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MELSEC-
A
14 TROUBLESHOOTING
Division of
error
Error
code
Error name Description Action at occurrence of error
Positioning
operation
507
Start outside
stroke limit (+)
Positioning is started at a position outside the
upper software stroke limit.
Operation at the start is not carried out.
508
Start outside
stroke limit (-)
Positioning is started at a position outside the
lower software stroke limit.
509
Movement
outside stroke
limit (+)
Positioning start is made to a position beyond
the upper software stroke limit.
510
Movement
outside stroke
limit (-)
Positioning start is made to a position beyond
the lower software stroke limit.
511
Movement
outside stroke
limit (+)
The address of the positioning data to be
executed next exceeds the upper software
stroke limit.
Immediate stop after completion of preceding
positioning data during continuous path control
512
Movement
outside stroke
limit (-)
The address of the positioning data to be
executed next exceeds the lower software
stroke limit.
514
Outside current
value change
range
The address of current value change is outside
the range between 0 and 359.99999 in the
degree unit.
The current value is not changed.
515
Current value
change not
possible
The “continuous path control” operation
pattern is specified in the positioning data of
the current value change control method.
The “current value change” control method is
specified in the data following the positioning
data of the “continuous path control”
operation pattern.
516
Continuous path
control not
possible
Continuous path control is designated with
the speed control, speed/position
changeover, sizing feed or other control
method where continuous path control is
impossible.
The data preceding speed control,
speed/position changeover or sizing feed is
continuous path control.
The continuous positioning control is
designated for speed control.
Operation at the start is not carried out.