Xylem DIQ/S 281 Operating Manual page 115

DIQ/S 281
Testing the
operativeness
Settings
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In order to set up the
be linked with a sensor (see section 6.4).
The relay of the combination output module assigned always works as a closer.
The cleaning cycle consists of
During the cleaning cycle the
sensor are frozen. The maintenance condition (see section 4.8) is active.
Cleaning duration
After the
time
the outputs remain blocked.
The outputs linked with this sensor are only released when the cleaning cycle is
Clean
complete. The
You can test the operativeness of the cleaning system as follows: Manually
open or close the relay with the
while doing so, check the behavior of the cleaning system.
Alternatively, you can test the operativeness of the cleaning system by checking
the performance of the function at the start time set up (reference time ±
interval). To perform a test immediately, the reference time can be set so that
the next cleaning cycle will start in a few minutes (settings: see following table).
Setting
Reference time (h)
Reference time
(min)
Interval unit
Cleaning interval
Cleaning duration
Adjustment time
03/2023
Cleaning
function for a relay output, the relay output must
Cleaning duration
Clean
display flashes. The outputs linked with this
, the relay is opened. During the following
display disappears. The maintenance condition is finished.
Manual control
Selection/Values
0 ... 23 h
0 ... 60 min
1 .. 7 d
1 .. 24 h
5 .. 60 min
1/2/3/4/5/6/7 d
or:
1/2/3/4/6/8/12/24 h
or:
5/10/15/20/30/60 min
0 ... 300 s
0 ... 900 s
Adjustment time
and
function (see section 6.6.8) and,
Explanation
Time at which a cleaning cycle
is started. Further cleaning
cycles will be performed at the
times specified by the cleaning
interval.
Selection of range and unit for
Reinigungsintervall
the
Repeat interval for the
cleaning function:
Time between the start time of
a cleaning cycle and the start
time of the next cleaning
cycle*.
Duration of the cleaning
Time extension to allow the
sensor to adjust to the test
sample after cleaning.
Outputs
.
Adjustment
.
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