Mitsubishi MELSEC QD75P User Manual page 607

15 TROUBLESHOOTING
[2] Warnings
Error storage
When an error occurs, the error detection input turns ON, and the error code
corresponding to the error details is stored in the following buffer memory address
Md.23
( Axis error No.) for axis error No. storage. Note that there is a delay of up
to 1.8 ms after the error detection signal turns ON until the error code is stored.
Axis No. Error detection signal
1
2
3
4
A new error code is stored in the buffer memory address (
for axis error storage every time an error occurs.
Types of warnings
(1) Warnings include system warnings and axis warnings.
The types of system warnings are shown below.
•
System control data setting warnings
An axis warning for axis 1 will occur.
•
Positioning data setting warnings
An axis warning for each axis will occur.
Note that a warning will occur for the reference axis when an interpolation
designation or axis setting warning occurs.
(2) Axis warnings occur due to setting warnings from operations such as
positioning operations, JOG operations, manual pulse generator operations, or
system errors. They can be canceled by turning ON the "
reset".
Note that some warnings cannot be canceled unless the cause of the warning
is eliminated.
The axis operation status does not change even if an axis warning occurs.
(3) Types of warning codes
Warning code
100 to 199
300 to 399
400 to 499
500 to 599
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Buffer memory address
X8
X9
XA
XB
Warning type
Common warning
Warning during JOG operation
Warning during manual pulse generator operation
Warning during positioning operation
15 - 3
MELSEC-Q
806
906
1006
1106
Md.23
Axis error No.)
Cd.5
Axis error