ABB RER620 Technical Manual page 567

1MAC309294-MB F
RER620
Technical Manual
Table 440: EIA-232 connections (X6)
Pin
1
2
3
4
5
6
7
8
Table 441: EIA-485 connections (X6)
Pin 2-wire mode
1 -
6 -
7 B/-
8 A/+
Table 442: EIA-485 connections (X5)
Pin 2-wire mode
9 -
8 -
7 A/+
6 B/-
5 AGND (isolated ground)
4 IRIG-B +
3 IRIG-B -
2 -
1 GND (case)
Relay physical connections
EIA-232
DCD
RxD
TxD
DTR
AGND
-
RTS
CTS
4-wire mode
Rx/+
Rx/-
Tx/-
Tx/+
4-wire mode
Rx/+
Rx/-
Tx/+
Tx/-
Section 12
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