Relay Outputs; Setpoint Influence; External Setpoint Function - Grundfos MAGNA3 Manual De Instrucciones

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13.6 Relay outputs

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Home > Settings > Relay outputs
Relay outputs
Relay output 1
Relay output 2.
The relay outputs can be set to the following:
Not active
Ready
Alarm
Operation.
The pump incorporates two signal relays, terminals 1, 2 and 3, for
a potential-free alarm signal, ready signal and operating signal.
For further information, see section
Set the function of the signal relays, alarm signal (factory setting),
ready signal and operating signal, on the pump control panel.
The output, terminals 1, 2 and 3, is electrically separated from the
rest of the controller.
The signal relay is operated as follows:
Not active
The signal relay is deactivated.
Ready
The signal relay is active when the pump is running or has
been set to stop, but is ready to run.
Alarm
The signal relay is activated together with the red indicator
light on the pump.
Operation
The signal relay is activated together with the green indicator
light on the pump.
5.5.1 Relay
outputs.

13.7 Setpoint influence

Navigation
Home > Settings > Setpoint influence
Setpoint influence

External setpoint function

Temperature influence.
13.7.1 External setpoint function
Range
4-20 mA
[0-100 %]
0-10 V
[0-100 %]
Control
0-20 %
(e.g. 0-2 V)
20-100 %
(e.g. 2-10 V)
The external setpoint function is an external 0-10 V or 4-20 mA
signal that will control the pump speed in a range from 0 to 100 %
in a linear function. See fig. 37.
External setpoint function
Before the "
enabled, the analog input must be set to "
Note
Note
setpoint influence
" via the "
See section
5.6 Analog input for external
rpm
Max.
Min.
0
2
Fig. 37 External setpoint function, 0-10 V
Setpoint = Min.
Setpoint = Min. ↔ setpoint
" can be
External
Assist
" menu.
sensor.
V
10
31

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