Configuring dip-switch SW2 (IP20 discrete base units)
(Original Document)
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Configuration
The dip‐switch SW2 enables regulation of the input filtering time:
Filter
SW2 position
5 ms fast filter
ON
35 ms normal filter
OFF
NOTE: when replacing a base unit which is configured with input wiring check on site, do not forget to configure SW1 and SW2 on the new base unit, before restarting the application.
The respective positions of SW1 and SW2 determine the maximum length permitted between the wiring check modules and the sensors.
SW1 in the ON position:
SW2 ON
SW2 OFF
Max. length without 50 Hz coupling
500m
500 m
Max. length (240 VAC coupling)
10 m
200 m
Max. length (24 VAC coupling)
100 m
500 m
SW1 in the OFF position:
SW2 ON
SW2 OFF
Max. length without 50 Hz coupling
500 m
500 m
Max. length (240 VAC coupling)
35 m
200 m
Max. length (24 VAC coupling)
350 m
500 m