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WSS MZ3000 series AC VFD
WSS MZ3000 Series – Special for air compressor
-The inverter uses metal structure, support both floor & wall mounting
– It can embed the appliance of air compressor directly and do not need the electric control cabinet
– Intergrated the inverter, HMI, compressor controller, PTC/PT100 input, phase detector, fan control, fuse and transformer
– The integrative MZ3000 inverter can supports both synchronous and asynchronous motor
Description
Features and advantage
• Small size, each of installation
• Stable operation, decreasing the times of repair
• Avoiding the loss on unnecessary power
• Controlling system of colorful touching screen
• A wider range of working frequency and low noise
• Control of the high-efficient permanent-magnet motor, save the energy
Technical specification
Item |
specification |
||
| Basic control functions | Control mode | Open loop and vector control V / F control | |
| Maximum frequency | Open loop and vector control: 0~500 Hz V / F control | ||
| Carrier frequency | Digital setting: 0.01Hz, the carrier frequency is automatically adjusted based on the load features | ||
| Input frequency esolution | Digital setting: 0.01Hz Analog setting: maximum frequency is x 0.025% | ||
| Startup torque | 0.5 Hz/150% | ||
| Speed range | 1:100 | ||
| Speed stability accuracy | ± 0.2% (SFVC) | ||
| Torque control accuracy | ± 10% | ||
| Overload capacity | 60s for 150% of the rated current, 3s for 180% of the rated current | ||
| Torque boost | Fixed boost; Customized boost 0.1%-30.0% | ||
| V/F curve | Straight-line V/F curve Multi-point V/F curve N-power V/F curve (1.2-power, 1.4-power, 1.6-power, 1.8-power, square) | ||
| V/F separation | two types: complete separation; half separation | ||
| Ramp mode | Straight-line ramp; S-curve ramp; Four groups of acceleration/deceleration time with the range of 0.0 – 6500.0s | ||
| Communication methods | RS485 | ||
| JOG control | JOG frequency range: 0.00 – 50.00Hz JOG acceleration/deceleration time: 0.0 – 6500.0s | ||
| Onboard multiple preset speeds | It implements up to 16 speeds via the simple PLC function or combination of X terminal states | ||
| Built-in PID | It realized process-controlled closed loop control system easily. | ||
| Auto voltage regulation (AVR) | It can keep constant output voltage automatically when the mains voltage changes. | ||
| Frequency source | Digital setting | ||
| Input and output interfaces | Analog Input | 2 pressure sensor: 4~20mA input; 2 temperature sensor: PT100 | |
| Digital Input | 5 digital input; 1 PTC circuit protection (compatible with normal digital inputs) | ||
| Digital Output | 2 normally open relay output (built 220VAC voltage) | ||
| LED diode display | Standard 3 LED display | ||
| Protection | Motor overhead protection (PTC), the power-to-ground short-circuit protection, inverter’s protection in over-current, overload, over voltage, under voltage, over temperature, output phase, communication fault, fault current detection, EEPROM write failure and so on | ||
| Fan Drive | 15-55kW master drive: 1.5kW 75-160kW master drive: 2.2kW | ||
