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Can the ATV212 be programmed for inverse speed reference?

Published date: 12 September 2019

Wants to program the ATV212  for inverse speed reference.

Product Line:
Altivar 212, S-Flex


Needs drive to run at full speed with minimum speed reference and minimum speed with maximum speed reference 

Yes, this can be accomplished by reversing the applicable analog input's scaling. Determine which analog input (VIA or VIB) you're using for speed reference. 
For VIA:
Set F201 to 100%
Set F203 to 0%

For VIB:
Set F210 to 100%
Set F212 to 0%

For example: If you're using a 0-10V speed reference on VIB, and you want it to work inversely, you would set: F210= 100% and F212= 0.

Note: These values are assuming that you're using a speed reference range of 0-10V or 0-20mA. If you're using any other range (5-10V or 4-20mA, for example) or need assistance finding these parameters, see this article for details.

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