Engineered for extreme environments and precision control, the ZK600 series delivers unmatched reliability and energy efficiency for demanding industrial applications.
ZK600 Series General Purpose Variable Frequency Drive Overview
ZK600 series is a high-performance, compact, and reliable general-purpose variable frequency drive (VFD) designed for three-phase asynchronous motors. It supports open-loop vector control (SVC) and traditional V/F control, delivering excellent speed regulation, torque response, and energy efficiency. Whether you need to control pumps, fans, conveyors, compressors, or other industrial machinery, the ZK600 series provides stable and precise motor control.
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Core Functions and Advantages of Variable Frequency Drives (VFDs)
As a core control device in modern industrial automation, VFDs excel in enhancing system stability, reducing energy consumption, and optimizing production efficiency by precisely regulating motor operating parameters. Key advantages include:
I. Precise Control for Diverse Process Requirements
Dynamic Parameter Optimization: Automatically matches optimal speed and torque based on production programs and process requirements, significantly improving system stability and reliability. Achieves three core goals: energy saving, enhanced production efficiency, and improved product quality.
High-Precision Multi-Dimensional Control: Supports high-precision torque, speed, and position closed-loop control, meeting stringent demands in precision machining, automated production lines, and high-end equipment.
II. Soft Start/Stop for Extended Equipment Life
Customizable Acceleration/Deceleration: Allows flexible configuration of acceleration/deceleration time (from 0.1 seconds to hours), enabling smooth motor start-up and shutdown. Reduces mechanical shock, minimizes equipment wear, and extends the lifespan of motors, transmission systems, and entire production lines.
Reduced Starting Current for Grid and Equipment Protection: Direct grid start-up draws 5–7 times the motor’s rated current, causing grid fluctuations and overload risks. VFD start-up strictly limits current to within 2 times the rated current, avoiding grid surges, reducing motor heat generation, and lowering failure rates.
III. High-Frequency Efficiency, Breaking Traditional Motor Limits
Drive Ultra-High-Speed Motors: Under grid frequency, ordinary motors max out at 3000rpm (50Hz) or 3600rpm (60Hz). VFDs easily drive tens of thousands of RPM high-speed motors, suitable for precision machining, high-speed packaging, and textile applications.
Support High-Frequency Motor Operation: Enables efficient and stable operation of high-frequency motors, meeting high-speed, high-response demands in special working conditions.
IV. Simplified Control and Reduced O&M Costs
Contactless Forward/Reverse Control: Achieves motor forward/reverse switching without additional contactors, reducing electrical components, lowering maintenance frequency, and avoiding secondary electrical shocks for enhanced system safety.
Convenient Electrical Braking: Supports multiple braking modes (energy consumption braking, regenerative braking), quickly absorbing motor inertial energy, shortening stoppage time, and improving production cycle efficiency.
Frequent Start/Stop Adaptation: Designed for frequent start/stop scenarios, enabling fast acceleration/deceleration with low current. Reduces motor temperature rise, ideal for automated sorting, logistics transmission, and intermittent production.
Through precise control, energy efficiency, simplified O&M, and performance boundary breakthroughs, VFDs have become a key device for industrial automation upgrades. Widely applied in machinery manufacturing, metallurgy/mining, chemical/cement, water treatment, textile/printing, and packaging/logistics sectors, they empower enterprises to achieve intelligent production, low-carbon energy saving, and efficient O&M transformation.
ZK600 Series Variable Frequency Drive Technical Specifications
| Input and Output Characteristics | Rated Input Voltage | 200V Voltage Level: Single/Three-phase 220VAC |
| 400V Voltage Level: Three-phase 380VAC voltage, continuous fluctuation ±10%, short-term fluctuation -15%～+10% | ||
| Rated input frequency | 50Hz/60Hz±5% | |
| Output voltage | 3-phase: 0~rated input voltage, error less than ±3% | |
| Output frequency | 0.00~500.00Hz, unit 0.01Hz | |
| Overload capacity | 150% 1 minute; 180% 10 seconds; 200% 0.5 seconds | |
| Operation control characteristics | Control method | V/f control |
| PG-less vector control (SVC) | ||
| Speed control range | 1: 100 (V/f) | |
| 1: 200 (SVC) | ||
| Speed control accuracy | ±0.5% (V/f control) | |
| ±0.2% (SVC) | ||
| Speed fluctuation | ±0.3% (SVC) | |
| Torque response | <10ms (SVC) | |
| Starting torque | 0.5Hz: 180% (V/f, SVC) | |
| 0.25Hz: 180% (SVC) | ||
| Basic functions | V/F curve | Three methods: linear type; multi-point type; Nth power type V/F curve |
| V/F separation | Two methods: full separation, half separation | |
| Acceleration /deceleration curve | Linear or S-curve acceleration/deceleration method; four acceleration/deceleration times; acceleration/deceleration time range 0.0~60000s | |
| Basic functions | DC braking | DC braking frequency: 0.00Hz~maximum frequency, braking time: 0.0s~30.0s, braking action current value: 0.0%~100.0% |
| Jog control | Jog frequency range: 0.00Hz~50.00Hz; jog acceleration/deceleration time 0.0s~60000s | |
| Simple PLC, multi-speed operation | Up to 16-speed operation can be achieved through built-in PLC or control terminals | |
| Built-in PID | Convenient implementation of process control closed-loop control system | |
| Automatic voltage regulation (AVR) | When the grid voltage changes, it can automatically maintain a constant output voltage | |
| Overvoltage and overcurrent stall control | ||
| Fast current limiting function | ||
| Automatic limitation of current and voltage during operation to prevent frequent overcurrent and overvoltage tripping | ||
| Maximum reduction of overcurrent faults to protect normal product operation | ||
| Torque limitation and control | Automatic limitation of torque during operation to prevent frequent overcurrent tripping | |
| Input terminals | Five switch input terminals, where X5 can be used as a high-speed pulse input. Supports active open-collector NPN, PNP and dry contact input methods, two analog input terminals, one for voltage/current input selection, one for voltage input | |
| Output terminals | One high-speed pulse output terminal, 0~50kHz square wave signal output, can realize output of set frequency, output frequency and other physical quantities, one switch output terminal, one set of relay output terminals | |
| One analog output terminal, voltage/current output selectable, can realize output of set frequency, output frequency and other physical quantities | ||
| Special functions | Various main and auxiliary setpoints and switching, speed search, multiple acceleration/deceleration curve selections, brake control, up to 16-speed operation support (two-speed support flexible frequency setpoint methods), frequency modulation control operation, fixed-length control, counting function, over-excitation braking, overvoltage stall, undervoltage stall, power failure restart, frequency jump, frequency binding, four acceleration/deceleration time free switching, motor temperature protection, flexible fan control, process PID control, simple PLC, droop control, parameter identification, demagnetization control, high-precision torque limitation, V/f separation control | |
| Protection functions | Power-on motor short-circuit detection, overcurrent protection, overvoltage protection, undervoltage protection, overheat protection, overload protection, etc. | |
| Environment | Place of use | Indoor, not exposed to direct sunlight, free from dust, corrosive gases, flammable gases, oil mist, water vapor, dripping water, or salt |
| Altitude | Derated usage above 1000 meters altitude. For every 100 meters increase, the rated output current will be reduced by 1% | |
| Ambient temperature | -10℃~40℃, derated usage between 40℃~50℃, for every 1℃ increase, the rated output current decreases by 1% | |
| Humidity | 5%～95%, condensation is not allowed | |
| Vibration | Less than 5.9 m/s2 (0.6g) | |
| Storage temperature | -20℃~+60℃ | |
| Others | Installation method | Wall-mounted |
| Protection rating | IP20 | |
| Cooling method | Forced air cooling | |
ZK600 Series Variable Frequency Drive Wiring Diagram
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