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MELSEC-
A
14 TROUBLESHOOTING
Division of
error
Error
code
Error name Description Action at occurrence of error
Positioning
operation
518
Outside
operation pattern
range
The operation pattern setting is “2.”
At start: Operation does not start.
During operation:
Stopping according to sudden stop
(stopping group 3) setting
(deceleration and stop/sudden
stop) selected in detail parameter 2
(However, deceleration and stop only during
manual pulse generator operation)
519
Interpolation
while target axis
is BUSY
Interpolation is started during operation in the
target axis.
520
Unit group
disagreement
The unit group of the target axis of interpolation
is different.
521
Illegal
interpolation
description
command
Interpolation data is specified for axis 2.
522
Command speed
setting error
The command speed is set at “0.”
524
Control method
setting error
The control method setting is out of the range.
525
Auxiliary point
setting error
One of the following cases is applicable with
auxiliary point-designated arc interpolation.
Start point = Auxiliary point
End point = Auxiliary point
The start point, end point and auxiliary point
are in a line.
The auxiliary point address or center point
address is out of the range
between -2147483648 and 2147483647.
At start: Operation does not start.
During operation: Immediate stop
526
End point setting
error
The start point is the end point with the
auxiliary point-designated arc interpolation.
The end point address is outside the scope of
-2147483648 to 2147483647 in the
circularinterpolation with auxiliary point
designation and center point designation.