Date Code 20150130 Instruction Manual SEL-787 Relay
Appendix F
IEC 61850 Communications
Instruction Manual
Features
The SEL-787 relay supports the following features using Ethernet
®
and IEC 61850:
➤ SCADA—Connect as many as six simultaneous IEC 61850
MMS client sessions. The SEL-787 also supports as many as
six buffered and six unbuffered report control blocks. See
Table F.14, the CON Logical Device table for Logical Node
mapping that enables SCADA control via a Manufacturing
Messaging Specification (MMS) browser. Controls support the
direct control, Select Before Operate (SBO), and SBO with
enhanced security control models.
➤ Peer-to-Peer Real-Time Status and Control—Use GOOSE
with as many as 16 incoming (receive) and 8 outgoing
(transmit) messages. Virtual bits (VB001–VB128), Breaker
Open (OC1, OC2), and Breaker Close (CC1, CC2) bits can be
mapped from incoming GOOSE messages.
➤ Configuration—Use FTP client software or ACSELERATOR
Architect
®
SEL-5032 Software to transfer the Substation
Configuration Language (SCL) Configured IED Description
(CID) file to the relay.
NOTE: The SEL-787 supports one
CID file, which should be transferred
only if a change in the relay
configuration is required. If an invalid
CID file is transferred, the relay will no
longer have a valid IEC 61850
configuration, and the protocol will
stop operating. To restart protocol
operation, a valid CID must be
transferred to the relay.
➤ Commissioning and Troubleshooting—Use software, such as
MMS Object Explorer and AX-S4 MMS from Sisco, Inc., to
browse the relay logical nodes and verify functionality.
This appendix presents the information you need to use the IEC 61850
features of the SEL-787:
➤ Introduction to IEC 61850
➤ IEC 61850 Operation
➤ IEC 61850 Configuration
➤ Logical Node Extensions
➤ Protocol Implementation Conformance Statement
➤ ACSI Conformance Statement
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