Application - ABB REB670 Applications Manual

1MRK 505 337-UUS -
16.2.6.2
Application manual

Application

Parallel redundancy protocol status (PRPSTATUS) together with Duo driver
configuration (DUODRV) are used to supervise and assure redundant Ethernet
communication over two channels. This will secure data transfer even though one
communication channel might not be available for some reason. Together PRPSTATUS
and DUODRV provide redundant communication over station bus running IEC
61850-8-1 protocol. The redundant communication use both port AB and CD on OEM
module.
Station Control System
Data
Switch A
1 2
Data
Configuration
PRP
IEC09000758 V3 EN
Figure 185: Redundant station bus
Redundancy
Supervision
Duo
Data
Switch B
1 2
Data
IED
AB CD
OEM
PRPSTATUS
=IEC09000758=3=en=Original.vsd
Section 16
Station communication
439