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 .
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Connection diagram
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Function
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Potentiometer R1
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Frequency setpoint selection
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Switch S1
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Run
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Switch S2
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Reverse rotational direction
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Switch S3
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Activate keypad setpoint
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Parameter
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Name
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Setting for this example
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Keypad setpoints: Frequency setpoint
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20.0 Hz
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Enable inverter
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Constant TRUE [1]
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Run
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Digital input 1 [11]
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Reset fault
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Not connected [0]
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Reverse rotational direction
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Digital input 2 [12]
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Activate keypad setpoint
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Digital input 3 [13]
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Control selection
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Flexible I/O configuration [0]
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Stop method
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Standard ramp [1]
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Frequency control: Default setpoint source
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Analog input 1 [2]
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The status signals can be assigned to digital outputs.
Configure digital outputs |
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①
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Changeover from analog input 1 (standard setpoint source) to keypad setpoint.
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②
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Changeover from keypad setpoint back to analog input 1 (standard setpoint source).
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and
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Configure digital outputs