Addr) for each of the 8 downstream units becomes visible, inwhich to allocate its VDEW/IEC 60870-5-103 address. The VDEW/IEC 60870-5-103 addresses do not have to be consecutive, and the VDEW address for eachof the downstream units is settable in the range 0 to 254.

6.4.2 KITZ 204 VDEW/IEC 60870-5-103 Addressing

The KITZ 204 unit is transparent to the VDEW/IEC 60870-5-103 master. It is nota slave device to the VDEW/IEC 60870-5-103 master station, and so it does nothave a VDEW/IEC 60870-5-103 address.

6.5 VDEW/IEC 60870-5-103 mode

There are four modes of operation for the KITZ 204 unit. These are as follows:

VDEW mode. The unit conforms to the VDEW specification.

IEC1 mode. As for VDEW mode but with the additional generic commandsupport.

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IEC2 mode. As for IEC1 mode but with additional event record support.Every Courier event will be converted to an IEC format generic eventmessage. Where fixed messages are produced, the generic event will beproduced in addition to the fixed information. This will result in duplication ofsome data.

IEC3 mode. No VDEW event messages will be produced. Only generic eventmessages will be transmitted.

The mode is selected in the UNS IEC mode menu cell. The generic commandsof IEC 60870-5-103 can be used in any of the IEC modes.

Event message handling is explained further in section 6.9.3.

6.6 Communication port priority

The priority of the ports is fixed. Port 3 (K-Bus) having the highest priority andPort 0 (front port) the lowest. The VDEW ports will have equal priority as onlyone will be active at any time. To change the active VDEW port the settings will

have to be changed. Settings for an inactive port will be hidden from the user.Under normal operating conditions the unit is continuously polling any attacheddownstream units for events and automatically extracting events and storing theminternally for extraction by the VDEW master. Normally the operation as aCourier master and VDEW slave are independent. In certain circumstances aVDEW request will generate a direct Courier request and under these conditionsthe request is slotted into the polling cycle. The VDEW direct requests have ahigher priority than the Courier direct requests. Therefore, all VDEW directrequests will be completed before the local request is processed.

Direct slave messages received on port 1/2 will be processed in chronologicalorder, followed by the port 0 messages (in chronological order) etc. If a messageis received on port 1/2 while a port 0 message is being processed, the currentmessage processing will be completed and the port 1/2 message awaitingprocessing will then be processed.

It should be noted that the above situation only arises when both masters arerequesting data direct from the relay. Under normal conditions VDEW responsescan be provided direct from the KITZ memory. Port 0 messages will only normallybe used to commission a relay and as such the incidence of simultaneous Port 0and Port 1/2 messages is low.

KITZ alarms and events (detailed in sections 5.4 and 5.7) will be extracted viaPort 0 as they cannot be extracted by a VDEW/IEC 60870-5-103 master.

6.7 Communication between KITZ 204 and downstream units (Port 3)

6.7.1 Initialisation

On initialisation, the KITZ 204 will send a Reset Remote Link command to each

Courier address in the range AR Base Address to AR Base Address+AR No.of Units1. The downstream unit will either respond with a valid acknowledgeor not respond at all. If the addressed downstream unit responds with a validacknowledge, the address will be added to the KITZ 204 (internal) poll list, thus

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enabling data extraction. If the addressed downstream unit does not respond,Reset Remote Link will be sent to that address every poll cycle until thatdownstream unit does respond.

After the first valid reply (busy or non-busy) to a downstream unit request isreceived by the KITZ 204, the unit address is added to the internal poll list withinthe KITZ 204, which then requests the SYS Model Number menu cell from thataddress. From the returned model number reference, the KITZ 204 determineswhich type of ALSTOM T&D Protection & Control Ltd relay is at that address.This is then referenced in the KITZ 204 Courier database in the appropriateAR DevxStatus menu cell, where n has values 1 to 8, corresponding to theconsequetive Courier addresses of the downstream units, ie. AR Base Addressto AR Base Address+AR No. of Units1 respectively.

The following relay models are recognised by the KITZ 204:

KCGG 110, 120, 130, 140, 210, 230, 240

KCGU 110, 140, 240

KCEG 110, 130, 140, 150, 160, 210, 230, 240, 250

KCEU 110, 140, 150, 160, 240, 250

KCGG 122, 142

KCEG 112, 142, 152, 242

KMPC

KVTR

KAVRKAVS

LGPG

LFZP (via KITZ 103)

LFZR

KBCH

Any Courier-compatible device which cannot be identified as one of the above

models will be designated as UNKNOWN by the KITZ 204 and will onlysupport the generic services of IEC 60870-5-103.

6.7.2 Normal polling

Downstream unit addresses are polled cyclically, from the lowest address to thehighest.

When request messages are not being received on master port 0 or 1/2, theKITZ 204 will poll all downstream unit addresses in the poll list with a messagecontaining the Poll Status command. The current status of each downstream unit

address (in the poll list) is buffered and can be extracted by a Port 0 or 1/2master.

If the event flag is set in the status byte of a downstream unit, the KITZ 204 willautomatically extract all event messages. How they are handled then depends on

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the VDEW/IEC 60870-5-103 mode selected. This then determines what isavailable for extraction by a Port 1/2 master.

If the disturbance record flag is set in the status byte of a downstream unit, theKITZ 204 will automatically extract only enough header information from thedisturbance record to determine its timestamp and what channels are available.This header information is then used by the KITZ 204 to create a VDEW fixedmessage which is stored in internal memory. If more than one disturbance recordexists at a downstream unit, only the first is accessed by the KITZ 204, and so anevent message relating to the first disturbance record only is created.

If the Alarm bit of the Courier status byte is set, a VDEW Group Alarm fixedmessage is created for that relay.

The KITZ 204 periodically polls specific measurement data from the downstreamunits and stores this in its internal memory, ready for extraction by a Port 1/2master which is polling for VDEW/IEC 60870-5-103 Class 2 data. The intervalat which the KITZ 204 polls the measurement data is set on a per relay basis.

These intervals are set in the range 0 to 15 minutes in the KITZ 204 DevxTimer menu cells. The interval is set to 0 minutes to disable polling of data.

The data extracted from the relay is that required to provide as manymeasurements in the VDEW/IEC 60870-5-103 measurands messages aspossible for that relay type. The measurands available for each relay type areindicated in the VDEW Message Implementation Tables documentation.

For compatability with VDEW, the measurands are referenced to a rated valueof voltage, current, power, VAr and frequency. These rated values must be

entered into the KITZ 204 Courier database on a per relay basis, in theMEASUREMENTS column of the Courier database.

The maximum value of each of the above measurements can be selected to beeither 1.2 x Rated Value or 2.4 x Rated Value on a per relay basis, in theDevx Value menu cell. This conforms to the VDEW specification for protectivedevices.

6.7.3 Busy replies from downstream units

If the reply from the downstream unit is busy, polling moves to the next addressin the poll list, to which Poll Status will be issued. The Poll Status request forthe pending downstream unit address is replaced by a Poll Buffer request inthe next poll cycle.

Poll Buffer is used to determine if the KITZ 204 has obtained the requested datafrom the addressed downstream unit. All non busy message replies to masterrequests will contain the latest Courier status byte information (this information isextracted automatically via the KITZ 204 internal polling).

If a downstream unit sends more than a user specified number of busy replies

(P3 Busies) to the KITZ 204, the KITZ will assume communication with thedownstream unit has failed and send Reset Remote Link to that address everypoll cycle until that downstream unit does respond.

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When the downstrean unit does respond to a Reset Remote Link from theKITZ 204, normal polling is resumed. No data will be transmitted to the Couriermaster port however until the KITZ 204 receives a Reset Remote Link via Port 0,and no data will be transmitted to the VDEW/IEC 60870-5-103 master port untilthe KITZ 204 receives a Reset CU or Reset FCB on Port 1/2.

The polling of downstream unit addresses via the internal poll list allowsPoll Buffer/Poll Status requests to be interleaved to all allowable addresses.This ensures that the average time for a non busy reply for all addresses isminimal and that the status for all addresses is updated as quickly as possible.

6.7.4 Retries to downstream units

After a request message has been transmitted to a downstream unit address, theKITZ 204 will then wait for a response. If no response is received within a userspecified time-out period (P3 Reply Timer), a user specified number of retries(P3 Retries) will be performed. If this fails to generate a response, thedownstream unit status (in the AR Devx Status menu cell) will be shown asLogged off and the KITZ 204 will send Reset Remote Link to that addressevery poll cycle until that downstream unit does respond.

When the downstrean unit does respond to a Reset Remote Link from theKITZ 204, normal polling is resumed. No data will be transmitted to the Couriermaster port however until the KITZ 204 receives a Reset Remote Link via Port 0,and no data will be transmitted to the VDEW/IEC 60870-5-103 master port untilthe KITZ 204 receives a Reset CU or Reset FCB on Port 1/2.

6.7.5 Global requests

Global requests consist of two consecutive identical messages from a Couriermaster, or one message from a VDEW/IEC 60870-5-103 master. No replymessages are generated in response to global requests.

Once a valid global message (pair) has been received, these will be sent to thedownstream units and KITZ 204 menu when all other pending requests havebeen completed. The KITZ 204 will respond with a busy reply to any othermaster non global requests (except the Reset Remote Link command) while aglobal message is being processed. Reset Remote Link commands received

while a global message is being processed will return a valid response if therequest address was present before the global command was received (ie. thedownstream unit address was contained in the KITZ 204 poll list), if not, aresponse will not be returned.

Global requests received at the KITZ 204 while any relay is busy will be sent onto the relays as soon as all relays are non-busy. In order to improvecommunications reliability and security, the KITZ 204 will transmit two globalmessages to the downstream units if the message is a Set Real Time command

request, otherwise, three global messages will be transmitted. The time delayperiod between the consecutive global transmissions on Port 3 is specified by thesetting P3 Gtrans Timer menu cell.

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Valid global request messages received by the KITZ 204 will be re-transmitted onPort 3 even if no downstream units are connected to Port 3.

6.8 Courier master communications (Port 0)

6.8.1 Request message processing

If no messages are being processed by the KITZ 204 (no buffered masterrequests or pending downstream unit replies), the first complete error freemessage received on Port 0 will either be processed by the KITZ 204 or passeddirectly to a downstream unit depending on its address.

6.8.2 Poll status and poll buffer

Master requests containing Poll Status or Poll Buffer are not passed through theKITZ 204 to the downstream units. The reply is generated by the KITZ 204 fromits internal memory.

No reply will be returned to a message containing Poll Status or Poll Buffer

command which is sent to an address that is not present within the KITZ 204 polllist.

6.8.3 Block transfer from a Courier address

The KITZ 204 will only know of the existence of a Courier Blocked replymessage when the downstream unit returns the block header. Once a blocktransfer has been initiated between the Courier master and one downstream unit,no further requests will be sent to the same downstream unit (a busy reply will bereturned) until the block transfer is completed or terminated.

The block message transfer procedure will be terminated when the correspondingblock footer is received from the downstream unit (or a comms failure occurs).

In order to prevent one master station locking out access to a relay address fromthe other master station for excessive periods, a user specified block messagetime-out (P0 Block Timer, P1 Block Timer or P2 Block Timer) is used to terminatethe block transfer procedure for the appropriate address.

6.8.4 KITZ 204 setting changes

The settings of the KITZ 204 unit can only be changed from a Courier master.

When the system password of a connected downstream address is correctlyentered, the password timer UNS Passwd Timer is enabled. If a setting changeis in progress and the password timer expires before the associated setting timer(P0 Set Timer, P1 Set Timer or P2 Set Timer) expires, the setting will beaborted. This can be prevented by setting the password timer to a value greaterthan or equal to the highest setting timer value.

6.9 VDEW/IEC 60870-5-103 master communications (Port 1 or 2)

6.9.1 Principle of protocol conversionThe mapping of data from the relay Courier database to the data available viaVDEW depends on the relay type. VDEW defines differing data, which wouldnormally be held in a relay itself, from that used in ALSTOM T&D Protection &

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Control Ltd K and L Range relays. Hence some data held by the different types ofK and L Range relays cannot be accessed by a VDEW master, and similarlysome data defined in VDEW cannot be mapped to anything in the relay Courierdatabase.

The ALSTOM T&D Protection & Control Ltd relay types recognised by theKITZ 204 are detailed in section 6.7.1. The exact mapping of data between therelay Courier database and VDEW messages is detailed for the different relaytypes in the VDEW Message Implementation Tables documentation.

The generic message functions of IEC 60870-5-103 allow full access to databaselocations of the relays as defined by the IEC 60870-5-103 specification.The Generic Commands from the IEC 60870-5-103 master which the KITZ 204recognises are numbers 240, 241, 243, 244, 248, 249, 250, 251 (refer toReference 3).

6.9.2 Request message processing

If no messages are being processed by the KITZ 204 (no buffered masterrequests or pending downstream unit replies), the first complete error freemessage received on Port 1/2 will be processed by the KITZ 204. The KITZ 204will normally respond with the data from internal memory.

Direct master to downstream unit commands comprise General Commands aslisted in the VDEW Message Implementation Tables documentation and all IEC60870-5-103 Generic Commands. These will interrupt normal polling.

6.9.3 VDEW/IEC 60870-5-103 events

Events available for extraction by a VDEW/IEC 60870-5-103 (Port 1/2) master,using Class 1 event retrieval, depend on the KITZ 204 VDEW/IEC 60870-5-103 Mode setting, detailed in section 6.5.

The KITZ 204 automatically extracts Courier event messages from downstreamunits. The event message is then processed by the KITZ 204 which createsVDEW and/or IEC 60870-5-103 generic messages according to its Modesetting.

In VDEW mode, only VDEW fixed messages will be created by the KITZ 204.

A Courier event message from the relay is converted to the corresponding VDEWfixed message, where such a fixed message exists.

In IEC1 mode, only VDEW fixed messages will be created by the KITZ 204, asfor VDEW mode.

In IEC2 mode, VDEW fixed messages will be created. Also, every Courier eventwill be converted to an IEC 60870-5-103 generic event message. This results intwo different event messages, but providing the same information, being createdwherever the Courier event causes a VDEW fixed message.

In IEC3 mode, no VDEW fixed messages will be created. A generic eventmessage only will be created for each Courier event.

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6.9.4 VDEW/IEC 60870-5-103 disturbance records

If the disturbance record flag is set in the status byte of a downstream unit, theKITZ 204 will automatically extract some header information from thedisturbance record, which is then used to create a VDEW fixed event message.If more than one disturbance record exists at a downstream unit, only the first isaccessed by the KITZ 204, and so an event message relating to the firstdisturbance record only is created.

When a VDEW/IEC 60870-5-103 (Port 1/2) master extracts the fixed messagerelating to a disturbance record, it may then extract the disturbance record itselffrom the downstream unit. The KITZ 204 will perform the block message transferof disturbance record data from the downstream unit and convert this to VDEW/IEC 60870-5-103 format.

If a disturbance record has not yet been extracted, the disturbance record flag isset in the status byte returned to any Courier (Port 0) master. If a disturbancerecord is required to be extracted by the Courier master, this is performed in the

usual manner by accessing the downstream unit directly.

When the disturbance record has been fully extracted it is deleted from the relay.The KITZ 204 will then extract the header information for the next disturbancerecord available at that address and create a new fixed message, if thedisturbance record flag is still set in the status byte.

6.10 Real time clock (RTC) time and date

6.10.1 Real time clock setting

The current RTC time and date can be set from either the Courier or VDEW/IEC60870-5-103 master communication port (Port 0 or Port 1/2 respectively).In accordance with the VDEW standard, there is no external time synchronisation(eg. IRIG-B) input.

On receipt of a time synchronisation command from a master port, the KITZ 204reacts as follows.

If the time synchronisation command is a global command, the KITZ 204 internalRTC is updated, and the Courier Set Real Time command is transmitted twice on

Port 3 to the global address. Any downstream units with a RTC have their RTCupdated. An VDEW fixed message is created for every relay currently incommunication to record the time synchronisation.

If the time synchronisation command is sent to a specific address, and thataddress is a downstream unit with a RTC, the Courier Set Real Time commandis transmitted on Port 3. The downstream unit with a RTC has its RTC updated.An VDEW fixed message is created for that relay to record the timesynchronisation.

If the time synchronisation command is sent to a specific address, and thataddress is a downstream unit without a RTC, the KITZ 204 internal RTC isupdated. An VDEW fixed message is created for each relay currently incommunication and not having a RTC, to record the time synchronisation.

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All time-tagging of messages by the KITZ 204 uses the IEC Format.The IEC format does not contain the current hundreds of years setting.

6.10.2 Time tagging of master reply messages

The KITZ Unit will insert an IEC 60870 time tag into a VDEW/IEC 60870-5-103fixed message.

Section 7. USER INTERFACE (TO COURIER MASTER)

7.1 Introduction

The KITZ 204 Courier interface is accessed via Port 0 by a PC installed withCourier based access software. This software polls all addresses connected to itssystem and allows the user to retrieve information from each address byextracting the contents of its database. It also allows authorised users to makesetting changes to the relay.

ALSTOM T&D Protection & Control Ltd can supply Courier access software foruse on a standard IBM compatible PC.

This section of the manual describes the use of the KITZ 204 menu to setup therelay. It does not describe the Courier commands that are used to implement this,for more information on the Courier language the Courier User Guide, documentR6512 should be referred to.

7.2 KITZ 204 Courier database

A reference to the structure of the Courier Database is given in section 10.10.The System Data column of the database is standard to all Courier devices andcontains important information that is used to identify the unit to the accesssoftware. The remainder of the data base contains settings and data and can bebrowsed and modified by the user.

7.3 Courier passwords

The Courier interface utilises the password to prevent unauthorised access tosome KITZ 204 settings. To be able to modify the KITZ 204 settings the user must

correctly enter a four character Courier password. The KITZ 204 settings arevisible but not settable if the password has not been set.

To set the password first select the SYSTEM DATA column using the AccessSoftware, the second item within the column is the KITZ 204 password.The correct value of this cell is not visible and is instead represented as ****.The password protection is unlocked by setting this cell to the correct value usingthe access software.

To change the password using the remote software the password unlock must first

be removed using the method described above. Changing the setting of thepassword cell again allows a new password to be set. The password unlock canbe removed by resetting the password cell. If no setting changes are made to thedatabase for a set period of time the password unlock will self reset. This time

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period is specified by the UNS Passwd Timer setting (in the UNIT SETTINGSmenu column).

If this password is lost and access is required please contact your local ALSTOMrepresentative.

7.4 Extended password protection

The Extended PWP setting in the UNIT SETTINGS menu column is used to

apply password protection to all communication settings within the unit. This canbe used in conjunction with the remote access password protection to prevent theKITZ Unit and downstream unit(s) settings from being changed remotely byunauthorised users.

7.5 Data cells

There are cells within the database which cannot be set, these contain the unithardware and software configuration and stored information to be viewed.Some of these cells, such as those that relate to the unit configuration, will always

contain the same data. Others, such as those used for accessing stored records,can be controlled using a settable cell to index the record being examined.There are other cells containing the current date and time and measurementvalues that are continually updated by the relay.

7.6 Event extraction

The KITZ 204 supports the standard mechanism for event extraction. KITZ 204events can only be extracted by a Courier master via Port 0. The events may bedisplayed on the PC and stored to a file.

7.7 Invalid settings

The invalid settings alarm (SYS Alarms - Flag 0) indicates that the settings for theKITZ 204 are invalid. This alarm will be raised when the unit detects that thecurrent settings contained in the units memory are invalid.

Clearing the alarm will not copy the default settings to the non-volatile area.The default settings will only be loaded if the non-volatile settings are corruptedand the unit is re-energised. After the default settings have been loaded, SYS

Alarms - Flag 1 will be set to indicate that the default serial number is beingused. The default serial number cannot be changed by the user and arepresentative of ALSTOM T&D Protection & Control Ltd should be contacted.The unit will still be operational.

If new user settings have been entered to the unit, these will be stored within non-volatile memory and used by the KITZ 204 unit. When the unit is powered-upwith valid non-volatile settings, the invalid settings alarm will not be issued.

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Section 8. TECHNICAL DATA

8.1 Ratings auxiliary supply

Range Nominal (V) Operative range (V)

Low voltage (LV) 24/125V DC 19 150V DC

110V AC 50/60Hz 50 133V ACHigh voltage (HV) 48/250V DC 33 300V DC

110/230V AC 50/60Hz 87 265V AC

8.2 Burden auxiliary supply

AC < 7VA

DC < 6W

8.3 Real time clock

RTC drift from setting at 20C < 1 second per 24 hours

Synchronisation error Time setting error 1.0ms*

Time tagging error Current time error +0ms/10.0ms

* Where time setting error is the accuracy of the external clock input data.

8.4 Watchdog contact

Watchdog relay 1 make (open when healthy)

Make 10A and carry for 0.2sCarry 5A continuous

Break DC 30W resistive15W inductive(L/R=0.04s)

Rated load DC 5A at 30V

AC 5A at 250V

8.5 Operation indicationsTen light emitting diodes.

8.6 Communication ports

8.6.1 Courier (RS232) Port 0

Language Courier

Transmission Asynchronous RS232 voltage levels

Transmission coding NRZ

Frame formatAsynchronous 11 bits 1 start, 8 data, 1parity (even), 1 stop bits

Data rate 19200 bits per second

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Cable type RS232 serial interface lead

Cable Length 15m max. or 2500pF cable capacitance

Loading 2 units (point to point system)

Isolation Earthed SELV circuit

8.6.2 VDEW/IEC 60870-5-103 (fibre optic) Port 1

Language VDEW/IEC 60870-5-103 (default VDEW)

Transmission Asynchronous fibre optic

Transmission coding ON/OFF signalling

Idle mode Light on/light off (selectable)

Wavelength (820 -870)nm

Frame formatAsynchronous 11 bits 1 start, 8 data, 1parity (even), 1 stop bits

Data rate 1200 to 115,200 bits per second

Cable type Glass fibre multi-mode

Cable length 1000m max.


Connection BFOC/2.5 or IEC 60870-5-103(ST connector)

8.6.3 VDEW/IEC 60870-5-103 (RS232) Port 2


Transmission Asynchronous RS232 voltage levelsTransmission coding NRZ

Frame formatAsynchronous 11 bits 1 start, 8 data, 1 parity (even), 1 stop bits



Cable length 15m max. or 2500pF cable capacitance(up to 19,200 bits per second)


Isolation SELV

Connection 9-way female D connector

8.6.4 VDEW/IEC 60870-5-103 (RS485) Port 2


Transmission Asynchronous RS485 voltage levels

Transmission coding NRZFrame Format

Asynchronous 11 bits 1 start, 8 data, 1 parity (even), 1 stop bits


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Cable length 1000m max.

Loading Multidrop system

Isolation SELV

Connection 9-way female D connector

8.6.5 K-Bus Port 3

Language Courier

Transmission Synchronous RS485 voltage levels

Transmission coding Biphase space (differential Manchester)

Frame format HDLC

Language Courier

Data rate 64K bits per second

Cable type Screened twisted pair

Cable length 1000m (maximum)

Loading 8 units (multi-drop system)

Isolation 2kV RMS for one minute

Voltage levels based onRS485 differentialvoltage level

Unloaded driver differential output 5V

Receiver input sensitivity 200mV

RS485driver/receiver pair

RxD

Tx/Rx

TxD

1:1 isolatingtransformer

Interference suppressorzener diodes

Transientsuppressor

Ground

7V5 7V5

15V

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8.6.6 High voltage withstand

Dielectric withstandIEC 60255-5: 1977 2kV rms for 1 minute between case earth

and the following independent circuits: theauxiliary supply, K-Bus port and relaycontacts, with the terminations of eachcircuit wired together.

2kV rms for 1 minute between any of thefollowing independent circuits: the auxiliarysupply, K-Bus port and relay contacts, withthe terminations of each circuit wiredtogether.

2kV rms for 1 minute between any of thefollowing independent circuits: rear RS232SELV port, RS485 SELV port, K-Bus port

and relay contacts, with the terminations ofeach circuit wired together.

1kV rms for 1 minute between the auxiliarysupply and the following independentcircuits: rear RS232 SELV port, RS485SELV port, with the terminations of eachcircuit wired together.

1kV rms for 1 minute between case earth

and the following independent circuits: rearRS232 SELV port, RS485 SELV port, withthe terminations of each circuit wiredtogether.

High voltage impulseIEC 60255-5: 1977 Three positive and three negative impulses

of 5kV peak, 1.2/50s, 0.5J betweenterminals of the same circuit (except relaycontacts, RS232 and RS485 ports),between independent circuits (exceptRS232 and RS485 ports), and between allterminals connected together and caseearth (except RS232 and RS485 ports).

Three positive and three negative impulsesof 1kV peak, 1.2/50s, 0.5J appliedbetween the auxiliary supply and rearRS232 and RS485 ports, and between

rear RS232 and RS485 ports wiredtogether and case earth.

Insulation resistanceIEC 60255-5: 1977 >100M

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8.6.7 Electrical environment

DC supply interruptionsIEC 60255-11: 1979 The unit will withstand a 10ms interruption

in the auxiliary supply, under normaloperating conditions, withoutde-energising.

AC ripple on DC supplyIEC 60255-11:1979 The unit will withstand 12% ripple on the

DC supply.

AC supply voltage dipsand interruptionsEN 61000-4-11:1994 The unit will withstand voltage dips of

100%, 60%, and 30%, in the auxiliarypower supply for a duration of 10ms,under normal operating conditions, without

de-energising.The unit will withstand a 10ms interruptionin the auxiliary power supply, undernormal operating conditions, withoutde-energising.

High frequency disturbanceIEC 60255-22-1: 1988 Class III 2.5kV peak between auxiliary supply,

watchdog contacts, K-Bus ports, port and

case earth.2.5kV peak between the cable screen ofthe rear RS232, RS485, K-Bus ports andcase earth.

2.5kV peak between auxiliary supply andthe watchdog contacts.

1.0kV peak across the supply terminals.

Surge immunity

EN 61000-4-5:1995Level IV and level III 4kV peak, 1.2/50s applied between the

auxiliary supply, K-Bus port, RS485 portand case earth.

2kV peak, 1.2/50s applied between theterminals of the auxiliary supply.

2kV peak, 1.2/50s applied between theRS232 port and case earth.

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Fast transient disturbanceIEC 60255-22-4: 1992 Class IV 4kV, 2.5kHz applied directly between the

auxiliary supply, watchdog relay contactsand case earth.

4kV, 2.5kHz applied via a capacitiveclamp to the rear RS232, RS485 and K-Busports.

Electrostatic dischargeEN 61000-4-2: 1995 Level 3 8kV discharge in air with cover in place

and cover removed.

6kV point contact discharge with cover inplace and cover removed.

EMC compliance89/336/EEC Compliance with the European Commission

Directive on EMC is claimed via the

Technical Construction File route.EN 50081-2: 1994 Generic Standards were used to establishEN 50082-2: 1995 conformity.

8.6.8 Product safety

73/23/EEC Compliance with European CommissionLow Voltage Directive.

EN61010-1: 1993/A2: 1995 Compliance is demonstrated by referenceEN60950: 1992/A11: 1997 to generic safety standards.

8.6.9 Atmospheric environment

TemperatureIEC 60255-6: 1998 Storage and transit 25C to +70C

Operating 25C to +55CIEC 60068-2-1: 1990/A2: 1994 ColdIEC 60068-2-2: 1974/A2: 1994 Dry heat

HumidityIEC 60068-2-3: 1969 56 days at 93% RH and +40C

Enclosure protectionIEC 60529: 1989 IP50 (dust protected)

8.6.10 Mechanical environment

VibrationIEC 60255-21-1: 1988 Response Class 2

Endurance Class 2

Shock and bumpIEC 60255-21-2: 1988 Shock response Class 2

Shock withstand Class 1Bump Class 1

SeismicIEC 60255-21-3: 1993 Class 2

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8.7 User tests

To avoid possible degradation of insulation by repeated type testing, it isrecommended that insulation tests, if required, are performed at 500V dc. Theinsulation resistance should be greater than 100.

Section 9. COMMISSIONING, PROBLEM SOLVING

and MAINTENANCE.

9.1 General

The user should be familiar with the contents of the Safety Sectionbefore commencing with any work on this equipment.

9.2 Commissioning instructions

9.2.1 Commissioning preliminaries

The KITZ 204 unit should be commissioned with the aid of the Courier AccessSoftware (CAS) or Protection Access Software & ToolKit (PAS&T) running on a PCand at least one Courier based device. Refer to the Publication R8514 ProtectionAccess Software & ToolKit or R8515 Courier Access Software for all informationabout the software package.

9.2.1.1 Module connection

Reference should be made to section 4 of this manual and to the user manual of

the computer (PC) on which the PAS&T software is to be run.9.2.1.2 Electrostatic discharge (ESD)

See recommendations in section 2.2 of this manual before handling the module.

9.2.1.3 Inspection

Carefully examine the unit and case to verify if no damage has occurred sinceinstallation.

9.2.1.4 Earthing

Mains earthing

9.2.1.4.1 The KITZ 204 unit must be earthed.

If the mains supply is not earthed, the KITZ 204 unit earthing connection on therear of the case must be used to connect the unit to a local (mains) earth.

9.2.1.4.2 K-Bus earthing

The K-Bus cable screen should only be connected to earth at one point in thecommunication system. This will normally involve connecting the cable at the

Master end (ie. at the KITZ 204) and not at any other point.

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9.2.1.5 Insulation

Insulation tests only need to be done when required.

Isolate all wiring from the earth and test the insulation with an electronic orbrushless insulation tester at a DC voltage not exceeding 1000V. Terminals ofthe same circuit should be temporarily strapped together. The main groups on theunit are given below:

Auxilary supply voltage K-Bus Port 3

Watchdog relay contacts

Case earth

This test should not be performed on the RS232 port at the front of the unit as thisis not isolated.

9.2.1.6 Equipment required

The KITZ 204 unit requires the following:AC/DC voltmeter 0 300V

A Portable PC running PAS&T

Any supported Courier-compatible (K-Bus) device.

9.2.2 Auxiliary supply tests

The unit will operate from either a 110V or 110/230V AC supply or a24/125V DC or 48/250V DC battery supply, depending on the KITZ 204

version. The incoming voltage must be within the operating range specified in thetable below:

Range Nominal (V) Operative range (V)

Low voltage (LV) 24/125V DC 19 150V DC110V AC 50/60Hz 50 133V AC

High voltage (HV) 48/250V DC 33 300V DC110/230V AC 50/60Hz 87 265V AC

9.2.3 Configuration

The KITZ 204 does not have any external switches for setting its parameters(other than the Port 0 DTE/DCE switch). The unit can only be configured byrunning the Courier Access Software (CAS) or Protection Access Software &Toolkit (PAS&T) on a PC connected to the RS232 front port (Port 0) of theKITZ 204.

The very first time the unit is powered up, a PC running PAS&T or CAS must be

connected to the front port to configure the settings. After initial configuration, thenew settings will be held in the units non volatile memory.

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The communication characteristics of the front port are fixed (IEC 60870 FT1.2(11 bit) frame format - 1 Start bit, 8 Data bits, 1 Even parity bit, 1 stop bit and adata rate of 19200 bits per second).

The pin out of the front port on the unit can be configured either as a DataTerminal Equipment (DTE) or a Data Circuit-terminating Equipment (DCE), using acrossover switch (SW1) on the front panel.

Setup the KITZ 204 Unit address as detailed in section 2.5.Once communication is established with the KITZ 204 via the PAS&T software,the KITZ 204s own database can be uploaded for viewing its defaultparameters. The settings for the rear communication ports can be now bemodified. The full database is presented in Section 10.

9.2.4 Testing communication port operation

After the KITZ 204 settings have been configured as required, connect theVDEW/IEC 60870-5-103 master to Port 1/2 (use the appropriate RS232 or

RS485 or Optical Fibre connections).Request measurands data for the attached downstream unit from the VDEW/IEC60870-5-103 master and confirm that the requested data are returned.

9.3 Problem solving guide

Common operational faults are listed in this section. The solutions offered are forguidance only.

9.3.1 All indications are off

Check correct auxiliary supply is present.

Check external fuse (if present).

9.3.2 Green supply indication is off and alarm indication is on

An error in the setting data has been detected.

Default serial number has been loaded.

If the unit is de-energised then re-energised after a non-recoverable setting errorhas occurred, the default settings will be loaded (These are listed in Section 10).

If this occurs, the unit will have the default serial number 000000O and a UnitAddress of 255 (global), the address will have to be changed to a uniqueaddress (see section 2.5).

After the address has been changed, the password protected settings can beaccessed by using the default password AAAA (this can also be changed ifrequired).

9.3.3 No communications

Indication status: Port 0 or 1/2 receive indication is Off when communicatingwith a master station

Check master station is polling for data.

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Indication status : Port 3 transmit indication is On and Port 3 receive indicationis Off when communicating with a master station (and Relay):

Relay is not communicating (incorrect address/not configured etc.):refer to the Service Manual of the Relay.

Two relays are using the same address, all addresses must be unique.

No termination resistors fitted to K-Bus, or incorrect value. K-Bus is not a single spur (no branches are allowed)

Indication status : Port 0 or 1/2 receive indication is On, Port 3 transmitindication is On, Port 3 receive indication is On and thecorresponding Port 0 or 1/2 transmit indication is Off whencommunicating with a master station (and relay):

The master station is completing a transfer sequence that has been interruptedwhen the KITZ 204 unit was de-energised then re-energised.

9.3.4 Slow communications response (many retries)

No termination resistor fitted to K-Bus, or incorrect value.

K-Bus exceeds 1000m

K-Bus cable specification not as recommended in section 4.1.1.2

Frequent or large amount of data transfer is being performed from a masterconnected to another input port.

Setting change sequence in progress on another port (Check P0 Set Timer

or P1 Set Timer or P2 Set Timer value is not too long).

Block transfer sequence(s) in progress on another port (Check P0 BlockTimer or P1 Block Timer or P2 Block Timer value is not too long).

9.3.5 Cannot access one or more of the downstream units within the specifiedaddress range

Check that the AR Base Address and AR No. of Units settings (in theADDRESS RANGE menu column) correspond to the addresses of the

downstream unit units polled by the master. Check that the address setting of the downstream unit is correct.

Check that the KITZ 204 SYS Unit Address is not set to the same value asone of the Downstream address.

Check that two or more of the downstream units do not have the sameaddress setting.

9.3.6 Master station time out

Increase the Max Busies setting of the master (see the relevant publication).

Increase the KITZ 204 P3 Busies setting.

Increase the KITZ 204 P3 Trans Delay timer setting.

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9.3.7 Connected Courier downstream relay communications is slow whencommunicating via the KITZ 204.

Increase the KITZ 204 P3 Trans Delay timer setting.

9.4 Maintenance

9.4.1 Battery replacement

The battery within the KITZ 204 is provided to maintain the Real Time Clock tothe correct time, following an interruption of the auxiliary input supply.

If the battery is removed from its socketthe time and date will start from00:00:00: 1996 Jan 01. No warning will be given to reset the date and time.

9.4.1.1 Instructions for replacing the battery

For personal safety, ensure that auxiliary DC/AC supplies are isolated from theunit.

Take off the front cover and pull the unit out of its case. As viewed from the front,

the right hand side screen plate should be removed by unscrewing the fourattaching screws. After undoing the two screws securing the power supply board(ZJ0358), use the tip of a screwdriver to prize the board off from the endconnector.

Place the board on a conductive surface, with the electronic components facingupwards, taking care to place a non-conductive spacer such as a piece ofcardboard underneath the battery( see warning below).

Gently extract the battery from its socket, using a small screwdriver to prize the

battery free.

9.4.1.2 WARNING:

To avoid discharging a battery, it should NOT be placed on a conductivesurface with its legs in contact with the surface.

The replacement battery should be removed from its packaging and placed intothe battery holder. The flat area on the holder should be aligned with the flatarea on the battery.

After replacing the battery, the unit should be re-built by following the proceduredescribed above in reverse order.

9.4.1.3 Post modification tests

Energise the KITZ 204 and verify that it is functioning normally. Set it to thecorrect time and date. Power the unit down for at least 10 seconds and back on.Check that the correct time has been maintained.

9.4.1.4 Battery replacement type

The correct replacement battery type is: FB2325H2 from Rayovac, rated atnominal parameters of 3V and 360mAh.

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9.4.1.5 Battery shelf life and replacement interval

Under normal storage conditions, the expected shelf life of the battery is 10years. Under normal operating conditions, the battery should be replaced after10 years.

9.4.1.6 Battery disposal

The battery should be removed from the unit and have its legs cut off before

disposal, taking precautions to avoid short circuits. Particular regulations withinthe country of operation may apply to the disposal of lithium batteries.

Section 10. COURIER DATABASE SETTINGS

10.1 System data

Password

Col Row Menu text Example value(s) Cell type Default protection

00 00 SYSTEM DATA

00 01 SYS Language English Setting EnglishFrenchGermanSpanish

00 02 SYS Password AAAA Setting AAAA Yes

00 04 SYS Description ********** Setting 16 NullCharacters Yes

00 05 SYS Plant Ref. ********** Setting 16 NullCharacters Yes

00 06 SYS Model No. KITZ 20401D12CE Data Cell

00 08 SYS Serial No. 000000O Data Cell 000000O

00 0A SYS Comms Level 1 Data Cell 1

00 0B SYS Unit Address 1 Data Cell 255

00 11 SYS Soft Ref ********** Data Cell

00 22 SYS Alarms 0000000000000000 Data Cell

(Flag 0)

(Flag 1)

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10.1.1 Language

For model numbers KITZ 20401D12CE and KITZ 20401D15CE, the KITZ 204menu is available in English language only.

For model numbers KITZ 20401D12CM and KITZ 20401D15CM, the KITZ 204menu can be configured in one of the following languages :

English

FrenchGermanSpanish

10.1.2 Password

Password Protection is provided for menu access. This four character passwordmust be entered to allow protected menu cells to be accessed.

10.1.3 Description

This alphanumeric value is for a textual description (eg. Line Reference ofassociated protection relays).

10.1.4 Plant reference

This alphanumeric value should be used to refer to the location (eg. Substation).

10.1.5 Model number

This character string is fixed and contains the full unit model number.

10.1.6 Serial number

This seven character string (six numbers and an alpha character) is fixed andcontains the relay serial number.

10.1.7 Communications Level

This data cell identifies the level of the Courier language supported by the unit.

10.1.8 Unit address

This refers to the Courier address of the unit on the communications network.

10.1.9 Software referenceThis contains the reference number of component parts of the software containedwithin the unit.

10.1.10 Alarms

This cell indicates the status of the unit alarms.

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10.2 Unit settings

Col Row Menu text Example Setting Step Cell Defau l t Passwordvalue(s ) range size type protection

0 4 0 0 UNIT SETTINGS

0 4 0 4 UNS Extended PWP Disabled 0 to 1 1 Setting Disabled Yes

Enab led0 4 0 8 UNS Menu Access Normal 0 to 1 1 Setting Normal Ye s

Advanced

0 4 0 C UNS IEC mode VD EW 0 to 3 1 Setting VD EW Yes

IEC1

IEC2

IEC3

0 4 1 0 UNS Passwd Timer 2 min 1 to 30 1 min Setting 2 min Yesmin

0 4 1 4 UNS VDEW Port Port 1 1 to 2 1 Setting Port 1 Optional

Port 2

10.2.1 Extended password protection

Enables additional password protection for communications port settings.These settings are marked as Optional Password Protection.

10.2.2 Menu access

This setting hides advanced communications port settings.

10.2.3 IEC mode

This setting allows the method of event message reporting to the VDEW/IEC60870-5-103 master to be selected.

10.2.4 Password timer

This is the time period for which the System Password remains active (after beingentered or the last setting change).

10.2.5 VDEW port

This setting allows the VDEW master port to be selected as Port 1 (fibre) or Port 2(electrical).

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10.3 Port 0 settings

Col Row Menu text Example Setting Step Cell Defau l t Passwordvalue(s) range size type protection

0 8 0 0 PORT 0 SETTINGS

0 8 0 8 P0 Setting Timer 2 min 1 to 1 min Setting 2 min Optional

30 min08 0C P0 Block Timer 5 min 1 to 1 min Setting 2 min Optional

30 min

08 10 P0 Reply Timer 10ms 5 to 5ms Setting 5ms Optional100 ms

08 14 P0 Reset Timer 5ms 5 to 5ms Setting 5ms Optional100 ms

08 1C P0 Add Time Tag Disabled 0 to 1 1 Setting Disabled OptionalEnabled

10.3.1 Port 0 setting timer

This setting is the time-out value applied to setting changes and setting changemessage interleaving when access is made via the front port.

Menu cell is visible if cell 0408 = Advanced.

10.3.2 Port 0 block timer

This setting is the time-out value applied to Blocked message transferinterleaving when access is made via the front port.


10.3.3 Port 0 reply timer

This setting is the maximum time delay before a reply is generated after a validrequest is received on the front port of the unit (Excluding globally addressedrequests and the reset remote link request). The reply may be busy. No reply is

generated if the address is not valid or communications has not already beenestablished with the address.


10.3.4 Port 0 reset timer

This setting is the maximum time delay before a reply is generated after a validreset remote link request is received on the front port of the unit. No reply isgenerated if the address is not valid or communications has not already beenestablished with the address.

Menu c

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R8563C KITZ 204