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Can you switch between 2 wire control and 3 wire control using a logic input?
Issue:
Change between 2 wire control and 3 wire control with logic input.

Product Line:
Altivar 61, ATV61

Environment:
All models, All serial numbers.

Cause:
none

Resolution:
The drive must be programmed as either 2 wire or 3 wire control.  There is no way to change this without both programming and wiring changes to the drive.

2 wire control - LI1 is run forward.  The default programming is a transition of LI1 from low to high in order to run.  This can be changed to Level switching.  LI1 must stay closed for the drive to run.
3 wire control - LI1 is stop (NC contact) and LI2 is run forward.  A momentary or maintained closure of LI2 causes the drive to run forward.  LI1 (stop) needs to be opened in order to stop the drive.

Schneider Electric Sverige

Can you switch between 2 wire control and 3 wire control using a logic input?
Issue:
Change between 2 wire control and 3 wire control with logic input.

Product Line:
Altivar 61, ATV61

Environment:
All models, All serial numbers.

Cause:
none

Resolution:
The drive must be programmed as either 2 wire or 3 wire control.  There is no way to change this without both programming and wiring changes to the drive. 

2 wire control - LI1 is run forward.  The default programming is a transition of LI1 from low to high in order to run.  This can be changed to Level switching.  LI1 must stay closed for the drive to run.
3 wire control - LI1 is stop (NC contact) and LI2 is run forward.  A momentary or maintained closure of LI2 causes the drive to run forward.  LI1 (stop) needs to be opened in order to stop the drive.

Schneider Electric Sverige

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