Parker Compax3 Series

Parker EME
Compax3 device description
192-120102 N7 - February 2004 25
3.2.8. RS232 / RS485 interface (plug X10)
Interface selectable by contact functions assignment of X10/1:
X10/1=0V RS232
X10/1=5V RS485
RS232
PIN
X10
RS232 (Sub D)
1 (Enable RS232) 0V
2RxD
3
TxD
4DTR
5
GND
6DSR
7
RTS
8CTS
9
+5V
RS485 2-wire
PIN
X10
RS485 two wire (Sub D)
Pin 1 and 9 jumpered externally
1 Enable RS485 (+5V)
2
res.
3TxD_RxD/
4
res.
5GND
6
res.
7TxD_RxD
8res.
9+5V
RS485 4-wire
PIN
X10
RS485 four wire (Sub D)
Pin 1 and 9 jumpered externally
1
Enable RS485 (+5V)
2RxD
3TxD/
4res.
5GND
6
res.
7TxD
8
RxD/
9+5V