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 R
TS signal. By default, the R
TS signal is not required by the commu
-
nicating peer
.
The table shows the permissible settings for the DIP switch.
Switch Position
Communication via
1 2 3 4
RS422/RS485 OFF ON ON OFF
PROFIBUS-DP
R
TS at Pin 4
(default)
ON OFF OFF OFF
R
TS at Pin 9
(as PG)
OFF OFF OFF ON
No R
TS on
connector
OFF OFF OFF OFF
Y
ou will find the interface assignments of the different OP versions in
appendix D of this manual.
Configuring
interface IF1B
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