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슈나이더 일렉트릭 코리아 웹사이트에 방문해 주셔서 감사합니다.

슈나이더 일렉트릭 코리아 웹사이트 방문자 분들 모두 환영합니다.
FAQ 검색
On an ATV630, why does the drive ramp all the way to low speed and high speed when my +/- speeds are pulsed?
Issue:
On an ATV630, the drive ramps all the way to low speed and high speed when my +/- speeds are pulsed.

Product Line:
Altivar Machines, Altivar Process Drives

Environment:
All models and serial numbers

Cause:
Drive ramps all the way up and down without stopping in between

Resolution:
This could be caused by any of the following:
  • The pulse isn't actually a pulse. Instead you're providing a sustained signal to the digital input
  • Acceleration time is too short. +/- speed ramping is based on acceleration speed
  • The pulse doesn't drop out long enough for the drive to recognize that it has dropped. Repeated input activation at too high speed can cause this
Try the following:
  • Make sure you're actually pulsing the inputs for activation
  • Try pulsing the inputs with a jumper wire from +24V to see if the behavior changes
  • Adjust acceleration time longer
  • Adjust deactivation of the digital inputs to a longer amount of time so the drive realizes the input has deactivated. The drive needs to see the signal drop in order to stop ramping

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