Mitsubishi Electronics Q172HCPU, Q173HCPU APPENDICES, (3) Absolute position system errors (1200 to 1299), Table 1.10 Absolute position system error (1200 to 1299) list

APPENDICES

(3) Absolute position system errors (1200 to 1299)

These errors are detected at the absolute position system.

The error codes, causes, processing and corrective actions are shown in Table 1.10.

Table 1.10 Absolute position system error (1200 to 1299) list

	pitch-Fixedfeed		Speed/positionswitching	Control mode				positionHomereturn	followPosition-up control
Positioning		Speed		switchingSpeed	speed-Constant	JOG	pulseManualgenerator
Error
code

1201

1202

1203

1204

	Speed control with fixed position stop	Error cause	Error	Corrective action
			processing
OSC
		• A sum check error occurred		• Check the battery and execute
		with the backup data in the		a home position return.
		controller at the turning on
		servo amplifier power	Home
		supply.
			position
		• Home position return was
			return
		not performed.
			request ON
		• CPU module battery error.
		• Home position return started
		but did not complete
		normally.
		• A communication error	Home	• Check the motor and encoder
		between the servo amplifier	position	cables and execute a home
		and encoder occurred at the	return	position return again.
		turning on servo amplifier	request ON,
		power supply.	servo error
			[2016] set.
			(Fully
			closed loop
			control
			servo
			amplifier
			use: Servo
			error [2070]
			is set.)
		• The amount of change in		• Check the motor and encoder
		encoder current value is		cables.
		excessive during operation.
		A continual check is
		performed (both of servo
		ON and OFF states) after
		the servo amplifier power
		has been turned ON.	Home
		• The following expression
			position
		holds: "Encoder current
			return
		value [PLS] feedback
			request ON
		current value [PLS]
		(encoder effective bit
		number)" during operation.
		A continual check is
		performed (both of servo
		ON and OFF states) after
		the servo amplifier power
		has been turned on.

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