Interfaces - Siemens SIMATIC TP 270 Operating Instructions Manual

12.4

Interfaces

IF1A
Table 12-1
IF1B
Table 12-2
TP 270, OP 270, MP 270B (WinCC flexible)
Operating Instructions, Edition 03/2004, 6AV6691-1DD01-0AB0
5 1
9 6
9-pin Sub-D plug (pin)
Pin
1
2
3
4
5
6
7
8
9
5 1
9 6
9-pin Sub-D socket (configuration via switch)
Pin
1
2
3
4
5
6
7
8
9
RS 232
-
RXD
TXD
-
GND
-
RTS
CTS
-
RS 422 RS 485 / PROFIBUS-DP / MPI
N.C.
N.C.
TXD+
RXD+
GND (floating)
+5 V (floating)
N.C.
TXD-
RXD-
Technical data
12.4 Interfaces
Data B
RTS-AS
Data A
-
12-9