Interruption Of Bus Voltage - ABB Busch Watchdog 6131 102-500 PM/A Series Manual

Interruption of Bus Voltage

8.1 Behaviour in the case of Bus Voltage Recovery
If voltage is interrupted, the Presence Detector behaves as follows:
a. Interruption ≤ 200 ms
- No change in the control state
b. Interruption > 200 ms
"Light" potentiometer is set to
- between 10 s and 1 min:
Irrespective of the brightness measurement, the lighting will be switched on for one
minute (after 17 seconds initialization). The Presence Detector then returns to its
normal mode of functioning.
- a value ≥ 1 min:
Irrespective of the brightness measurement, the lighting will be switched on in
accordance with the switch-off delay set on the "Light" potentiometer (plus 17 seconds
initialization). The Presence Detector then returns to its normal mode of functioning.
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