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Restricted Operating Menu / Description
Limits
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:
Limit 1:
Limit 2:
Control
Access to all setting menus can be blocked with an access code !
Note:
Only with control
control
setting ?
Setting in
complete
operating
menu
10
limit 2
5.00 ppm
limit 1
1.00 ppm
Possible values
Initial value
Increment
upper
lower
lower
upper
off *)
0.025 ppm
0.001 ppm
0.375 ppm
0.10 ppm
0.01 ppm
1.50 ppm
The controlled variable is recalculated every second. Only
suitable for processes with time constants greater than 30 s !
control
control output
positive chlorite
negative De-Clt
control
normal
control output
value:
30 %
or
control
with dead zone
control output
value:
30 %
or
control
manual
control output
value:
30 %
upper
lower
Lower value
-0.05 ppm
-0.20 ppm
Positive values of setting variable: chlorite
Negative values of setting variable: De-Clt
For normal control
setpoint
0.50 ppm
Control with dead zone
setpoint 1 upper
0.50 ppm
setpoint 2 lower
0.40 ppm
For manual dosing
manual dosing
15 %
regulated range
Upper value
Limit transgression
when exceeding or
dropping below value
*) only with limit relays
0.550 ppm
for CLT 1-mA-0.5 ppm
2.20 ppm
for CLT 1-mA-2 ppm
Proportional control
ctrl. parameter
xp =
10 %
PID Control
ctrl parameter
xp =
10 %
Ti =
Td =
D1C2-Clt-014-GB
Remarks
off
off
D1C2-Clt-015-GB
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