Siemens SIMATIC HMI KP400 Comfort - 8.10 Description of the Ports

Technical information
8.10 Description of the ports
Comfort Panels
Operating Instructions, 07/2017, A5E36770603-AB
223
8.10
Description of the ports
8.10.1
Power supply
Plug connector, 2-pin
Pin number
Assignment
1
+24 VDC (L+)
2
GND 24 V (M)
8.10.2
PROFIBUS
Name of interface on HMI device: X2
Sub-D socket, 9-pin, with screw lock
Pin
Assignment for the RS 422
Assignment for the RS 485
1
n. c.
n. c.
2
GND 24 V
GND 24 V
3
TxD+
Data channel B (+)
4
RxD+
RTS
5 GND 5 V, floating GND 5 V, floating
6
+5 VDC, floating
+5 VDC, floating
7 +24 VDC, out (max. 100 mA) +24 VDC, out (max. 100 mA)
8
TxD–
Data channel A (–)
9 RxD– NC