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3.0 Pin Assignment
Front side:
LED´s:
Power:
Control:
1:
2:
3:
4:
Rear side:
Assignment:
RS485/ RS422 9-pol D-SUB female connector
1
-
2
-
3
-
4
-
5
-
6
-
7
-
8
-
9
-
RS232 9-pol D-SUB male connector
1
-
2
-
3
-
4
-
5
-
6
-
7
-
8
-
9
-
3.0 Pin assignment
Power supply
Operation mode
Alarm channel 1
-"-
2
-"-
3
-"-
4
RS422 RxD/A (+) ; RS485 A
RS422 RxD/B (-) ; RS485 B
RS422 TxD/A (+)
RS422 TxD/B (-)
GND
Reserved
Reserved
Reserved
Reserved
nc
RXD
TXD
nc
GND
nc
RTS
CTS
nc
- 6 -
Using port as RS485:
External Bridge between Pin1 + Pin3,
and Pin2 + Pin4
Termination resistor (Input; Pin 1+2):
Open the unit and change the jumper:
Termination
ON plugged
(Default)
Termination
OFF open
Null-Modem - cable assignment
PC
TxD Pin 3 ------------------ Pin 2 RxD
RxD Pin 2 ------------------ Pin 3 TxD
GND Pin 5 ------------------ Pin 5 GND
RTS Pin 7 ------------------ Pin 8 CTS
CTS Pin 8 ------------------ Pin 7 RTS
D-Sub
plug
IL 3122E
sensor :
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