MITSUBISHI ELECTRIC MR-J2S- CL - Manual (Page 178)

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6. SERVO CONFIGURATION SOFTWARE
6.7.3 Motor-less operation
POINT
When this operation is used in an absolute position detection system, the
home position cannot be restored properly unless the encoder is connected
properly.
Without a servo motor being connected, the output signals are provided and the servo amplifier display
shows the status as if a servo motor is actually running in response to the external I/O signals.
The sequence of the host programmable controller (PC) can be checked without connection of a servo
motor.
Click “Test” on the menu bar and click “Operation w/o Motor” on the menu.
When the above choices are made, the following window appears:
b) a)
(1) Execution of motor-less operation ( a) )
Click “Start” to perform motor-less operation.
(2) Termination of motor-less operation ( b) )
Click “Close” to close the window.
(3) Cancel of motor-less operation
To cancel motor-less operation, switch off the power of the servo amplifier.