Hitachi SJ700-2 Explanation of main circuit terminals, Explanation of control circuit terminals

				Chapter 2 Installation and Wiring
(1) Explanation of main circuit terminals
		Symbol	Terminal name	Description
		R, S, T	Main power input	Connect to the AC power supply.
		(L1, L2, L3)		Leave these terminals unconnected when using a regenerative converter (HS900 series).
		U, V, W	Inverter output	Connect a 3-phase motor.
		(T1, T2, T3)
		PD, P	DC reactor connection	Remove the jumper from terminals PD and P, and connect the optional power factor reactor
	(+1, +)			(DCL).
		P, RB	External braking	Connect the optional external braking resistor.
		(+, RB)	resistor connection	(The RB terminal is provided on models with 22 kW or less capacity.)
		P, N	Regenerative braking	Connect the optional regenerative braking unit (BRD).
	(+, -)		unit connection
		G	Inverter ground	Connect to ground for grounding the inverter chassis by type-D grounding (for 200 V class
				models) or type-C grounding (for 400 V class models).

(2) Explanation of control circuit terminals

Symbol

	Power supply			L
				H
		setting input		O
				O2
		Frequency
Analog				OI
		Monitor output		AM
				AMI
		output
		Monitor		FM
		supply		P24
(contact)		Power		CM1
Digital		Operation	command	FW
input		logic		1
Contact		andselection	switching	2
				3
				4
				5
		Function		6
				7
				8

Terminal name	Description	Electric property
Analog power	This common terminal supplies power to frequency command terminals (O,
supply	O2, and OI) and analog output terminals (AM and AMI). Do not ground this
(common)	terminal.
Frequency		Allowable	load current:		20
setting power	This terminal supplies 10 VDC power to the O, O2, OI terminals.
		mA or less
supply
Frequency	Input a voltage (0 to 10 VDC) as a frequency command. 10 V specifies the	Input impedance: 10kH
command	maximum frequency.	Allowable	input	voltages:
	To specify the maximum frequency with a voltage of 10 V or less, set the
(voltage)	voltage using function "A014".	-0.3 to +12 VDC
Auxiliary	Input a voltage (0 to ±10 VDC) as a signal to be added to the frequency	Input impedance: 10kH
frequency	command input from the O or OI terminal. You can input an independent
command	frequency command from this terminal (O2 terminal) alone by changing the	Allowable input voltages:
(voltage)	setting.	0 to ±12 VDC
Frequency	Input a current (4 to 20 mA DC) as a frequency command. 20 mA specifies	Input impedance: 10kH
command	the maximum frequency.	Maximum		allowable
	The OI signal is valid only when the AT signal is on. Assign the AT function
(current)	to an intelligent input terminal.	current: 24 mA
	This terminal outputs one of the selected "0 to 10 VDC voltage output"
Analog monitor	monitoring items. The monitoring items available for selection include	Maximum		allowable
(voltage)	output frequency, output current, output torque (signed or unsigned),	current: 2 mA
	output voltage, input power, electronic thermal overload, LAD frequency,
	motor temperature, heat sink temperature, and general output.
	This terminal outputs one of the selected "4 to 20 mA DC current output"
Analog monitor	monitoring items. The monitoring items available for selection include	Allowable load impedance:
(current)	output frequency, output current, output torque (unsigned), output voltage,	250H or less
	input power, electronic thermal overload, LAD frequency, motor
	temperature, heat sink temperature, and general output.
	This terminal outputs one of the selected "0 to 10 VDC voltage output
	(PWM output mode)" monitoring items. The monitoring items available for
	selection include output frequency, output current, output torque	Maximum		allowable
Digital monitor	(unsigned), output voltage, input power, electronic thermal overload, LAD	current: 1.2 mA
(voltage)	frequency, motor temperature, heat sink temperature, general output,	Maximum	frequency:		3.6
	digital output frequency, and digital current monitor.	kHz
	For the items "digital output frequency" and "digital current monitor," this
	terminal outputs a digital pulse signal at 0/10 VDC with a duty ratio of 50%.
Interface power	This terminal supplies 24 VDC power for contact input signals.	Maximum	allowable output
supply	If the source logic is selected, this terminal is used as a common contact	current: 100 mA
	input terminal.
Interface power	This common terminal supplies power to the interface power supply (P24),
	thermistor input (TH), and digital monitor (FM) terminals. If the sink logic is
supply	selected, this terminal is used as a common contact input terminal. Do not
(common)
	ground this terminal.
		[Conditions for		turning
Forward rotation	Turn on this FW signal to start the forward rotation of the motor; turn it off to	contact input on]
command	stop forward rotation after deceleration.	Voltage across input			and
		PLC: 18 VDC or more
		Input impedance		between
	Select eight of a total 60 functions, and assign these eight functions to	input and PLC: 4.7kH
	terminals 1 to 8.
		Maximum allowable voltage
Intelligent input	Note:	across input and PLC: 27
	If the emergency stop function is used, terminals 1 and 3 are used	VDC
	exclusively for the function. For details, see Item (3), "Emergency stop
	function" (on page 2-8).	Load current with 27 VDC
		power: about 5.6 mA

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