Interface Description; Power Supply; Profibus (Sub-D Rs422/485) - Siemens SIMATIC HMI KTP400 Basic Operating Instructions Manual

8.8

Interface description

8.8.1

Power supply

Name of interface on HMI device: DC24V X80
Plug connector, 2-pin
8.8.2

PROFIBUS (Sub-D RS422/485)

Name of interface on HMI device: PROFIBUS DP X2
Sub-D socket, 9-pin, with screw lock
Basic Panels 2nd Generation
Operating Instructions, 10/2016, A5E33293231-AB
Pin
1
2
Pin Assignment for the RS 422
1
2
3
4
5
6
7 +24 V DC, out (max. 100 mA)
8
9
Assignment
+24 V DC (L+)
GND 24 V (M)
n. c.
GND 24 V
TxD+
RxD+
GND 5 V, floating
+5 V DC, floating
TxD–
RxD–
Technical specifications
8.8 Interface description
Assignment for the RS 485
n. c.
GND 24 V
Data channel B (+)
RTS
GND 5 V, floating
+5 V DC, floating
+24 V DC, out (max. 100 mA)
Data channel A (–)
NC
113