Mitsubishi Electronics QD75P Occurrence Outside manual, When input magnification is set at, Over

15 TROUBLESHOOTING

MELSEC-Q

Classification	Warning	Warning name	Warning	Operation status at warning
of warnings	code			occurrence
		Outside manual	The manual pulse generator 1 pulse	• When input magnification is set at
Manual pulse		pulse generator		101 or higher: Re-set to 100.
	401		input magnification is set at 0 or 101
generator		input magnification		• When input magnification is set at 0:
		range	or higher.	Re-set to 1.
	500	Deceleration/stop	The speed change request is issued	The speed change is not carried out.
		speed change	during deceleration stop.

Positioning

operation

		The new value exceeds the speed	• The speed is controlled with the
	Speed limit value		speed limit value.
501		limit value when the speed is
	over		• The "speed limiting flag" is turned
		changed during operation.
			ON.

503	M code ON signal	The M code ON signal is turned ON	Continue executing the positioning
	ON start	when the positioning data is	data.
		executed.
	No operation	In the positioning by block starting,
505		the 50th point of the positioning start	The operation is terminated.
	termination setting
		data is set to CONTINUE.
506	FOR to NEXT nest	FOR to NEXT is nested.
	construction
	Speed-position	The switching signal for speed-	The operation is continued.
	switching (during	position switching control (INC
508
	acceleration) signal	mode) is turned ON during
	ON	acceleration.
			• When a command speed is
			changed:
		• At a continuous operation interrupt	Change to a value as near a new
		request, the distance required	speed value as possible.
		deceleration stop is not long	• When a target position is changed:
509	Insufficient	enough.	Adjust the speed to a value as
	remaining distance	• At a speed change request, the	near the command speed as
		remaining distance is shorter than	possible, and then change to a
		the distance required for speed	target position.
		change.	(When the operation pattern is a
			continuous path control, ignore the
			operations stated above.)
		Code 1 is set for the step start
511	Step not possible	information when the step is outside	The step will not start.
		standby.
	Illegal external	The detailed parameter 2 "External	Even if the external command signal
512		command function selection" setting	is turned ON, the system will not
	command function
		range is exceeded.	perform anything.
513	Insufficient	The movement amount is not large	The system stops immediately after it
	movement amount	enough for automatic deceleration.	reaches the positioning address.

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