Grundfos MAGNA3 D Installation And Operating Instructions Manual page 48

9.6.6 "Analog Input"
Navigation
"Home" > "Settings" > "Analog Input"
This menu offers the following options:
• Function of analog input
• Unit
• Sensor range, min. value
• Sensor range, max. value
• Electrical signal.
Setting
1. Choose "Function of analog input" with
[OK].
2. Choose the function of input with
Not active
Differential-pressure control
Constant-temperature control
Differential-temperature control
Heat energy monitor
External setpoint influence
3. Press [OK] to enable the function mode.
When you have selected the desired function, specify the sensor
parameters:
4. Return to the "Analog Input" menu with
5. Now adjust the sensor parameters "Unit", "Sensor range, min.
value", "Sensor range, max. value" and "Electrical signal".
6. Choose the desired parameter with
7. Select value or adjust digits with
8. Return to the "Analog Input" menu with
Note: You can also use the "Assist" menu to set the analog input.
Here a wizard guides you through each step of the configuration.
See 9.7.4 "Setup, analog input".
For more information on "Analog Input", see section
8.11.4 Analog input.
For further information on "Heat energy monitor" see section
8.11.5 Heat energy monitor.
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or and press
or :
or and press [OK].
or and press [OK].
9.6.7 "Relay outputs"
Navigation
"Home" > "Settings" > "Relay outputs"
This menu offers the following options:
• Relay output 1
• Relay output 2.
Setting
1. Choose "Relay output 1" with
2. Choose the function of input with
"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.
3. Press [OK] to save.
Repeat steps 1-3 for "Relay output 2".
For detailed information on "Relay outputs", see section
8.11.2 Relay outputs.
The duty ranges for proportional-pressure and constant-pressure
control appear from the data sheets in the MAGNA3 data booklet.
In constant-curve duty, you can control the pump from minimum
to 100 %. The range of control depends on the minimum speed,
power and pressure limits of the pump.
or and press [OK].
or :