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MELSEC-Q
15 TROUBLESHOOTING
Classification
of warnings Warning
code Warning name Warning Operation status at warning
occurrence
514 Outside command
speed range The command speed exceeds the
speed limit.
• The command speed is controlled at
the "speed limit value".
• The "speed limiting flag" turns ON.
516 Illegal teaching data
No. The positioning data No. is set
outside the setting range.
Teaching is not carried out when the
set value is 0 or 601 or more.
(A "0" is canceled by the QD75
automatically even when a "0" or
"601" or more is set.)
517 Illegal teaching data
selection The teaching data selection set
value is outside the setting range. Teaching is not carried out.
Positioning
operation
518 Target position
change not possible
• A target position change request
was given for the control system
other than ABS1 and INC1.
• The target position change request
is turned ON during continuous
path control.
• A new target position address is
outside the software stroke limit
range.
• A target position change request
was given during deceleration to a
stop.
The target position change is not
carried out.