En
gl
is
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36
15.2.2 Two-position interpulse controller for chlorine
Application
•
Upward control direction of the chlorine
concentration using the chlorine bleaching.
•
Control of dosing pump by power supply.
Description
•
The actual value of the chlorine concentration
falls below the setpoint:
– Dosing pump for chlorine bleaching leach is
switched on for brief periods.
•
The measured value deviates from the setpoint:
– Dosing pump runs longer during the interpulse
period.
– With a large deviation, the pump runs
continuously.
Fig. 53
Two-position interpulse controller for chlorine
Parameter settings
TM
03
71
09
16
13
Off
On
Off
On
Off
On
{
SP 1
Chlorine
concentration
Deviation
from setpoint
Interpulse period
Switching status of the pump.
SP 1
Required chlorine concentration, e.g. 38 %.
Pulse frequency for SP 1
0
SP 2
-
*)
Pulse frequency for SP 2
-
X
p
e.g. 100 %
• Higher setting results in smaller control steps.
• Lower setting results in larger control steps.
T
n
e.g. 300 sec
• Higher setting results in slower control.
• Lower setting results in faster control.
T
v
0
Hysteresis
e.g. 1 %
Interpulse period
e.g. 10 sec
Actuating time
0
Minimum pulse width
≥
0.3 sec
Required code functions
1
Other code functions
As required
*)
"-": without function (no setting required)
