ProMinent DULCOMETER D1C Operating Instructions Manual page 21

Complete Operating Menu / Description
Control
Setpoint
Control parameter xp
Control parameter Ti
Control parameter Td
Additional load
Manual metering
Abbreviations for control variables:
x = 100 %/K (inverse proportional co-efficient)
p p
T = I controller integration time [s]
i
T = D controller differential time [s]
d
Feed forward control
Access to all setting menus can be blocked with an access code !
feed forward ctrl.:
setting ?
Feed forward control
(Flow)
Feed forward control
rated value
Feed forward control
effect
Max. additive regulated
value
Possible values
Initial value Increment
normal normal
with dead zone
manual
0.60 ppm 0.01 ppm
10 % 1 %
off
off
0 % 1 %
0 % 1 %
feed forward ctrl.:
Hz / mA
10 Hz
Possible values
Initial value Increment
as per None
identity code 10 Hz
500 Hz
Standard signal 0...20 mA
4–20 mA 4...20 mA
10 Hz 0.01 Hz
500 Hz 1 Hz
20 mA 0.1 mA
multiplicative multiplicative
additive
100 % 1 %
Lower value
Lower
measuring
range
1 %
1 s 1 s
1 s 1 s
-100 %
-100 %
feed forward ctrl.:
rated value
10.00 Hz
Lower value
0.1 Hz
1 Hz
0/4 mA
-500 %
Upper value
When controlling with dead
zone, the feed forward control
is not used for measured values
within the dead zone.
Upper 2 setpoints necessary for
measuring control with dead zone.
range Setpoint 1 < setpoint 2
500 % xp referred to measuring range
9999 s
2500 s
+100 %
+100 %
feed forward ctrl.:
disturb. variable
additive
feed forward ctrl.:
max. additive
regulated value:
100 %
Upper value
Signal processing:
Signal <0.02 Hz = No flow
Signal <0.2 Hz = No flow
Signal <0.2 mA = No flow
Signal <4.2 mA = No flow
10 Hz Depends on signal type.
500 Hz Maximum limitation
20 mA of range used.
+500 % only with additive feed
forward control
Remarks
Function off = 0 s
Function off = 0 s
D1C2-ClO2-029-GB
Remarks
21