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C1120 S5 to II/O-Lightbus Interface
5
C1120 Serial Port Pinout
Page 52 of 52
Pinout of RS232 C / current loop port
(9-pin SUB-D connector on front of C1120)
Pin
Signal
TXD
1
2
TXD
3
RXD
RXD
4
Signal
5
GND
6
TXD
TXD
7
8
RXD
9
RXD
Version 2.1
Beckhoff II/O-Lightbus System
Port
RS232 C COM2:
RS232 C COM1:
RS232 C COM1:
RS232 C COM2:
-
20mA+ COM1:
20mA- COM1:
20mA+ COM1:
20mA- COM1:
Date 27.06.97
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