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How does the Fast Stop work on the Altivar 320 drives?

Published date: 21 January 2019

How does the Ramp Divider (DCF) affect the deceleration time when the Fast Stop function is used on the AT320 drives?

Product Line:
Altivar 320 ATV320 ATV312 ATV32 MACHINE

All models

How to figure the resulting ramp time.

When using the Fast stop assignment to a logic input (FST = LIx) or as the Type of Stop (STT = FST), the Ramp divider (DCF) affects the normal DEC setting:

Fast stop ramp time = DEC divided by DCF
DCF is adjustable from 0 to 10

If DEC = 20sec and DCF = 2, then the fast stop ramp is 20 / 2 = 10sec
If DEC = 20sec and DCF = 4, then the fast stop ramp is 20 / 4 = 5sec

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