Siemens 6AV2128-3GB06-0AX0 - Description of the Interfaces; Dc24 V X80; Rs422;485 X20

Technical information
8.9 Description of the interfaces
Unified Comfort Panels
160 Operating Instructions, 03/2020, A5E46641217-AA
8.9 Description of the interfaces
8.9.1 DC24V X80
Power supply 24 V DC 2-pin
Pin
Meaning
1
+24 V DC
2
Ground
8.9.2 RS422/485 X20
Serial interface, 9-pin sub-D socket, female
Pin
Assignment for the RS422
Assignment for the RS485
1
NC
NC
2
NC
NC
3
TxD+
Data signal B (+)
4
RxD+
RTS
5
GND 5 V, floating
GND 5 V, floating
6 +5 VDC, floating +5 VDC, floating
7
NC
NC
8 TxD– Data signal A (–)
9
RxD–
NC