ProMinent DULCOMETER D1C User Manual

12
Control
D1C2-Cl-015-GB
Access to all setting menus can be blocked with an access code !
Only with control
Note: The control variable is recalculated every second. Only
suitable for processes with time constants greater than 30 s !
Control with dead zone
For normal control
PID control
Proportional control
Positive values of control variable:
Negative values of control variable:
Chlorine
Dechlorine
setpoint
1.00 ppm
setpoint 2 upper
ctrl. parameter
Ti =
Td =
xp =
0 s
setpoint 1 lower
10 %
ctrl. parameter
xp =
10 %
control
settings ?
control
positive chlor
regulated value:
negative dechlor
manual dosing
regulated range
1.20 ppm
1.00 ppm
control
current regulat.
variable: 30 %
normal
control
current regulat.
value: 30 %
with dead zone
control
current regulat.
value: 30 %
manual
15 %
Setting in
complete
operating
menu
or
or
0 s
For manual control
Restricted Operating Menu / Description
Possible values
Initial value Increment Lower value Upper value Remarks
Setpoint 1.00 ppm 0.01 ppm lower limit upper limit 2 setpoints necessary
measuring range measuring range for control with dead zone.
Setpoint 1 < setpoint 2
See page 17 for setting
measuring range
Control parameter xp 10 % 1 % 1 % 500 % xp referred to measuring range
Control parameter Ti off 1 s 1 s 9999 s Function off = 0 s
Control parameter Td off 1 s 1 s 2500 s Function off = 0 s
Manual metering 0 % 1 % -100 % +100 %
Abbreviations for control variables:
x
p
= 100 %/Kp (inverse proportional coefficient)
T
i
=I controller integration time [s]
T
d
=D controller differential time [s]
BA_DM_173_03_09_GB.p65 30.03.2009, 12:10 Uhr12

ProMinent DULCOMETER D1C Specifications

General

Brand	ProMinent
Model	DULCOMETER D1C
Category	Measuring Instruments
Language	English