Siemens SIMATIC HMI TP 170A Equipment Manual page 69

Interface Assignment
IF1A
Table B-1
5 1
Pin
9 6
IF1B
Table B-2
5 1
Pin
9 6
1)
TP 170A Equipment Manual
Release 12/99
CuuDuongThanCong.com
Assignment of the 9-pin Sub-D plug (pin)
1
2
3
4
5
6
7
8
9
Pin assignment of the 9-pin Sub-D socket
PROFIBUS-DP
MPI
1
2
3 Data B
4 –
5
6
7
8 Data A
9 –
Can be configured by DIL switches (refer to Page 7-9).
RS232
–
RxD
TxD
–
GND
–
RTS
CTS
–
RS422 RS485
–
GND (24 V)
TxD+ LTG-B
1)
RXD+ RTS-AS
GND (floating )
+5 V- (floating )
–
TXD- LTG-A
1)
RXD- RTS-PU
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B
1)
1)
B-1