GE Energy

RS-485 2-Wire Terminal Block Signal Definitions

RS-485 Channel

Position

 

2-Wire

 

Number

 

 

 

 

Function

 

Signal Flow

 

 

 

 

 

 

 

 

Channel 1

1

TX1+

 

IN/OUT

 

 

 

 

 

 

2

TX1-

 

IN/OUT

 

 

 

 

 

 

3

FGND 1

 

-

 

 

 

 

 

 

4

RX1-

 

-

 

 

 

 

 

 

5

RX1+

 

-

 

 

 

 

 

Channel 2

6

TX2+

 

IN/OUT

 

 

 

 

 

 

7

TX2-

 

IN/OUT

 

 

 

 

 

 

8

FGND 2

 

-

 

 

 

 

 

 

9

RX2-

 

-

 

 

 

 

 

 

10

RX2+

 

-

 

 

 

 

 

Note: The terminal block positions are numbered from 1 to 10 starting from the bottom of the card.

50994-0089–1.00–2, General

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GE 994-0089 user manual In/Out