ITEM C 1-Series - Connection: RS232;COM [X5]; Device Side [X5]; Counterplug [X5]; Pin Assignment [X5]

Electrical installation
Page 97
8.8 Connection: RS232/COM [X5]
8.8.1 Device side [X5]
D-SUB connector, 9-pole, male
8.8.2 Counterplug [X5]
D-SUB connector, 9-pole, female
Housing for 9-pole D-SUB connector with bolting screws 4/40 UNC
8.8.3 Pin assignment [X5]
Table 38: Pin assignment: RS232 interface [X5]
Pin No.
Denomination
Values
Specification
1 Not occupied
6 Not occupied
2 RxD 10 V / R
I
> 2 kΩ Receive line, RS232 specification
7 - - Not occupied
3 TxD 10 V / R
A
< 2 kΩ Transmitting line, RS232 specification
8 Not occupied
4 +RS485 reserved for optional RS485 use
9 -RS485 reserved for optional RS485 use
5 GND 0 V Interfaces GND, galvanically connected to GND DGND