ABB RET670 - Page 820

Duo
Switch A Switch B
1 2
Redundancy
Supervision
Station Control System
Data
Data
Data
Data
IEC09000758-2-en.vsd
IED
Configuration
DUODRV
PRPSTATUS
1 2
OEM
AB CD
IEC09000758 V2 EN
Figure 314: Redundant station bus
Section 4 1MRK504116-UUS C
Station communication
814
Application manual