—RELION® PROTECTION AND CONTROL620 seriesDNP3 Communication ProtocolManual

ABB RELION 620 Series Communication Protocol Manual

Section 1 Introduction

Product documentation

Section 2 Environmental aspects

Section 3 Unpacking, inspecting and storing

Returning a product damaged in transit

Section 4 Mounting

Installing plug-in unit

Sealing plug-in unit

Securing handle

Mounting the IED

Flush mounting the IED

Semi-flush mounting the IED

Rack mounting the IED

Wall-mounting the IED

Rack mounting the IED and test switch RTXP to a

Mounting lens sensors for an arc protection system

Section 5 Connecting

Connecting ring-lug type wires

Connecting analog signals

Connecting current and voltage sensor signalling inputs

Connecting RTD and mA inputs

Shielding RTD/mA instrument cables

Connecting binary signals

Connecting power supply

Connecting communication

Section 6 Removing, repairing and exchanging

Removing the IED

Section 7 Technical data

Rear side of the IED

Enclosure class

Section 8 Accessories and ordering data

Section 9 Glossary

Relion 620 Series

Document revision history

Manual conventions

Section 3 Unpacking, inspecting, and storing

Storing

Installing the plug-in unit

Sealing the plug-in unit

Connecting current inputs

Connecting IED with a test switch

Energizing the IED

Exchanging the IED

Dimensions

Section 8 Glossary

Section 2 Modbus overview

Application data implementation

Section 3 Vendor-specific implementation

Protocol server attachment to a client

Modbus link alternatives

Modbus serial diagnostic counters

Character framing in different serial link modes

Modbus TCP/IP diagnostic counters

Diagnostic functions

Exception codes

Modbus data implementation

Data mapping principles

Data in control direction

Multiple digital inputs mapping

Measurand registers

Register value update

Primary and per-unit values

Rearranging of register value ranges

Register configuration

Control operations

Control functions

Additional control operation features

Control bit configuration

System status registers

SSR2

SSR3

SSR5

User-definable data

User definable registers

UDR data configuration

UDR register configuration

Event records

Single event record structure

Other event record registers

Multiple event records reading

Fault records

Fault record reading

Other fault record registers

Parameter setting group selection

Device information

ASCII character coding

Reset time structure

Accessing of non-protocol-mapped data

SPA application data

Reading of one register

Special reading of indication bits

Writing of SPA data

SPA time synchronization

Modbus user definable area set up for SPA ZC-302 polling

Troubleshooting

Parameter list

Monitored data

Section 5 Glossary