Rockwell Automation 1203 Serial Communications Module Series B - Manual (Page 12)

1–4 Product Description
1203–5.5 September 1995
Figure 1.2
Enclosed Style Serial-to-SCANport Communications Module
Power
connection
SCANport
connector
Diagnostic
LEDs
RX
TX
Serial channel
D-shell connector
Bottom View AB0415B
SW1 SW2 SW3 8 1 8 1 8 1
O
Switch SW3
– Logic command/status and
reference/feedback
– Datalink A, B, C, D settings
– Application timeout
Default value
– Duplicate message detection
Switch SW1
– Protocol select
– Adapter address
Switch SW2
– Baud rate selection
– Parity enable
– Parity sense (even/odd)
– Stop bits
– Point-to-point/multi-drop
– CRC/BCC check
O
Serial Status
1. LED off: adapter power removed
2. LED flashing green: link OK, off–line
3. LED solid green: link OK, on–line
4. LED flashing red: was on–line, now off–line
5. LED solid red: fault
SCANport Status
1. LED off: adapter power removed
2. LED flashing green: link OK, not connected
3. LED solid green: link OK, connected
4. LED flashing red: was connected, now not connected
5. LED solid red: fault