Mitsubishi Electric MELSEC-QD75MH1 User Manual page 715

15 TROUBLESHOOTING
Classification Error
of errors code
Illegal setting of ABS
546 direction in unit of
degree
Positioning
operation
errors
Operation setting for
incompletion of OPR
547
at positioning start
800 Hold error
Flash ROM writing
801
error
Flash ROM sum
802
check error
I/F
errors
803 PLC CPU error
Dedicated instruction
804
error
Error name
The setting value of ABS direction in
the unit of degree is as follows.
• Set outside the setting range.
• A figure other than "0" is set when
the software stroke limit is valid.
The positioning start is carried out
when the home position return
request is turned ON, when the
operation setting for incompletion of
OPR is set.
In the PLC CPU unit parameter
"Output at error stop", the setting for
QD75MH is "Hold".
Data is not written to the flash ROM.
While data is written to the flash
ROM, the power is turned OFF.
The PLC CPU has an error.
• The ABRST instruction is
executed with the status set to
other than 0.
• The PSTRT instruction is
executed with the start No. set to
other than 1 to 600, 7000 to 7004
and 9001 to 9004.
• The TEACH
executed with the teaching data
selection set to other than 0 and 1.
• The TEACH
executed with the positioning data
No. set to other than 1 to 600.
• The instruction of a non-existent
axis is specified by the ABRST
PSTRT or TEACH instruction.
Error
At start: The system will not operate.
During operation:
(Note that, in the continuous
positioning control and continuous
path control, the system continues
operating with the setting set at the
time of start even if the setting is
changed during the operation.)
At start: The system will not operate.
At start: The system will not operate.
During operation:
(Note that the deceleration stop only
occurs during the manual pulse
generator operation.)
At start: The system will not operate.
At start: The system will not operate.
During operation:
instruction is
(Note that the deceleration stop only
instruction is
occurs during the manual pulse
generator operation.)
,
15 - 22
MELSEC-Q
Operation status at error occurrence
The system decelerates to a
stop.
The system stops with the
setting (deceleration
stop/sudden stop) of the
detailed parameter 2 sudden
stop selection
(stop group 3).
The system stops with the
setting (deceleration
stop/sudden stop) of the
detailed parameter 2 sudden
stop selection
(stop group 3).