Moeller DF6-340 Series - Application Examples

Setting Parameters
01/02 AWB8230-1413GB
126
Application examples
This section contains some setting examples of practical
applications.
Flow control
In the example shown in the figure below, the setpoint values are
150 m
3
/min and 300 m
3
/min:
Figure 125: Examples for flow control
w: Setpoint value, 4-bit digital
x: Feedback actual value (500 m
3
/min at 20 mA)
B1: Measured value converter
P1: Flow sensor
a Pump
PNU
Meaning in PID control mode Value Notes
F001 Setpoint 150 Direct input of “150 m
3
/min”, since the
scaling factor has been set
A001
Frequency setpoint input 02 Keypad
A011
Feedback percentage actual value for lower acceptance threshold (units: %) 0 0%
A012
Feedback percentage actual value for upper acceptance threshold (units: %) 100 100 %
A013
Lower acceptance threshold for voltage or current on the actual value input
(in %)
20 20 %
A014
Upper acceptance threshold for voltage or current on the actual value input
(in %)
100 100 %
A021
Digitally adjustable setpoint value 1 300 300 m
3
/min
A071
PID control active/inactive 01 PID mode active
A072
P component of the PID control – Application-dependent
A073
I component of the PID control –
A074
D component of the PID control –
A075
Setpoint factor of the PID control 5.0 100 % at 500 m
3
/min
A076
Input actual value signal for PID control 00 Feedback from OI-L terminal
w
B1
P1
x
4 – 20 mA
G1
a
M
3
~
500 m
3
/min
300 m
3
/min
150 m
3
/min
100
20 mA
4 mA0
100 %
20 %
10.6 mA
53 %
60
30
5.8 mA
29 %
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