Example: Change-over from AI1 setpoint to keypad setpoint

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The analog input 1 is set as standard setpoint source.
 
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Switch S1 starts the motor in forward direction of rotation. Switch S1 in initial position stops the motor again.
 
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Switch S2 switches the direction of rotation.
 
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Switch S3 activates the keypad as setpoint source. The keypad setpoint can be changed in the operating mode via the navigation keys and .
 
Connection diagram
Function
Potentiometer R1
Frequency setpoint selection
Switch S1
Run
Switch S2
Reverse rotational direction
Switch S3
Activate keypad setpoint
Parameter
Name
Setting for this example
Keypad setpoints: Frequency setpoint
20.0 Hz
Enable inverter
Constant TRUE [1]
Run
Digital input 1 [11]
Reset fault
Not connected [0]
Reverse rotational direction
Digital input 2 [12]
Activate keypad setpoint
Digital input 3 [13]
Control selection
Flexible I/O configuration [0]
Stop method
Standard ramp [1]
Frequency control: Default setpoint source
Analog input 1 [2]
 
The status signals can be assigned to digital outputs. Configure digital outputs
①
Changeover from analog input 1 (standard setpoint source) to keypad setpoint.
②
Changeover from keypad setpoint back to analog input 1 (standard setpoint source).