Allen-Bradley 1203-GD2 User Manual page 13

Rs232/422/485 (using df1 protocol)
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Figure 2.2
Enclosed Style Serial-to-SCANport Communications Module
SCANport
Connector
Serial Channel
D-Shell Connector
Power
Connection
Diagnostic
LEDS
Switch SW3
– Logic Command/Status and
Reference/Feedback
– Datalink A, B, C, D Settings
– Application Timeout
Default Value
– Duplicate Message Detection
8
SW3
O
I
Chapter 2
Product Description
RX
SCANport Status
Serial Status
TX
Switch SW2
– Baud Rate Selection
– Parity Enable
– Parity Sense (Even/Odd)
– Stop Bits
– Point-to-Point/Multi-Drop
– CRC/BCC Check
1
8
SW2
1
8
SW1
BOTTOM VIEW
AB0395C
Switch SW1
– Serial Mode Select
– Adapter Address
1
O
I
AB0415B
2-3

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