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