Lenze i550

7.4.2 Example: Change-over from AI1 setpoint to keypad setpoint
•
The analog input 1 is set as standard setpoint source.
•
Switch S1 starts the motor in forward direcon of rotaon. Switch S1 in the inial posion
stops the motor again.
•
Switch S2 switches the direcon of rotaon.
•
Switch S3 acvates the keypad as setpoint source. The keypad setpoint can be changed in
the operang mode via the navigaon keys and keypad key.
Connecon plan Funcon
GND AI1 AI2 AO1
10V 24V DI1 DI2 DI3 DI4 DI5 DO1
X3
S1 S2 S3
1k ...10k
0 ... 10 V
R1
Potenometer R1 Frequency setpoint selecon
Switch S1 Run
Switch S2 Reverse rotaonal direcon
Switch S3 Acvate keypad setpoint
Parameter Designaon Seng for this example
0x2601:001 (P202.01) Keypad setpoints: Frequency setpoint 20.0 Hz
0x2631:001 (P400.01) Enable inverter Constant TRUE [1]
0x2631:002 (P400.02) Run Digital input 1 [11]
0x2631:004 (P400.04) Reset fault Not connected [0]
0x2631:013 (P400.13) Reverse rotaonal direcon Digital input 2 [12]
0x2631:016 (P400.16) Acvate keypad setpoint Digital input 3 [13]
0x2824 (P200.00) Control selecon Flexible I/O conguraon [0]
0x2838:003 (P203.03) Stop method Standard ramp [1]
0x2860:001 (P201.01) Frequency control: Default setpoint source Analog input 1 [2]
Conguring the frequency control
Changing the setpoint source during operaon
Example: Change-over from AI1 setpoint to keypad setpoint
136