Mitsubishi Electric QD75MH1 User Manual page 699

15 TROUBLESHOOTING
Classification Error
of errors code
Home
Illegal near-point dog
position 220
signal
return (OPR)
Outside JOG speed
300
JOG
range
operation or
inching
operation
Inching movement
301
errors
amount error
Illegal condition data
500
No.
Error before
501
simultaneous start
Positioning
operation
errors
502 Illegal data No.
Command speed is
503
not set
Error name
When the count method 1) or 2) –
machine home position return (OPR)
is started, the near-point dog is set to
"1: External input signal of servo
amplifier".
At the time of JOG starting, the JOG
speed comes out of a specified
range.
The inching movement amount
exceeds the JOG speed limit.
The condition data No. is outside the
setting range when a block using the
condition data is started by a special
starting (conditional start, wait start,
simultaneous start, FOR (condition)).
(1 Condition data No.
<When blocks are started
simultaneously>
• The partner axis for simultaneous
start is BUSY.
<When multiple axes are started and
controlled simultaneously>
• The partner axis for simultaneous
start is BUSY.
• The "Simultaneous start axis start
data No." of the start axis is 0 or is
outside the setting range.
• The "Simultaneous start axis start
data No." of those axes other than
the start axis is outside the setting
range.
• The positioning data No. tried to be
executed is outside the ranges of 1
to 600, 7000 to 7004, and 9001 to
9004.
• The designation of a JUMP
destination is executed currently.
• The designation of a JUMP
destination is outside the ranges of
1 to 600.
• At the start of positioning, a current
speed (–1) is set for the command
speed of the positioning data to be
initially executed.
• The current speed is set by speed
control.
• The current speed is set for speed-
position switching control.
Error
Home position return (OPR) is not
started.
The JOG operation is not carried out
when the JOG speed is outside the
setting range at the time of JOG start.
The inching operation is not carried
out when the inching movement
amount exceeds a JOG speed limit at
the time of inching start.
The operation is terminated.
10)
At start: The system will not operate.
During operation:
The positioning data is not executed.
At the start of positioning, operation
does not start.
15 - 10
MELSEC-Q
Operation status at error occurrence
The system stops
immediately.