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60 GE INFORMATION D400 SUBSTATION GATEWAY INSTRUCTION MANUAL

CHAPTER 4: CONNECTING TO DEVICES AND NETWORKS

Table 14: RS-485 2-Wire Terminal Block Signal Definitions

NOTE

The terminal block positions are numbered from 1 to 10 starting from the bottom of the

card.

4-Wire connections

See “RS-485 adapter” on page 40 for configuration options.

To connect RS-485 4-

wire type devices to

the RS-485 Adapter

Use the following wiring connection:

NOTE

Before wiring devices, ensure that the RS-485 Adapter is configured to 4-wire mode (see

“RS-485 adapter” on page 40).

RS-485 Channel Position Number 2-Wire

Function Signal Flow

Channel 1 1 TX1+ IN/OUT

2 TX1− IN/OUT

3 FGND 1 Shield

4 RX1− -

5 RX1+ -

Channel 2 6 TX2+ IN/OUT

7 TX2− IN/OUT

8 FGND 2 Shield

9 RX2− -

10 RX2+ -

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GE Multilin D400 Specifications

General