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发布时间: 2018 - 04 - 11
Technical features:1. Wide voltage range inputPower voltage: -15% - 10%, 47 Hz - 63 Hz; provided with under-voltage underclocking output function that extends the applicable range of power voltage to -30% (e.g. extending the applicable range of a 380 V VFD to 266 V - 440 V); 2. High disturbance resistance Pulse group tests: ± 4,800 VStatic (air discharge): 8,000 VStatic (contact discharge): 6,000 VProvided with EMI circuit + lightning protection design3. Phase-phase and phase-to-earth short circuit protectionAny phase-phase short circuit protection 4. Anti-corrosion treatment8 µm nickel plating, and three layers of British conformal coating for key parts;5. Power source of control signals:  External power supply of +10 V and +24 V, both provided with shor...
发布时间: 2015 - 09 - 16
Technical features> Provided with an open-loop vector control permanent magnet synchronous motor, easy to wire and highly accurate in revs control, reducing on-site faults; > High dynamic responses, rapidly responding to the given value of speed while guaranteeing the stability of output revs, which allows the system to catch up with the load changes timely, thus increasing the operation efficiency of the system;> Premium overcurrent and overvoltage resistance;> The oscilloscope function of the background monitoring software monitors the real-time operation status of the VFDs for on-site commissioning;> Parameter copying function of the keyboard;> The PWM overmodulation improves the utilization of busbar voltage and increases the output voltage of VFDs, hence is applicable to cases in...
发布时间: 2015 - 05 - 20
Technical features          1. So compact with a width, height and depth of 8.6 cm, 14.5 cm and 12 cm respectively only;       2. The panel supports external access that allow copying of parameters;       3. The standard RS485 interface constitutes an independent VFD network, making it possible to set the VFD as a master or slave for master-slave control;       4. Impulse/analog input and output channels;       5. 16 segments of speed control;       6. Multiple setting channels for running frequency/commands;       7. Provided with output terminals for disconnecting relays,...
发布时间: 2015 - 07 - 14
Technical features Unique suitability to applications that require waterproofing and dust-proofing or that are of serious pollution;> Unique metal enclosure for perfect heat dissipation;> Employing advanced surface powder coating process to provide select color and an elegant appearance;> Phosphorized metal plates provide good anti-rust and -corrosion performance;> Provided with IP54 fans for steady and reliable performance;> Input voltage: 3 AC 380 V ± 15%;> Input frequency: 47 - 63 Hz; power factor: ≥95%;> Control methods: Non-PG vector control and V/F control, where for V/F control, three profiles, i.e. straight line, polyline and multiple power, are available; > Running commands source: given through panels, terminals and RS485 communication;> Frequency giving source: given t...
发布时间: 2015 - 05 - 20
Technical features> Fast response and high starting torque: for better vibration control on starting;> Low torque ripple for more stable running;> Compact structure design and optional built-in braking units (for 30 kW and lower, braking units of standard configuration);> High overload resistance (3 s for 200% of rated loads). Perfect overvoltage suppression when applied in a punching machine;> Smart commissioning: smart setting of V/F profile that doesn’t need professionals for complex commissioning, saving manpower and time;> Compatible with synchronous motors: significantly conserves energy if combined with synchronous motors. Consumes the least power in case of equivalent unit torque;> Convenient human–machine interaction, real-time monitoring of key parameters, and LED + LCD dual-disp...
发布时间: 2015 - 05 - 20
Technical features       1.2.1 Employs high-performance current vector control, making it possible for induction motors to start with high torque.       V/F control:      1 Hz 150% torque (speed regulation range 60:1)      Open-loop vector control:  0.5 Hz 150% torque (speed regulation range 100:1)       Closed-loop vector control:  0 Hz 180% torque (speed regulation range 1,000:1)1.2.2 Various parameter adjustment modes  Static self-adjustment: best suitable to the commissioning where motors are connected with handling machines;  Rotating self-adjustment: best suitable applications where...
发布时间: 2015 - 04 - 16
Technical parametersInstructions of keyboard indicator lamps Indicator lampsNameMeaningUnit indicationHzFrequency indicator lampThe unit of currently displayed parameter is Hz (Hertz).ACurrent indicator lampThe unit of currently displayed parameter is A (Ampere).VVoltage indicator lampThe unit of currently displayed parameter is V (volt).Hz + ARevs indicator lampThe unit of currently displayed parameter is R/MIN (revolution/min).A + VPercentage indicator lampsThe unit of currently displayed parameter is % (percent).Hz + VMPa indicator lampsThe unit of currently displayed parameter is MPa (mega Pascal).Status indication(MON)Indicator lamps of command sourceOff: controlled through the keyboard.  On: controlled through the terminals.  Flashing: controlled through...
发布时间: 2015 - 05 - 20
Technical features  1. Usable under large grid fluctuation;  2. Provided with protection functions such as short circuit, low voltage, overvoltage, quick-acting fuses, overheating, etc.;  3. The braking IGBTs are ensured to work within the saturation zone.  Technical parametersModel:   CDBU300-XXXA-4 seriesFor VFDsAC power supply380 VPower0.75 kW - aboveOutput featuresMax. braking currentRefer to particular models.Activated voltage of braking690 V ± 10 VHysteretic voltage670 V ± 10 VPower supplyU (p+_p-)350 V - 800 VProtectionElectronic thermal relaysIn case of the temperature of cooling fins of the braking unit exceeds 85 °C, the protection is activated, the braking unit stops braking, and the malfunction indicator lamp ligh...
发布时间: 2015 - 04 - 09
Technical features     1.  Proprietary kernel encryption          • Proprietary new PLC encryption, eradicating any possibility of cracking.          • Multiple password protection, protecting users’ programs from malicious cracking.     2.  High-speed input          • 6 channels of high-speed counter, 2 channels 200 k + 4 channels 10 k.          • 2 channels of AB phase signal input, multiple settings.          • Built-in 32-digit high-speed comparators.          • Starts when co...
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