Are your motor models greyed out? You need to change your license setup
Go to options->license setup
And check the boxes
Note, the unit draw of
power supply is 10
code gen 15
co-simulation 15
motor drive 20
The max units you can draw is 20.
This article also applies if you need to Activate the motor drive library of PSIM or you get other error messages about motor models not working in PSIM