Grundfos RADIOMODULE 2G4 - External Setpoint Function

2. Set the maximum speed within the range from user-set minimum speed (4) to fixed maximum speed (1).
The range between the user-set minimum and maximum speed is the operating range (3).
100 %
67 %
24 %
10 %
0 %
1
2
3
4
5
TM069817
Pos. Description
1 Fixed maximum speed
2 User-set maximum speed
3 Operating range
4 User-set minimum speed
5 Fixed minimum speed
Related information
6.5 "Control mode"
6.5.2 "Constant curve"
6.20 "Skip band"
6.14 "External setpoint function"
Use this function to influence the setpoint by an external signal via one of the analog inputs.
If the advanced functional module type FM 300 is fitted, you can also influence the setpoint via one of the Pt100/1000 inputs.
To enable the function, set one of the analog inputs or Pt100/1000 inputs to Setpoint influence with Grundfos GO Remote or to Ext.
setpoint infl. with the advanced operating panel.
Example of setpoint influence in control mode Const. pressure
Actual setpoint: actual input signal x setpoint.
At a setpoint of 2 bar and an external setpoint of 60 %, the actual setpoint is 0.60 x 2 = 1.2 bar.
[bar]
100 %0
3.5 V
0.5
5 V0
10 V0
20 mA
0
20 mA4
-50
100
0
0
1.2
2
204 °C
Y1
Y2
Y3
Y4
X1
Y
X
TM070252
48
English (GB)