ABB RER620

Section 12 1MAC309294-MB F
Relay physical connections
556 RER620
Technical Manual
Table 428: Supported communication interfaces and protocols
12.2.7 Rear communication modules
Figure 314: Communication module options
Table 429: Communication interfaces included in communication modules
Interfaces/Protocols
Ethernet Serial
100BASE-TX RJ-45 100BASE-FX LC EIA-232/EIA-485 Fibre-Optic ST
IEC 61850-8-1 ● ● - -
MODBUS RTU/ASCII - - ● ●
MODBUS TCP/IP ● ● - -
DNP3, Serial - - ● ●
DNP3, TCP/IP ● ● - -
PG&E 2179 - - ● -
Close up view of
RS485 Port
Module ID RJ-45 LC EIA-485/232
EIA-485 /
IRIG-B
ST
COMB01A ● - - - -
COMB02A - ● - - -
COMB22A ● - ● ● -
COMB23A ● - ● ● ●