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Switch SW1
Switch SW1 is used to select:
S Serial communications mode (RS232/RS422/RS485)
S Communications Module address
SW1
O
F
F
O
N
8
7
6
Communications
Module Address
Table 3.A
Switch SW1 Settings for Communications Mode
Switch
Value
SW1-2
SW1-1
(Decimal)
0
Off
Off
1
Off
On
2
On
Off
3
On
On
Chapter 3
Installation
5
4
3
2
1
Communications
Mode Selection
Communications Mode
RS232 (DF1 Protocol)
RS422 (DF1 Protocol)
RS485 (DF1 Protocol)
Not Used
AB0398B
3-3
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