Mitsubishi Electric MELSERVO-J3 Series Manual page 319

8. PARAMETER UNIT (MR-PRU03)
If the communication cable is disconnected during positioning operation, the servo motor will come to a
sudden stop.
(b) Status display
You can monitor the status display even during positioning operation. At this time, the "FWD", "REV"
and "STOP" keys can be used.
(3) Motor-less operation
Without connecting the servo motor, you can provide output signals or monitor the status display as if the
servo motor is running in response to external input devices. This operation can be used to check the
sequence of a sequencer or the like.
(a) Operation/cancel
After turning off the SON signal, choose motor-less operation. After that, perform external operation as
in ordinary operation.
The following shows the operation procedures.
Motor-less operation
(b) Status display
You can monitor the status display even during motor-less operation.
(4) DO forced output
Each output signal can be forced on/off independently of the servo status. This function is used for the
servo wiring check, etc.
Connect EMG-DOCOM to start DO forced output.
The following shows the operation procedures.
DO forced output
The screen appears asking whether
to execute motor-less operation.
e.g. To turn ON output of CN6-3,
press the "
and press the "
Output pins and their status are displayed.
: Output ON
: Output OFF
Test operation mode cancel
ESC
Returns to the initial screen
of the test operation mode.
Select "RESTORE".
Enter
Being executed
" keys to select,
" key to set.
8 - 18
To cancel motor-less operation,
turn ON the power of the servo
amplifier and switch to the
CC-Link operation mode once.
Test operation mode has
been canceled.
This screen is also displayed
when "RESTORE" is selected
in the initial screen of the test
operation mode with no test
operation being performed.