ABB Relion 620 Series Manuale utente
Relion® Protection and Control
620 series
Modbus Communication Protocol Manual
Document ID: 1MRS757645
Issued: 2015-12-11
Revision: B
Product version: 2.0 FP1
© Copyright 2015 ABB. All rights reserved
Copyright
This document and parts thereof must not be reproduced or copied without written
permission from ABB, and the contents thereof must not be imparted to a third party,
nor used for any unauthorized purpose.
The software or hardware described in this document is furnished under a license and
may be used, copied, or disclosed only in accordance with the terms of such license.
Trademarks
ABB and Relion are registered trademarks of the ABB Group. All other brand or
product names mentioned in this document may be trademarks or registered
trademarks of their respective holders.
Warranty
Please inquire about the terms of warranty from your nearest ABB representative.
http://www.abb.com/substationautomation
Disclaimer
The data, examples and diagrams in this manual are included solely for the concept or
product description and are not to be deemed as a statement of guaranteed properties.
All persons responsible for applying the equipment addressed in this manual must
satisfy themselves that each intended application is suitable and acceptable, including
that any applicable safety or other operational requirements are complied with. In
particular, any risks in applications where a system failure and/or product failure
would create a risk for harm to property or persons (including but not limited to
personal injuries or death) shall be the sole responsibility of the person or entity
applying the equipment, and those so responsible are hereby requested to ensure that
all measures are taken to exclude or mitigate such risks.
This product has been designed to be connected and communicate data and
information via a network interface which should be connected to a secure network.
It is the sole responsibility of the person or entity responsible for network
administration to ensure a secure connection to the network and to take the necessary
measures (such as, but not limited to, installation of firewalls, application of
authentication measures, encryption of data, installation of anti virus programs, etc.)
to protect the product and the network, its system and interface included, against any
kind of security breaches, unauthorized access, interference, intrusion, leakage and/or
theft of data or information. ABB is not liable for any such damages and/or losses.
This document has been carefully checked by ABB but deviations cannot be
completely ruled out. In case any errors are detected, the reader is kindly requested to
notify the manufacturer. Other than under explicit contractual commitments, in no
event shall ABB be responsible or liable for any loss or damage resulting from the use
of this manual or the application of the equipment.
Conformity
This product complies with the directive of the Council of the European Communities
on the approximation of the laws of the Member States relating to electromagnetic
compatibility (EMC Directive 2004/108/EC) and concerning electrical equipment for
use within specified voltage limits (Low-voltage directive 2006/95/EC). This
conformity is the result of tests conducted by ABB in accordance with the product
standard EN 60255-26 for the EMC directive, and with the product standards EN
60255-1 and EN 60255-27 for the low voltage directive. The product is designed in
accordance with the international standards of the IEC 60255 series.
Table of contents
Section 1 Introduction.......................................................................5
This manual........................................................................................ 5
Intended audience.............................................................................. 5
Product documentation.......................................................................6
Product documentation set............................................................6
Document revision history............................................................. 6
Related documentation..................................................................7
Symbols and conventions...................................................................7
Symbols.........................................................................................7
Document conventions.................................................................. 7
Section 2 Modbus overview............................................................. 9
Modbus standard................................................................................9
Serial communication.................................................................... 9
Ethernet communication................................................................9
Application data implementation .................................................10
Terms and definitions.................................................................. 10
Documentation............................................................................ 10
Section 3 Vendor-specific implementation..................................... 13
Protocol server instances................................................................. 13
Connection to clients................................................................... 13
Protocol server attachment to a client......................................... 14
Several identical client connections.............................................14
Protocol data mapping to server instances................................. 14
Modbus link alternatives................................................................... 15
Serial link..................................................................................... 15
Modbus serial link parameters............................................... 15
Modbus serial diagnostic counters......................................... 17
Troubleshooting serial communication...................................17
Character framing in different serial link modes..................... 18
TCP/IP link...................................................................................18
Modbus TCP/IP diagnostic counters...................................... 19
Supported Modbus function codes................................................... 19
Application functions....................................................................19
Diagnostic functions.................................................................... 20
Exception codes.......................................................................... 21
Modbus application data...................................................................21
Modbus data objects................................................................... 21
Modbus data implementation...................................................... 22
Table of contents
620 series 1
Communication Protocol Manual
Data mapping principles.............................................................. 23
Default data organization....................................................... 23
Data in monitoring direction....................................................23
One-bit data mapping.............................................................23
Data in control direction..........................................................24
Digital input data..........................................................................24
Multiple digital inputs mapping............................................... 25
Digital input configuration....................................................... 25
Measurand registers....................................................................26
Register value update............................................................ 27
Primary and per-unit values................................................... 28
Register sizes.........................................................................28
Register saturation................................................................. 28
Rearranging of register value ranges..................................... 29
Time of update....................................................................... 29
Register configuration............................................................ 30
Control operations....................................................................... 31
Control functions.................................................................... 33
Control operations through 4X register structures..................33
Additional control operation features......................................35
Control bit configuration......................................................... 36
System status registers .............................................................. 38
SSR1...................................................................................... 38
SSR2 ..................................................................................... 39
SSR3 ..................................................................................... 40
SSR4 ..................................................................................... 40
SSR5 ..................................................................................... 41
SSR6 ..................................................................................... 41
User-definable data..................................................................... 42
User definable registers......................................................... 43
User definable bits..................................................................43
Data exceptions......................................................................43
Data properties.......................................................................43
Unmapped data locations.......................................................43
UDR data configuration.......................................................... 44
UDR register value manipulation............................................44
UDR register configuration..................................................... 45
Event records ............................................................................. 48
Single event record structure................................................. 49
Single event record reading................................................... 49
Other event record registers...................................................51
Multiple event records reading............................................... 54
Fault records ...............................................................................56
Table of contents
2620 series
Communication Protocol Manual
Fault record structure............................................................. 56
Fault record reading............................................................... 57
Other fault record registers.....................................................58
Parameter setting group selection...............................................60
Time synchronization ..................................................................60
Real-time clock structure........................................................60
Writing to real-time structures................................................ 60
Device information.......................................................................61
ASCII character coding.......................................................... 62
ASCII string syntax.................................................................62
Reset time structure.................................................................... 63
Accessing of non-protocol-mapped data..................................... 64
SPA application data........................................................................ 65
SPA protocol................................................................................65
Supported SPA data....................................................................65
Reading of SPA data................................................................... 65
Reading of one register.......................................................... 66
Reading of two registers.........................................................66
Special reading of indication bits............................................67
Writing of SPA data..................................................................... 68
SPA events..................................................................................68
Event outlook..........................................................................68
SPA time synchronization............................................................69
SPA ZC-302 configuration...........................................................69
Utilization of Modbus user definable area for SPA purposes. 69
Modbus user definable area set up for SPA ZC-302 polling.. 70
Troubleshooting................................................................................71
Section 4 Modbus parameters and diagnostics............................. 73
Parameter list................................................................................... 73
Monitored data..................................................................................74
Section 5 Glossary......................................................................... 77
Table of contents
620 series 3
Communication Protocol Manual
4
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