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How do you go from 3 wire control to 2 wire control on the ATV312 drives?

Published date: 21 January 2020

Looking to go from 3 wire control to 2 wire control, on the ATV312 drives.

Product Line:
Altivar ATV31 and ATV312 drives


The drive was programmed for 3 wire control and now they want change it to 2 wire control.

Programming changes
Go In to the IO menu enter.
find TCC enter
If TCC is 3 C change it to 2C for 2 wire control,
Please note this is a special parameter you will need to hold enter for 3 to 4 seconds.


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