Notification 675 – Negative output is set as Common RTN with non-main output

CATEGORY

ISSUE / RESULT

FIX / REFERENCE(S)

Error

Negative output is configured as Common RTN with an output different than the Main Output.  A negative output can only be referenced to the same point as the Main Output, or it could be floating.

A negative output can only be referenced to the same point as the Main Output, or it could be floating.  In the Specifications-Outputs dialogue, configure the Main Output to be the one to which you want your Negative Output to be referenced, and repeat the operation.

The Main Output is used to provide a reference for the output control circuitry. Additional restrictions for the Main Output are:

- To be positive

- If an SR is used in the circuit, the first one will automatically be attached to the Main Output

- In the AC stack case, the Main Output must be the first one in the stack , i.e. the one providing the minimum voltage in the stack