| | 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 |
| | | 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 |
| | | External signal*8 | DC 0-10V, -10-+10V (input impedance 10kΩ), 4-20mA (input impedance 100Ω) |
| | setting | |
| | | External port | Setting via RS485 communication |
| | | |
| | Forward /reverse | | 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 |
| | Start /stop | | input possible (when relevant commands are assigned to control circuit terminals) |
| | | |
| | | | 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 |
| | | | 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), |
| | | 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 | | 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 | | 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 terminals | | | capacitor life warning (WAC)(*11), 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), |
| | | | | 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 |
| | | | |
| 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 |
| | 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) |
| temperature(*7)/ humidity |
| 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) |
| 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 |
General Specifications