Mitsubishi A1SD75P1-S3, User Manual

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14 - 9
MELSEC-A
14 TROUBLESHOOTING
Relevant buffer memory address
Axis 1 Axis 2 Axis 3
Setting range
(Setting given in sequence program)
Remedy
Check the I/F on the PC side of cable connection for
errors.
After making an axis error reset (refer to [3] in Section
14.1), perform manual control operation (refer to Chapter
11) to move the axis to the position where the upper limit
signal (FLS) will not be turned OFF.
After making an axis error reset (refer to [3] in Section
14.1), perform manual control operation (refer to Chapter
11) to move the axis to the position where the lower limit
signal (RLS) will not be turned OFF.
Check the ON/OFF statuses of the stop command (output
signal/external input issued to AD75) and turn OFF the
active stop commands.
•
Output signals issued to AD75 ... Axis 1: Y13, Axis 2:
Y14, Axis 3: Y1C
•
External inputs ... External device connection connector:
Stop signal (STOP)
After checking the status of the stop command, perform
axis error resetting (refer to [3] in section 14.1) to remove
the error, then turn ON the start signal.
Turn ON the PLC READY signal (Y1D) with the BUSY
signals of all axes OFF.
78 228 378
<Zero point return retry>
0, 1
•
The zero point return retry function (refer to section
12.2.1) is validated (setting: 1).
•
Using manual control operation (refer to Chapter 11) to
move from the current position (zero point) and perform
machine zero point return.
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