Mitsubishi QD75P1N User Manual page 666

15 TROUBLESHOOTING
Classification Error
of errors code
M code ON signal
536
start
PLC READY OFF
537
start
538 READY OFF start
Outside start No.
543
range
Positioning
operation
544 Outside radius range The arc radius exceeds 536870912.
Control system
545
LOOP setting error
Illegal setting of ABS
546 direction in unit of
degree
800 Hold error
I/F
Flash ROM write
801
error
Flash ROM sum
802
check error
Error name
The positioning start is carried out
when an M code ON signal (X4 to
X7) is turned ON.
The positioning start is carried out
when the PLC READY signal (Y0) is
turned OFF.
The positioning start is carried out
when the QD75 READY signal (X0)
is turned OFF.
• 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.
A "0" is set for number of repetitions
of the control system "LOOP".
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.
In the CPU module parameter
"Output at error stop", the setting for
QD75 is "Hold".
Data is not written to the flash ROM.
While data is written to the flash
ROM, the power is turned OFF.
Error
At start, the system will not operate.
At start: The system will not operate.
During operation:
The operation is terminated.
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.
During operation:
(Note that the deceleration stop only
occurs during the manual pulse
generator operation.)
At start: The system will not operate.
15 - 28
MELSEC-Q
Operation status at error occurrence
The system stops
immediately.
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).