Mitsubishi Electric MELSEC-Q Series User Manual page 794

Classification Warning
Warning name
of warnings code
Deceleration/stop
500
speed change
501 Speed limit value over
Positioning
operation
warnings
503 M code ON signal ON
No operation
505
termination setting
FOR to NEXT nest
506
construction
Speed-position
508 switching (during
acceleration) signal ON
Warning
The speed change request is issued
during deceleration stop.
(Note-2)
• Setting speeds exceed the speed
limit value when starting/restarting the
positioning or when changing the speed
(Note-1)
at the positioning . (At the
interpolation control, either of reference
axes or interpolation axes exceeds the
speed limit value.)
• "[Cd.140] Command speed at speed
control mode" exceeds "[Pr.8] Speed
limit value" during the speed control
mode.
• "[Cd.146] Speed limit value at torque
control mode" exceeds "[Pr.8] Speed
limit value" during the torque control
mode.
(Note-1): The speed change by position-
speed switching control, target
position change function, or
override function is contained.
(Note-2): This speed is a value in which
override value is considered
when override function is used.
("[Cd.13] Positioning operation
speed override" is set other than
100[%].)
The M code ON signal is turned ON when
the positioning data is executed.
In the positioning by block starting, the
50th point of the positioning start data is
set to CONTINUE.
FOR to NEXT is nested.
The switching signal for speed-position
switching control (INC mode) is turned ON
during acceleration.
16 - 48
Chapter 16 Troubleshooting
Operation status at warning occurrence
The speed change is not carried out.
Position control mode:
• The speed is controlled with the speed
limit value.
• The "[Md.39] In speed limit flag" is turned
ON.
Speed control mode/torque control mode:
The speed is controlled with the speed
limit value. ("[Md.39] In speed limit flag"
is not turned ON.)
Continue executing the positioning data.
The operation is terminated.
The operation is continued.