Issue:
How to switch between the reference channels when the VFD is controlled from the terminals

Product Line:
Altivar 61 and Altivar 71

Environment:
All models and serial numbers.

Cause:
The unit is not detecting line voltage on the unit.

Resolution:
Command Menu
Reference 1 Channel - Com Card
Profile - Separate
Command Switching - Channel 1 Active
Command Channel 1 - Terminal
Reference 2 Switching – In Drive Com profile C311 to C315.  In IO profile C301 to C315
Reference 2 Channel – Must be selected
Application function Menu
Reference 1B Switching – In Drive Com profile C311 to C315.  In IO profile C301 to C315
Reference 1B Channel – Must be selected
Example: If Reference 2 switching is set to C311 then a decimal value of 2048 must be written to address 8501 to switch to Reference 2 Channel.

Released for: Schneider Electric Egypt and North East Africa