Mitsubishi QD75P1N User Manual page 684

15 TROUBLESHOOTING
Classification Warning
of warnings code
511 Step not possible
Illegal external
512
command function
Insufficient
513
movement amount
Outside command
514
speed range
Positioning
operation
Illegal teaching data
516
No.
Illegal teaching data
517
selection
Target position
518
change not possible
Warning name
Code 1 is set for the step start
information when the step is outside
standby.
The detailed parameter 2 "External
command function selection" setting
range is exceeded.
The movement amount is not large
enough for automatic deceleration.
The command speed exceeds the
speed limit.
The positioning data No. is set
outside the setting range.
The teaching data selection set
value is outside the setting range.
• 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.
• A target position change request is
given while the speed change 0
flag (Md.31 Status: b10) is ON.
Warning
The step will not start.
Even if the external command signal
is turned ON, the system will not
perform anything.
The system stops immediately after it
reaches the positioning address.
• The command speed is controlled at
• The "speed limiting flag" turns ON.
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.)
Teaching is not carried out.
The target position change is not
carried out.
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MELSEC-Q
Operation status at warning
occurrence
the "speed limit value".