Mitsubishi A1SD75P1-S3, User Manual

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14 - 4
MELSEC-A
14 TROUBLESHOOTING
Warning storage
(1) When an axis warning occurs, the warning code corresponding to the warning
details is stored in the following buffer memory ( Md.34 Axis warning No.) for
axis warning No. storage.
Axis No. Buffer memory address
1 808
2 908
3 1008
(2) When an axis warning occurs in a positioning operation, etc., "1" is set in bit 9
(b9) of the following buffer memory ( Md.40 Status) for axis status storage.
Axis No. Buffer memory address
1 817
2 917
3 1017
(3) Resetting errors and warnings
An error state is canceled after the following processing has been carried out by
setting a "1" in the buffer memory for axis error resetting ( Cd.12 Axis error
reset) [1151 (for axis 1)], [1201 (for axis 2)], and [1251 (for axis 3)].
• Axis error detection signal turned OFF
• " Md.33 Axis error No." cleared
• " Md.40 Axis warning detection (b9)" turned OFF
•
" Md.34 Axis warning No." cleared
• Changing of the operation status from "error occurring" to "standing by".
• Changing of the operation status from "step error occurring" to "standing by".
(4) Invalid operations
For the following operations, the setting details will be invalidated, and an error or
warning will not occur.
• Speed change during machine zero point return
• Speed change before operation (Speed override change, skip command,
continuous operation interruption request)
• Axis stop during axis stop
• Axis sudden stop during axis stop
• Axis stop before axis operation
• Axis sudden stop before axis operation
(5) Checking the Error or Warning Number
Use the following methods to check the error or warning number.
(1) “17-segment LED display function” on the front panel of main body of AD75
(Refer to section 13.4.)
(2) “Buffer memory batch monitor function” of GPP function software package
(3) “Monitor function” of software package for AD75
For details of (2) and (3), refer to the GPP Function Software Package Operating
Manual or AD75 Software Package Operating Manual.
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