Xylem WTW DIQ/S 281 Operating Manual page 103

DIQ/S 281
Canceling the
cleaning
ba77244d01
relay
condition
closed
open
00:00
1 Reference time
Begin of a cleaning cycle (t1)
Begin of the specified Cleaning duration (t1a)
2 End of the specified Cleaning duration (t1a)
Begin of the specified Adjustment time (t1b)
3 End of the specified Adjustment time (t1b)
End of the cleaning cycle (t1)
4 Reference time ± Cleaning interval (t2)
Begin of a cleaning cycle
A running cleaning cycle is canceled:
 Automatic
– if the sensor switches to the inactive condition during the cleaning cycle
 Manual
– By pressing the
– By switching on the maintenance condition
Each time the cleaning cycle is canceled, the relay opens immediately.
If the cleaning cycle is canceled automatically, the outputs linked to the sensor
are released immediately.
If the cleaning cycle is canceled manually, the sensor is in the maintenance
condition. The linked outputs are only released after the maintenance condition
was terminated manually.
08/2020
2
1
t1a t1b
4
1
t1 t1
t2 t2
04:00 12:00
<C>
key
3
4
t1
t2 t2
20:00 24:00
Outputs
Time
103