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Inverter Hitachi SJ700 Series



Kitoma Indonesia - Inverter Hitachi SJ700 Series


3-phase 200V 0.4kW - 55kW
3-phase 400V 0.75kW - 400kW

High performance with Many useful Functions and User Friendly.


Hitachi industrial SJ700 Series AC Variable Speed Drives and inverters are the first off-the-shelf units with integral easy sequence programmable functionality (EzSQ) as a standard feature. The SJ700 Series inverters can handle complex applications with ease because of the new Easy Sequence (EzSQ) programming software, precise positioning, and safe stop according to EN954-1. The SJ700 AC Variable Speed Drive is undoubtedly the most powerful in its class.



  • Advanced Sensorless Vector Control and Auto Tuning
  • "Easy Sequence" (EzSQ) software
  • High starting Torque at low speeds (150% at 0.3Hz), Powerful Drive and easy setting
  • Trip avoidance function
  • Programming [EzSQ: Easy Sequence] function
  • Internal Option
  • Ease of Maintenance
  • Long life time components & Life time warning function
  • Easy Operation
  • Network compatibility
  • Global standards
  • Environmental Friendliness
  • Full Vector Control with optional Feedback Board
  • Micro Surge Voltage suppress function
  • Improved and simplified auto-tuning
  • Built-in PLC type programming functions
  • Built in Modbus/RTU communications
  • Ratings:
    • 1/2 hp to 75 hp, 230 V, 3 phase
    • 1 to 600 hp, 460V, 3 phase


Product Range


Applicable motor rating in kW 0.4 0.75 1.5 2.2 3.7 4.0 5.5 7.5 11 15 18.5 22
3-phase 200V LFUF2  
3-phase 400V HFEF2    


Applicable motor rating in kW 30 37 45 55 75 90 110 132 150 185 220 315 400
3-phase 200V LFUF2              
3-phase 400V HFEF2  


Inverter : SJ700 Series : General Specifications


Items General Specifications
Control Control method Line to line sine wave pulse-width modulation (PWM) control
Output frequency range *1 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
Speed fluctuation *2 ±0.5% (sensorless vector control)
Acceleration/deceleration time 0.01-3,600sec. (Linear/curve, accel./decel. selection), Two-stage accel./decel.
Starting Torque 200% at 0.3Hz (Sensorless vector control), 150% at around 0Hz (Sensorless vector control, 0Hz domain with motor one frame size down)
Carrier frequency range 0.5-15.0kHz
DC braking Performs at start: under set frequency at deceleration, via an external input (braking force, time, and operating frequency).
Input signal Frequency
Operator Up and Down keys
External signal *3 DC 0-10V, -10-+10V (input impedance 10kΩ), 4-20mA (input impedance 100Ω)
External port Setting via RS485 communication
Forward /reverse
Start /stop
Operator Start/stop commands (forward/reverse switching by parameter setting)
External signal Forward-operation start/stop commands (reverse-operation start/stop possible when relevant commands are assigned to intelligent input terminals)3-wire
input possible (when relevant commands are assigned to control circuit terminals)
External port Setting via RS485 communication
input terminals
Terminals 8 terminals, NO/NC switchable, sink logic/source logic switchable
Functions 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 protection (USP), commercial power supply witching(CS), software lock (SFT), analog input switching (AT), 3rd motor control (SET3), reset (RS),
starting by 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 (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 (SF6), 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 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)
Output signal Intelligent
output terminals
Terminals 5 open-collector output terminals, NO/NC switchable, sink logic/source logic switchable 1 relay (1c-contact) output terminal: NO/NC switchable
Functions 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), 0 Hz detection signal (ZS),
speed deviation maximum (DSE), positioning completed (POK),
set frequency overreached 2 (FA4), set frequency reached 2 (FA5),
overload notice advance signal (2) (OL2), PID feedback comparison (FBV),
communication line disconnection (NDc), logical operation result 1 (LOG1),
logical operation result 2 (LOG2), logical operation result 3 (LOG3),
logical operation result 4 (LOG4), logical operation result 5 (LOG5)
logical operation result 6 (LOG6), capacitor life warning (WAC),
cooling-fan speed drop (WAF), starting contact signal (FR),
heat sink overheat warning (OHF), low-current indication signal(LOC),
general-purpose output 1 (M01), general-purpose output 2 (M02),
general-purpose output 3 (M03), general-purpose output 4 (M04),
generalpurpose 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)
Monitoring on display Output frequency, output current, output torque, frequency conversion data, trip history, input/output terminal status, electric power, and others
Other functions 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 thermalfunction (available also for free setting),
external start/end frequency/frequency rate, analog input selection, retry after trip,
restart after instantaneous power 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 (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 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
Ambient operating/storage
temperature*4/ humidity
-10-50°C / -20-65°C / 20-90%RH (No condensation)
Location*5 Altitude 1,000m or less, indoors (no corrosive gases or dust)
Options Digital input expansion card SJ-DG (4digits BCD, 16bits binary)
Feedback expansion card SJ-FB (vector control loop speed sensor)
Network interface card SJ-DN(DeviceNetTM), SJ-PBT(PROFIBUSR), SJ-LW(LONWORKSR)
Others EMI filters, input/output reactors, radio noize filters,
braking resistors, braking units, LCR filter, communication cables
  • *1 To operate the motor beyond 50/60Hz, please consult with the motor manufacturer about the maximum allowable rotation speed.
  • *2 As for the range of the speed change, the variation range is different according to the installation situation and the characteristic and the usage condition of the motor. Please inquire about details.
  • *3 The frequency command will equal the maximum frequency at 9.8V for input voltage 0 to 10VDC, or at 19.8mA for input current 4 to 20mA.If this characteristic is not satisfactory for your application, contact your Hitachi sales representative.
  • *4 Storage temperature refers to the temperature in transportation.
  • *5 The density of air decreases by 1% whenever rising by 100m when the altitude exceeds 1000m. Therefore, it is necessary to decrease the calorific value. The calorific value of the main circuit semiconductor such as IGBT is proportional to the current and the voltage. Therefore, please decrease by 1% and use the current rating every time it rises by 100m.Please inquires about use in the high ground of 2500m or more.


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