ProMinent DULCOMETER D1C Operating Instructions Manual page 18

Measured variable chlorine dioxide
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Complete Operating Menu / Description
b) theoretical switching time > (cycle - min. time)
Cycle
on
off
Cycle
on
off
®
The DULCOMETER
cycle and theoretical switching time exceed the "min. time".
Limit Values
Access to all setting menus can be blocked with an access code !
limits
setting ?
Type of limit trans-
gression
Limit 1:
Limit 2:
Limit value
Limit 1:
Limit 2:
Hysteresis limits
Checkout time limits ∆t on
Control
18
Cycle
min. time
Cycle
D1C does not deactivate for a certain number of cycles until the differences between
limit 2
upper
150.0 ppm
limit 1
lower
10.0 ppm
relay 1
- active closed
∆t on
0 s
∆t off
0 s
Possible values
Initial value
Increment
upper
lower
lower
upper
0.1 ppm
0.01 ppm
1.5 ppm
0.01 ppm
0.04 ppm
0.01 ppm
off
on
and
Cycle
t
Cycle
min. time
t
limits fault
hyst.:
∆t on:
control:
LV1
relay 2
- active closed
∆t on
0 s
∆t off
0 s
Lower value
off*
0.00 ppm
0.00 ppm
0.02 ppm
1 s
1 s
on
off
calculated switching time < cycle
theoretical
actual
4.0 ppm
off
on
LV2
Upper value
Limit transgression when
exceeding or dropping below value
*only with limit relay
20.00 ppm
20.00 ppm
20.00 ppm
Effective in direction of
cancelling limit transgression
9999 s
Results in message and alarm.
Function switched off,
no message, no alarm
D1C2-ClO2-024-GB
Remarks
off = 0 s:

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