Grundfos CONTROL MPC User Manual

20
Fig. 23 Regulation curve for Control MPC-F in open loop
Fig. 24 Regulation curve for Control MPC-S in open loop
Setting range
These settings must be made in connection with open loop:
• Stop of system.
• Selection of control mode Open loop.
• Setting of setpoint 1, open loop.
• Setting of external setpoint influence.
• Selection of operating mode Normal.
Setting via control panel
To set an external control source to control the system, proceed
as follows:
1. Mark the Operation menu with .
2. Mark the operating mode Stop with or , and press
. The check mark in the right box shows that the
operation has been stopped.
3. Mark Further settings with or , and press .
4. Mark Control mode with or , and press .
5. Select Open loop with or , and press .
6. Return by pressing twice.
7. Mark Set setpoint 1, open loop with or .
8. Set the setpoint to 100 % with , and save with .
9. Mark the Settings menu with .
10.Mark Primary controller with or , and press .
11. Mark External setpoint influence with or , and press
.
12.Mark Go to setting of analog input with or , and
press .
13.Select the analog input with or , and press .
14.Select the range of the analog input with or , and
press . The selection is indicated by a check mark.
15.Mark Measured input value with or , and press .
Now the display 4.3.8.1.1 appears.
16.Select 0-100 % signal with or , and press .
17.Press to return to display 4.3.8.1.
18.Set the minimum sensor value with or , and save with
.
19.Set the maximum sensor value with or , and save
with .
20.Return by pressing twice.
21.Mark Input value to be influenced by with or , and
press .
22.Mark the 0-100 % signal with or , and press .
23. Return with .
24.Mark Set the influence function with or , and press
. For details, see section 11.7.6 Setting of influence
function (4.1.3.2).
25.Mark the menu line for number of points with or , and
press .
26.Select the required number of points with or , and
save with .
27.Mark External input value (point 1) with or .
28.Set the value of the external input value with or , and
save with .
29.Mark Reduce setpoint to (point 1) with or .
30.Set the value as a percentage with or , and save with
.
31.Repeat steps 27 to 31 for all chosen points.
32. Return with .
33.Mark Filter time with or , set the time in seconds with
or , and save with .
34.Mark Activated with or , and press . The check
mark in the right box shows that the function has been
activated.
35.Return by pressing twice.
36.Mark the Operation menu with .
37.Mark the operating mode Normal
with or , and press
. The check mark in the right box shows that the
operation is normal. The booster system can now be
controlled by an external controller.
Factory setting
Closed-loop control.
TM03 9975 4807TM03 9974 4807
10050 70.75
25
50
75
100
86.6
Input [%] from
external controller
Flow rate [m
3
/h]
Pump 1
Pump 2
Pump 3
Flow rate
Pump 4
10050 70.75
25
50
75
100
86.6
Flow rate [m
3
/h]
Input [%] from
external controller
Pump 1
Pump 4
Pump 3
Flow rate
Pump 2

Grundfos CONTROL MPC Specifications

General

Brand	Grundfos
Model	CONTROL MPC
Category	Control Systems
Language	English