Hitachi J300U Series instruction manual 12-8

Display	(Function mode 1)		(Function mode 2)						Setting, change
	Function	Function	Initialization display					Initialization			Setting contents
sequence									contents
	No.	name	contents
13	F-20	DC braking	DCB SW			OFF		OFF	ON/OFF		• DC braking
	DC	selection									ON: DC braking available
	injection										OFF: DC braking unavailable
	braking	DC braking	DCB KIND			LVL		LVL	LVL/EDG		• DC braking method selection
		type									LVL: Level operation
		selection									EDG: Edge operation
		DC braking	DCB F		0000.5 Hz			0.5 Hz	0 to 400.0 Hz		• The frequency at which the
		frequency									DC braking starts is set.
		selection
		DC braking	DCB V-STA			00		0	0 to 20		• The DC braking force at start
		force selec-									is set.
		tion (at start)
		DC braking	DCB V-STP			00		0	0 to 20		• The DC braking force at stop
		force selec-									is set.
		tion (at stop)
		DC braking	DCB T-STA			000.0 s		0 s	0 to 600.0		• The DC braking time at start
		time selec-									is set.
		tion (at start)
		DC braking	DCB T-STP			000.0 s		0 s	0 to 600.0		• The DC braking time at stop
		time selec-									is set.
		tion (at stop)
		DC braking	DCB STOP-T			0.00 s		0 s	0 to 5.00		The output frequency is
		output cut-									lowered to the DC braking
		off time									frequency and the free run
			adjustment								time during execution of DC
											braking is set.
14	F-21	Dynamic	BRD-%ED		001.5%			1.5%	0 to 100.0		• The allowable usage ratio of
		braking									the braking resistor for 100
		setting									seconds is set. (NOTE 1)
15	F-22	Allowable	IPS TIME			1.0 s		1.0 s	0.3 to 25 s		• When an instantaneous power
	The	instantaneous									failure occurs, the allowable
	allowable	powerfailure									time until the power failure is
	usage	time setting									recovered is set.
	ratio of	Reclosing	IPS WAIT			001.0 s		1.0 s	0.3 to 100.0 s		• The waiting time until the
	the	standbyafter									rerunning starts after an
	braking	instantaneous									instantaneous power failure
	resistor	powerfailure									occurs and is recovered is set.
	for 100	recovered
	seconds	Instantaneous	IPS POWR			ALM		ALM	ALM/FTP/		ALM: Alarm output
	is set.	powerfailure							RST/ZST		ZST: 0 Hz start retry
		restart									FTP: Retry after frequency
		selection									matching is stopped
											RST: Rerunning start retry
		Tripselection	IPS TRIP			OFF		OFF	ON/OFF		When an instantaneous power
		during stop									failure occurs:
		atunder									ON: Trip
		voltage									OFF: Non-trip
16	F-23	Electronic	E-THM CHAR			SUB		SUB	CRT/SUB/FRE		• Electronicthermalcharacteris-
	Electronic	thermal									tic setting CRT: Constant
	thermal	characteristic									torque characteristic
		selection									SUB: Reduced torque charac-
											teristic
											FRE: Free characteristic
		Electronic	E-THM LEVEL			100%		100%	20 to 120%
		thermallevel
		setting
NOTE 1: Initial setting of usage ratio				1.5%			055-075L/HF		0%	110-550L/HF

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