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Switch sw1 – Rockwell Automation 1203 Serial Communications Module PPG OPTOMUX User Manual

Page 15

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Chapter 3
Installation

3-3

Switch SW1

Switch SW1 selects:
S Communications mode selection (RS232/RS422/RS485)
S Communications module address

SW1

O

F

F

O

N

8

7

6

5

4

3

2

1

Communications

Module Address

Communications

Mode Selection

AB0398B

Table 3.A
Switch SW1 Communications Mode Selection

Switch

Value

(Decimal)

SW1-2

SW1-1

Communications Mode

0

Off

Off

RS232

1

Off

On

RS422

2

On

Off

RS485