Hitachi L300P Series Option error Feed-back board SJ-FB, Digital-input option board SJ-DG

2.2 Option error

2.2.1 Feed-back board (SJ-FB)

Trip

Contents

Digital operator display

Remedy, advice

	ü Wire break and/or loose connection of the encoder signal.	ü Check the wiring.
	ü Encoder failure or used the encoder which is not line driver
Encorder wire cut		ü Replace recommended encoder.
	output.
		ü Set SWENC-2 “ OFF” on the card.
	ü Used encoder without Z phase signal.
Over speed	Detect when the motor rotation exceeds	ü Tune Kp and J	parameters	which are
		related to ASR	to reduce	the speed
	(Maximum frequency) × (over speed detection level (P026))
		overshoot.
Positioning error	Detects when the deviation between actual position and position	ü Increase position loop gain of APR.
	command exceeds 1,000,000 pulses.	ü Decrease the input pulses per second of
		the pulse train input.
Cnnection error	It displays, when the poor connection with SJ-FB is detected.	ü Make sure the connection of the board
		ü Make sure if the usage is proper

2.2.2 Digital-input option board (SJ-DG)

Trip	contents	Digital	Remedy, advice
		operator
		display
Option card error	To detect the option card error(failure)		Make sure the connection of the board
			Make sure if the usage is proper

2.2.3 Device- Net option board (SJ-DN)

The error display at the time of device network option board (SJ-DN) connection

		Digital	operator	Display	of remote
Trip	contents			operator
		display
				ERR1＊＊＊
DeviceNet communication error	It displays, when connection cutting and the timeout by			OP1-0	OP2-0
	Bus-Off etc. occur at the time of operation by DeviceNet
	instructions. (Trip by setup of P045 and P048)
Duplication MAC ID	It is shown that the apparatus of the same MAC ID			OP1-1	OP2-1
	exists in the same network.
External trip	The instance of Control Supervisor object 1 and Force			OP1-2	OP2-2
	by the attribute 17 Fault/Trip It displays, when set to 1.
Communication error of inverter	It displays, when a timeout occurs by the			OP1-9	OP2-9
	communication between an inverter and a DeviceNet
	option board.

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