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13 TROUBLESHOOTING
Error
code
Error name
(DEC.)
Setting range outside start
501
method
New current change not
502
possible
Continuous path control not
503
possible
Setting range outside
504
operation pattern
505
Speed 0 error
Setting range outside
506
control method
Setting range outside
507
ACC/DEC time
Setting range outside
508
DEC/STOP time
Illegal direction for
510
continuous path control
Insufficient movement
amount for continuous path
511
control
Not complete calculation for
512
continuous path control
Setting range outside
movement amount at
513
speed-position switching
control
S-curve acc./dec. setting
515
operation pattern error
13 - 7
Error
The setting value of " Cd. 3 Start method" is other than
0 to 10, 9000 and 9001.
• " Da. 1 Operation pattern" is "Continuous path
control" in the positioning data whose " Da. 2 Control
method" is "Current value changing".
• " Da. 2 Control method" is "Current value changing"
in the positioning data following the positioning data
whose " Da. 1 Operation pattern" is "Continuous
path control".
• " Da. 1 Operation pattern" is "Continuous path
control" in the positioning data whose " Da. 2 Control
method" is "Speed.Position Ctrl.".
• " Da. 1 Operation pattern" is "Continuous path
control" in the positioning data preceding the
positioning data whose " Da. 2 Control method" is
"Speed.Position Ctrl.".
The setting value of " Da. 1 Operation pattern" is
outside the setting range.
At a position control start, " Da. 5 Command speed" of
the positioning data is "0".
The setting value of " Da. 2 Control method" is outside
the setting range.
Any of the " OPR. 6 ACC/DEC time at OPR", " JOG. 2
JOG ACC time", " Da. 3 ACC/DEC time" and " Cd. 8
ACC/DEC time at speed change" setting values is
outside the setting range.
Any of the " OPR. 7 DEC/STOP time at OPR",
" JOG. 3 JOG DEC time", " Da. 4 DEC/STOP time"
and " Cd. 9 DEC/STOP time at speed change" setting
values is outside the setting range.
When " Da. 1 Operation pattern" is "Continuous path
control" for position control, " Da. 6 Positioning
address/movement amount" has been set to reverse
the operation direction.
When " Da. 1 Operation pattern" is "Continuous path
control", " Da. 6 Positioning address/movement
amount" is too small to form a constant-speed part.
When " Da. 1 Operation pattern" was "Continuous
path control" for position control, positioning control
ended soon since " Da. 6 Positioning
address/movement amount" in current execution was
small, and the calculation processing of the next
positioning data was not in time.
In " Da. 2 Control method" of "Speed-position
switching control", a negative value is set in " Da. 6
Positioning address/movement amount".
With "S-curve acceleration/deceleration" set for
" Pr. 11 Acceleration/deceleration system selection ",
continuous positioning control or continuous path
MELSEC-Q
Operation status at error occurrence
Start is not made.
Current value changing is not made.
Start is not made.
The axis stops as soon as the execution of the
preceding positioning data is completed.
The axis stops as soon as the execution of the
preceding positioning data is completed.
At start
: Start is not made.
During operation : After switching to position
control, the axis
decelerates to a stop.
Start is not made.
13 - 7
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