GE Energy
52
994-0089–1.00–2, General
RS-485 4-Wire Terminal Block Signal Definitions
4-Wire (default)
RS-485 Channel
Position
Number
Function Signal
Flow
1 TX1+
OUT
2 TX1-
OUT
3 FGND
1
-
4 RX1-
IN
Channel 1
5 RX1+
IN
6 TX2+
OUT
7 TX2-
OUT
8 FGND
2
-
9 RX2-
IN
Channel 2
10 RX2+ IN
Note:
The terminal block positions are numbered from 1 to 10 starting from the bottom
of the card.