15 - 8
MELSEC-Q
15 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.24
Axis warning No.) for
axis warning No. storage.
Axis No. Buffer memory address
1 807
2 907
3 1007
4 1107
(2) When an axis warning occurs in a positioning operation, etc., "1" is set in bit 9
(b9) of the following buffer memory (
Md.31
Status) for axis status storage.
Axis No. Buffer memory address
1 817
2 917
3 1017
4 1117
[3] Resetting errors and warnings
Remove the cause of error or warning following the actions described in Section
15.3 and 15.4, before cancel an error or warning state by resetting the error.
How to clear errors or warnings
An error or warning state is canceled after the following processing has been
carried out by setting a "1" in the address [1502 (for axis 1)], [1602 (for axis 2)],
[1702 (for axis 3)], and [1802 (for axis 4)] of the buffer memory for axis error
resetting (
Cd.5
Axis error reset).
•
Axis error detection signal turned OFF
•
"
Md.23
Axis error No." cleared
•
"
Md.24
Axis warning No." cleared
•
Changing of "
Md.26
Axis operation status" from "Error" to "Standby".
•
Axis warning detection "(
Md.31
Status : b9)" turned OFF
[4] Confirming the error and warning definitions
The error and warning definitions can be confirmed with the error and warning
codes. Confirming them requires GX Developer or GX Configurator-QP. For
details, refer to GX Developer Operating Manual or GX Configurator-QP
Operating Manual. (Refer to Section 15.3 and Section 15.4 for details of the error
and warning codes.)
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