General Specifications, Input terminals

SPECIFICATIONS

General Specifications

	Items		General Specifications
	Control method		Line to line sine wave pulse-width modulation (PWM) control
	Output frequency range (*6)		0.1-400.0Hz(400kW:0.1-120Hz)
	Frequency accuracy		Digital: ±0.01% of the maximum frequency, Analog: ±0.2%(25±10˚C)
	Frequency resolution		Digital setting: 0.01Hz, Analog setting: (Maximum frequency)/4,000 (O terminal: 12bit 0-10V, O2 terminal: 12bit -10-+10V)
	V/f characteristics		V/f optionally variable (30-400Hz of base frequency), V/f control (constant torque, reduced torque), Sensorless vector control, 0Hz domain sensorless vector
	V/f characteristics		control, vector control (SJ-FB card option)
			control, vector control (SJ-FB card option)
Control	Speed fluctuation		±0.5% (sensorless vector control)
	Acceleration/deceleration time		0.01-3,600sec. (Linear/curve, accel./decel. selection), Two-stage accel./decel.
			SJ700 (Sensorless vector control): 200% at 0.3Hz/ 75kW to 150kW:180% at 0.3Hz,185kW and over:150% at 0.3Hz.
	Starting Torque		SJ700B (Sensorless vector control): 150% at 0.5Hz/ 90kW and over:120% at 0.5Hz,
			SJ700 (0Hz domain with motor one frame size down):150% at around 0Hz/ 75kW and over: 130% at around 0Hz.
	Carrier frequency range		SJ700: 0.5-15.0kHz(185kW and over:0.5-3.0kHz)/SJ700B: 0.5-12.0kHz(90kW and over:0.5-8.0kHz)
	DC braking		Performs at start: under set frequency at deceleration, via an external input (braking force, time, and operating frequency).
	Frequency	Operator	Up and Down keys
	Frequency	External signal*8	DC 0-10V, -10-+10V (input impedance 10kΩ), 4-20mA (input impedance 100Ω)
	setting	External signal*8
	setting	External port	Setting via RS485 communication
		External port	Setting via RS485 communication
	Forward /reverse	Operator	Start/stop commands (forward/reverse switching by parameter setting)
	Forward /reverse	External signal	Forward-operation start/stop commands (reverse-operation start/stop possible when relevant commands are assigned to intelligent input terminals)3-wire
	Start /stop	External signal	input possible (when relevant commands are assigned to control circuit terminals)
	Start /stop
		External port	Setting via RS485 communication
		Terminals	8 terminals, NO/NC switchable, sink logic/source logic switchable
			Reverse operation (RV), Multi-speed 1 setting (CF1), Multi-speed 2 setting (CF2), Multi-speed 3 setting (CF3), Multi-speed 4 setting (CF4), Jogging (JG),
			external DC braking (DB), 2nd motor control (SET), 2-stage acceleration/deceleration (2CH), free-run stop (FRS), external trip (EXT), unattended start
Input signal			protection (USP), commercial power supply switching (CS), software lock (SFT), analog input switching (AT), 3rd motor control (SET3), reset (RS), starting by
Input signal			3-wire input (STA), stopping by 3-wire input (STP), forward/reverse switching by 3-wire input (F/R), PID disable (PID), PID integration reset (PIDC), control
			gain switching (CAS), acceleration by remote control (UP), deceleration by remote control (DWN), data clearance by remote control (UDC), forcible operation
	Intelligent		(OPE), Multi-speed bit 1 (SF1), Multi-speed bit 2 (SF2), Multi-speed bit 3 (SF3), Multi-speed bit 4 (SF4), Multi-speed bit 5 (SF5), Multi-speed bit 6 (SF6),
	Intelligent	Functions	Multi-speed bit 7 (SF7), overload restriction selection (OLR), torque limit selection (enabling/disabling) (TL), torque limit 1 (TRQ1), torque limit 2 (TRQ2), P/PI
	input terminals	Functions	switching (PPI), braking confirmation (BOK), orientation (ORT), LAD cancellation (LAC), clearance of position deviation (PCLR), permission of 90˚shift phase
			(STAT), trigger for frequency addition (A145) (ADD), forcible-terminal operation (F-TM), permission of torque command input (ATR), cumulative power
			clearance (KHC), servo-on (SON), pre-excitation (FOC), general-purpose input 1 (MI1), general-purpose input 2 (MI2), general-purpose input 3 (MI3),
			general-purpose input 4 (MI4), general-purpose input 5 (MI5), general-purpose input 6 (MI6), general-purpose input 7 (MI7), general-purpose input 8 (MI8),
			analog command holding (AHD), Multistage position settings selection 1 (CP1), Multistage position settings selection 2 (CP2), Multistage position settings
			selection 3 (CP3), Zero-return limit function (ORL), Zero-return trigger function (ORG), Forward drive stop (FOT), reverse drive stop (ROT), Speed / position switching
			(SPD), Pulse counter (PCNT), Pulse counter clear (PCC), Emergency stop (EMR) ,no assignment (no)
	Thermistor input		1 terminal (PTC characteristics)
		Terminals	5 open-collector output terminals, NO/NC switchable, sink logic/source logic switchable 1 relay (1c-contact) output terminal: NO/NC switchable
			Running (RUN), constant-speed reached (FA1), set frequency overreached (FA2), overload notice advance signal (1) (OL), output deviation for PID control
			(OD), alarm signal (AL), set frequency reached (FA3), over-torque (OTQ), instantaneous power failure (IP), undervoltage (UV), torque limited (TRQ),
			operation time over (RNT), plug-in time over (ONT), thermal alarm signal (THM), brake release (BRK), braking error (BER), 0Hz detection signal (ZS),
			speed deviation maximum (DSE), positioning completed (POK), set frequency overreached 2 (FA4), set frequency reached 2 (FA5), overload notice
	Intelligent		advance signal (2) (OL2), PID feedback comparison (FBV), communication line disconnection (NDc), logical operation result 1 (LOG1), logical operation
Output signal	Intelligent	Functions	result 2 (LOG2), logical operation result 3 (LOG3), logical operation result 4 (LOG4), logical operation result 5 (LOG5), logical operation result 6 (LOG6),
Output signal	output terminals		capacitor life warning (WAC)(*11), cooling-fan speed drop (WAF), starting contact signal (FR), heat sink overheat warning (OHF), low-current indication
	output terminals
			signal (LOC), general-purpose output 1 (M01), general-purpose output 2 (M02), general-purpose output 3 (M03), general-purpose output 4 (M04),
			general-purpose output 5 (M05), general-purpose output 6 (M06), inverter ready (IRDY), forward rotation (FWR), reverse rotation (RVR), major failure
			(MJA), window comparator O (WCO), window comparator OI (WCOI), window comparator O2 (WCO2), alarm code 0 to 3 (AC0 to AC3)
		Monitor output	Analog voltage output, analog current output, pulse-string output (e.g., A-F, D-F [n-fold, pulse output only], A, T, V, P)
		terminals
		terminals
Monitoring on display			Output frequency, output current, output torque, frequency conversion data, trip history, input/output terminal status, electric power, and others
			Free V/f setting (7 breakpoints), frequency upper/lower limit, jump (center) frequency, acceleration/deceleration according to characteristic curve, manual
			torque boost level/breakpoint, energy-saving operation, analog meter adjustment, start frequency setting, carrier frequency adjustment, electronic thermal
			function (available also for free setting), external start/end frequency/frequency rate, analog input selection, retry after trip, restart after instantaneous power
Other functions			failure, output of various signals, starting with reduced voltage, overload restriction, initial-value setting, automatic deceleration at power failure, AVR
			function, fuzzy acceleration/deceleration, online/offline auto-tuning, high-torque multi-motor operation(*11) (sensorless vector control of two motors by one
			inverter)
Protective functions			Overcurrent protection, overvoltage protection, undervoltage protection, electronic thermal protection, temperature error protection, instantaneous power
Protective functions			failure protection, phase loss input protection, braking-resistor overload protection, ground-fault current detection at power-on, USP error, external trip,
			emergency stop trip, CT error, communication error, option board error, and others
Environmental	Ambient operating/storage		-10-50˚C(*9) / -20-65˚C / 20-90%RH (No condensation)
Environmental	temperature(*7)/ humidity		-10-50˚C(*9) / -20-65˚C / 20-90%RH (No condensation)
conditions	Location		Altitude 1,000m or less, indoors (no corrosive gases or dust)
	Digital input expansion card		SJ-DG (4digits BCD, 16bits binary)
Options	Feedback expansion card		SJ-FB (vector control loop speed sensor)
Options	Network interface card		SJ-DN2(DeviceNet(TM)), SJ-PBT(PROFIBUS)
	Network interface card		SJ-DN2(DeviceNet(TM)), SJ-PBT(PROFIBUS)
	Others		EMI filters, input/output reactors, radio noize filters, braking resistors, braking units, LCR filter, communication cables

*1: The protection method conforms to JEM 1030.

*2: The applicable motor refers to Hitachi standard 3-phase motor (4-pole).

To use other motors, be sure to prevent the rated motor current (50Hz) from exceeding the rated output current of the inverter.

*3: The output voltage decreases as the main power supply voltage decreases except for the use of AVR function.

*4: Braking resistor is not integrated in the inverter. Please install optional braking resistor or dynamic braking unit when large braking torque is required.

*5: Conforms to the test method specified in JIS C 60068-2-6:2010 (IEC 60068-2-6:2007).

*6: To operate the motor beyond 50/60Hz, please consult with the motor manufacturer about the maximum allowable rotation speed.

*7: Storage temperature refers to the temperature in transportation.

*8: The frequency command is the maximum frequency at 9.8V for input voltage 0 to 10VDC,or at 19.6mA for input current 4 to 20mA.If this characteristic is not satisfactory for your application,contact your Hitachi representative.

*9: SJ700B series is -10 to 45℃.

*10: Please be sure to connect DC reactor attached to 1850HF,2200HF,3150HF and 4000HF.

*11: 1850HF,2200HF,3150HF and 4000HF:The function is not provided.

SJ700B, SJ700 specifications

The Hitachi SJ700 and SJ700B series are renowned variable frequency drives (VFDs) that represent a significant advancement in motor control technology. Designed for industrial applications, these drives offer a versatile solution for managing motor speed, torque, and efficiency in a variety of settings.

One of the main features of the SJ700 and SJ700B series is their compact design. This allows for easy installation and integration into existing systems, which is crucial for minimizing downtime during upgrades or replacements. The drives support multiple mounting orientations, facilitating applications with space constraints.

Another standout characteristic is their advanced control algorithms. The SJ700 series uses vector control technology, which optimizes the performance of both AC and induction motors. This ensures high precision in speed and torque control, making it suitable for processes that require fine adjustments. The drives also feature automatic tuning capabilities, which allow for quick commissioning while minimizing the need for extensive parameter adjustments.

The SJ700 and SJ700B series are designed with energy efficiency in mind. They utilize advanced regenerative braking technology that recovers energy, reducing power consumption and improving overall system efficiency. Furthermore, these drives incorporate energy-saving features that optimize motor operation based on load requirements, contributing to a lower carbon footprint.

These drives come equipped with robust communication capabilities. They support various communication protocols such as Modbus, Profibus, and EtherCAT, making them easily integrable with modern automation systems. This flexibility allows for real-time monitoring and control, enhancing operational visibility and efficiency.

Reliability is another hallmark of the SJ700 series. Built with high-quality components, these drives exhibit excellent thermal management and protection against overvoltage, overload, and short circuits. The SJ700B variant boasts additional features such as enhanced fault diagnostics and improved environmental protection, making it suitable for more demanding applications.

In conclusion, the Hitachi SJ700 and SJ700B series variable frequency drives stand out in terms of compact design, advanced control technologies, energy efficiency, versatile communication options, and robust reliability. These features make them an ideal choice for a wide range of industrial applications, from manufacturing automation to HVAC systems, ensuring optimal performance and cost savings for users.

SPECIFICATIONS