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