Inverter Hitachi

Characteristic Hitachi telah mengembangkan Variable Frequency Drives untuk memenuhi bermacam-macam tuntutan aplikasi mulai dari 0, 2kw sampai 150kw. Inverter Hitachi tersedia dalam berbagai macam model dan kontrol vektor tanpa sensor yang canggih, dengan kopel gerak-mula yang tinggi sebesar 200% atau lebih besar pada 0, 5Hz. Inverter SJ200 yang ringkas baru saja diluncurkan di Wilayah Asia yang memiliki fitur yang telah disempurnakan termasuk filter EMI terpasang, keypad yang dapat dilepas dan kontrol terminal, fungsi kontrol yang lebih baik pada kopel gerak-mula yang tinggi sebesar 200% atau lebih besar lagi pada 1 Hz. Inverter Hitachi WJ200 Series 1-phase 100V 0.4kW, 0.75kW 1-phase 200V 0.1 ? 2.2kW 3-phase 200V 0.1 ? 15kW 3-phase 400V 0.4 ? 15kW Specifications Item General Specifications Protective housing * 1 IP20 Control method Sinusoidal Pulse Width Modulation ( PWM) control Carrier frequency 2kHz to 15kHz ( derating required depending on the model) Output frequency range * 4 0.1 to 400Hz Frequency accuracy Digital command: 0.01% of the maximum frequency Analog command: 0.2% of the maximum frequency ( 25 10 ) Frequency setting resolution Digital: 0.01Hz; Analog: max. frequency/ 1000 Volt./ Freq. characteristic V/ f control ( constant torque, reduced torque, free-V/ F) : base freq. 30Hz~ 400Hz adjustable, Sensorless vector control, Closed loop control with motor encoder feedback Overload capacity* 9 Dual rating: CT( Heavy duty) : 60 sec. @ 150% VT( Normal duty) : 60 sec. @ 120% Acceleration/ deceleration time 0.01 to 3600 seconds, linear and S-curve accel/ decel, second accel/ decel setting available Starting torque 200% @ 0.5Hz ( sensorless vector control) DC braking Variable operating frequency, time, and braking force Input signal Freq. setting Operator panel Up and Down keys / Value settings External signal * 6 0 to 10 VDC ( input impedance 10k Ohms) , 4 to 20mA ( input impedance 100 Ohms) , Potentiometer ( 1k to 2k Ohms, 2W) Via network RS485 Modbus RTU, other network option FWD/ Operator panel Run/ Stop ( Forward/ Reverse run change by command) REV run External signal Forward run/ stop, Reverse run/ stop Via network RS485 Modbus RTU, other network option Intelligent input terminal FW ( forward run command) , RV ( reverse run command) , CF1~ CF4 ( multi-stage speed setting) , JG ( jog command) , DB ( external braking) , SET ( set second motor) , 2CH ( 2-stage accel./ decel. command) , FRS ( free run stop command) , EXT ( external trip) , USP ( startup function) , CS ( commercial power switchover) , SFT ( soft lock) , AT ( analog input selection) , RS ( reset) , PTC ( thermistor thermal protection) , STA ( start) , STP ( stop) , F/ R ( forward/ reverse) , PID ( PID disable) , PIDC ( PID reset) , UP ( remote control up function) , DWN ( remote control down function) , UDC ( remote control data clear) , OPE ( operator control) , SF1~ SF7 ( multi-stage speed setting; bit operation) , OLR ( overload restriction) , TL ( torque limit enable) , TRQ1 ( torque limit changeover1) , TRQ2 ( torque limit changeover2) , BOK ( Braking confirmation) , LAC ( LAD cancellation) , PCLR ( position deviation clear) , ADD ( add frequency enable) , F-TM ( force terminal mode) , ATR ( permission of torque command input) , KHC ( Cumulative power clear) , MI1~ MI7 ( general purpose inputs for EzSQ) , AHD ( analog command hold) , CP1~ CP3 ( multistage-position switches) , ORL ( limit signal of zero-return) , ORC ( trigger signal of zero-return) , SPD ( speed/ position changeover) , GS1, GS2 ( STO inputs, safety related signals) , 485 ( Starting communication signal) , PRG ( executing EzSQ program) , HLD ( retain output frequency) , ROK ( permission of run command) , EB ( rotation direction detection of B-phase) , DISP ( display limitation) , NO ( no function) Seven terminals, sink/ source changeable by a short bar 68 functions assignable Output signal Intelligent output terminal RUN ( run signal) , FA1~ FA5 ( frequency arrival signal) , OL, OL2 ( overload advance notice signal) , OD ( PID deviation error signal) , AL ( alarm signal) , OTQ ( over/ under torque threshold) , UV ( under-voltage) , TRQ ( torque limit signal) , RNT ( run time expired) , ONT ( power ON time expired) , THM ( thermal warning) , BRK ( brake release) , BER ( brake error) , ZS ( 0Hz detection) , DSE ( speed deviation excessive) , POK ( positioning completion) , ODc ( analog voltage input disconnection) , OIDc ( analog current input disconnection) , FBV ( PID second stage output) , NDc ( network disconnect detection) , LOG1~ LOG3 ( Logic output signals) , WAC ( capacitor life warning) , WAF ( cooling fan warning) , FR ( starting contact) , OHF ( heat sink overheat warning) , LOC ( Low load) , MO1~ MO3 ( general outputs for EzSQ) , IRDY ( inverter ready) , FWR ( forward operation) , RVR ( reverse operation) , MJA ( major failure) , WCO ( window comparator O) , WCOI ( window comparator OI) , FREF ( frequency command source) , REF ( run command source) , SETM ( second motor in operation) , EDM ( STO ( safe torque off) performance monitor) , OP ( option control signal) , NO ( no function) 48 functions assignable Monitor output ( analog) Output freq., output current, output torque, output voltage, input power, thermal load ratio, LAD freq., heat sink temperature, general output ( EzSQ) Pulse train output [ PWM output] ( 0~ 10Vdc, 32kHz max.) Output freq., output current, output torque, output voltage, input power, thermal load ratio, LAD freq., heat sink temperature, general output ( EzSQ) [ Pulse train output] Output frequency, output current, pulse train input monitor Alarm output contact ON for inverter alarm ( 1c contacts, both normally open or closed available.) Other functions Free-V/ f, manual/ automatic torque boost, output voltage gain adjustment, AVR function, reduced voltage start, motor data selection, auto-tuning, motor stabilization control, reverse running protection, simple position control, simple torque control, torque limiting, automatic carrier frequency reduction, energy saving operation, PID function, non-stop operation at instantaneous power failure, brake control, DC injection braking, dynamic braking ( BRD) , frequency upper and lower limiters, jump frequencies, curve accel and decel ( S, U, inversed U, EL-S) , 16-stage speed profile, fine adjustment of start frequency, accel and decel stop, process jogging, frequency calculation, frequency addition, 2-stage accel/ decel, stop mode selection, start/ end freq., analog input filter, window comparators, input terminal response time, output signal delay/ hold function, rotation direction restriction, stop key selection, software lock, safe stop function, scaling function, display restriction, password function, user parameter, initialization, initial display selection, cooling fan control, warning, trip retry, frequency pull-in restart, frequency matching, overload restriction, over current restriction, DC bus voltage AVR Protective function Over-current, over-voltage, under-voltage, overload, brake resistor overload, CPU error, memory error, external trip, USP error, ground fault detection at power on, temperature error, internal communication error, driver error, thermistor error, brake error, safe stop, overload at low speed, modbus communication error, option error, encoder disconnection, speed excessive, EzSQ command error, EzSQ nesting error, EzSQ execution error, EzSQ user trip Operating environment Temperature Operating ( ambient) : -10 to 40 / Storage: -20 to 65 ( * 7) Humidity 20 to 90% humidity ( non-condensing) Vibration * 8 5.9m/ s2 ( 0.6G) , 10 to 55 Hz Location Altitude 1, 000m or less, indoors ( no corrosive gasses or dust) Coating color Black Options Remote operator unit, cables for the units, braking unit, braking resistor, AC reactor, DC reactor, EMC filter, fieldbus NE-S1 Series 1-phase 200V 0.2 ? 2.2kW 3-phase 200V 0.2 ? 2.2kW Specifications Item Specificattion Enclosure * 4 IP20 Control Control Method PWM Output Frequency Range * 5 0.5 to 400Hz Frequency Resolution * 6 Digital command: 0.01% , Analog command: 0.2% ( 25 10 ) Frequency Setting Resolution Digital: 0.1Hz, Analog: ( max frequency) / 1000 Voltage/ Frequency Characteristics V/ f control, V/ f variable ( constant torque, reduced torque) Overload Capacity 150% for 60 sec. Accel./ Decel. Time 0.00 to 3000 sec. ( linear, sigmoid) , two-stage accel./ decel. Carrier Frequency Range 2.0 to 15.0 kHz Protective Functions Over-current, Over-voltage, Under-voltage, Overload, Overheat, Ground fault at power-on, Input over-voltage, External trip, Memory error, CPU error, USP error, Driver error, Output phase loss protection Input signal Frequency setting External signal* 7 0 to 10 V DC or 4 to 20 mA, RS485 interface ( Modbus RTU) Operator keypad( Option) Up and Down keys / Value settings or analog setting via potentiometer on operator keypad FW/ RV Run Operator Keypad( Option) Run key / Stop key( change FW/ RV by function command) External signal FW Run/ Stop( NO contact) , RV set by terminal assignment( NC/ NO) , 3-wire input available Serial port RS485 interface ( Modbus RTU) Intelligent Input 5 terminals Analog Input 1 terminal( O/ OI terminal: Voltage Input 10bit/ 0 to 10V, Current input : 10bit/ 0 to 20mA