Mitsubishi Melsec-Q QD75D1, User Manual

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MELSEC-Q
15 TROUBLESHOOTING
Classification
of errors
Error
code
Error name Error Operation status at error occurrence
536
M code ON signal
start
The positioning start is carried out
when an M code ON signal (X4 to
X7) is turned ON.
537
PLC READY OFF
start
The positioning start is carried out
when the PLC READY signal (Y0) is
turned OFF.
538 READY OFF start
The positioning start is carried out
when the QD75 READY signal (X0)
is turned OFF.
543
Outside start No.
range
• At the start of positioning, the
setting value of the "positioning
start No." of the axis control data is
outside the ranges of 1 to 600,
7000 to 7004, and 9001 to 9004.
• At a Pre-reading start, the
"positioning start No." setting of the
axis control data is other than 1 to
600.
At start, the system will not operate.
544 Outside radius range The arc radius exceeds 536870912.
At start: The system will not operate.
During operation:
The system stops
immediately.
545
Control system
LOOP setting error A "0" is set for number of repetitions
of the control system "LOOP".
The operation is terminated.
Positioning
operation
546
Illegal setting of ABS
direction in unit of
degree
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.
At start: The system will not operate.
During operation:
The system decelerates to a
stop.
(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.)
800 Hold error
In the CPU module parameter
"Output at error stop", the setting for
QD75 is "Hold".
At start: The system will not operate.
During operation:
The system stops with the
setting (deceleration
stop/sudden stop) of the
detailed parameter 2 sudden
stop selection
(stop group 3).
(Note that the deceleration stop only
occurs during the manual pulse
generator operation.)
801
Flash ROM write
error
Data is not written to the flash ROM.
I/F
802
Flash ROM sum
check error While data is written to the flash
ROM, the power is turned OFF.
At start: The system will not operate.