Usually on most CNC systems the indicated position is where the servo should be, not what the actual encoder feedback position is. Your system is probabally sending out a command and does not know the drive is not enabled. Normally it is wise to set some kind of following error detection so that the system will stop and show an alarm, this works the other way also, in the event that the motor takes off for some reason, the system should shut the servo amps off before the motor travels too far and creates damage.
Al
CNC, Mechatronics Integration and Custom Machine Design
“Logic will get you from A to B. Imagination will take you everywhere.”
Albert E.