Setpoint Influence - Grundfos TPE2 D Manual Del Usuario

17.20.1 Setpoint influence

Pump variant
TPE3, TPE3 D
TPE2, TPE2 D
The table below gives an overview of the types of setpoint
influence and the availability depending on pump type.
"Setpoint influence"
Not active
Linear function
Linear with Stop
Influence table
You can select these functions:
• Not active
when set to Not active, the setpoint is not influenced from any
external function.
• Linear function
The setpoint is influenced linearly from 0 to 100 %. See fig. 62.
"Setpoint influence" [%]
100
0
0
0.5
0
0
0
4
-50
Fig. 62 Linear function
• Linear with Stop
– In the input signal range from 20 to 100 %, the setpoint is
influenced linearly.
If the input signal is below 10 %, the pump changes to
operating mode Stop.
If the input signal is above 15 %, the operating mode is
changed back to Normal. See fig. 63.
46
Setpoint influence
●
●
Pump type
TPE3, TPE2,
TPE3 D TPE2 D
● ●
● ●
● ●
● ●
External
100 %
input
3.5 V
5 V
10 V
20 mA
20 mA
204 C
"Setpoint influence" [%]
100
0
0 20
0.5
0
0
0
4
-50
"Normal"
"Stop"
Fig. 63 Linear with Stop
• Influence table
The setpoint is influenced by a curve made out of two to eight
points. There will be a straight line between the points and a
horizontal line before the first point and after the last point.
"Setpoint influence" [%]
100
0
0
0.5
0
0
0
4
-50
Fig. 64 Influence table, example with five points
External
100 %
input
3.5 V
5 V
10 V
20 mA
20 mA
204 C
External
100 %
input
3.5 V
5 V
10 V
20 mA
20 mA
204 C