Siemens SIMATIC HMI TP27 - IF1 A and IF2

B-1
TP27, TP37 Equipment Manual
Release 01/00
Interface Assignments
Pin assignment of the 15–pin Sub-D socket:
Pin General RS232 TTY
1 Housing
2 RxD–
3 RxD
4 TxD
5 CTS
6 TxD+
7 TxD–
8 Housing
9 RxD+
10 RTS
11 +20 mA
1)
12 GND
13 +20 mA
1)
14 +5 V
15 GND
1)
Not IF2
IF1A and IF2
B
81
15 9