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Q How to set pulse train frequency command?
A Set the following parameters to use a pulse train as frequency command:.
- Pr02-07=0 (MI7 no function, therefore can be used for pulse train input.)
- Connect a 24VDC pulse train signal to MI7 (PNP or NPN depending on wiring).
The max. frequency on MI7 is 33kHz.
- Pr00-20=4 (pulse input without direction)
Note: direction via terminals or keypad
- Pr10-00=5 (pulse input MI7)
- Pr10-16=5 (single phase input MI7)
- Pr10-01 for frequency relationship:
E.g. Pulse train f=0~10kHz. Pr10-01=100. Then Fout (H)= f/100
Note: F
max
must be ≥f/100
Q What is the IP of the keypad?
A If the keypad is mounted through a plate, like below, it is IP40.
Q Why is MS300 unstable at 0Hz frequency command?
A When the frequency command is 0Hz, the drive goes in standby mode. Any noise on
the analogue input can keep the drive switching between RUN and standby.
►Pr00-21=1 Operation command via terminals
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