14-7
Equipment Manual OP7, OP17
Release 04/99
You can configure interface IF1B using the DIP switch at the rear of OP
versions DP and DP-12. This involves changing over the RS422 receive data
and the RTS signal. By default, the RTS signal is not required by the commu-
nicating peer.
The table shows the permissible settings for the DIP switch.
C
i
ti
i
Switch Position
Communication via
1
2
3
4
RS422/RS485
OFF
ON
ON
OFF
PROFIBUS-DP
RTS at Pin 4
(default)
ON
OFF
OFF
OFF
RTS at Pin 9
(as PG)
OFF
OFF
OFF
ON
No RTS on
connector
OFF
OFF
OFF
OFF
You will find the interface assignments of the different OP versions in
appendix D of this manual.
Configuring
interface IF1B
Содержание simatic hmi op7
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