Since the VIX stepper version can only be purchased as a Driver/Controller, this drive/controller can still be configure down to just a drive. The command to change the IM to just a drive is the MODE command. The command is 1MP. Please refer to the manual where there is an example for step and direction configuration.
1LIMITS(3,0,0) ;DO NOT USE LOCAL LIMITS
1W(ES,0) ;X4.11 LOW = ENERGISE, HIGH (OPEN CIRCUIT) = SHUTDOWN
1W(EI,0) ;STEP AND DIRECTION INPUT MODE
1MP ;STEP AND DIRECTION BASE DRIVE MODE