860E-11-15KW Permanent Magnet Synchronous Vfd
The NH860E Series VFD is a general -purpose high-performance vector inverter, mainly used to control and adjust the speed andtorque of three-phase AC synchronous motorsIt adopts a 32-bit DSP chip and integrates core control algorithms such as closed-oop vector control, open-loop vector control and torque control enabling high-performance and high-precision drive control…
The NH860E Series VFD is a general -purpose high-performance vector inverter, mainly used to control and adjust the speed andtorque of three-phase AC synchronous motorsIt adopts a 32-bit DSP chip and integrates core control algorithms such as closed-oop vector control, open-loop vector control and torque control enabling high-performance and high-precision drive control ofpermanent magnet synchronous motors.It delivers high torque output at low speed, with excellent dynamic performance andstrong overload capacity, and supports a variety of PG cards While improving product reliability and environmental adaptability, italso enhances user-friendiness and industry -specific design, resuting in optimized functions,more flexible a pplications and morestable performance. Itis widely applicable to medium -to-high-end applications such as injection molding machines, aircompressors,medium and high-power servo systems, CNC machining centers, hoisting equipment and textile machinery
Open – loop and closed loop vector control for permanent – magnet synchronous motors
Supports various encoders: ABZ incremental, UVW incremental and resolver
Wide voltage input, automatic output voltage regulation (AVR), non – stop operation during momentary power loss with stronger adaptability
Supports various frequency setting methods: digital setting, analog quantity setting, PID setting,
RS485 communication setting
Smooth start – up and stable operation, with speed tracking function
Can share the DC bus to save energy
A Low noise and strong anti – interference ability
Strong overload capacity, 150% of the rated torque can operate for 60 seconds
Built – in advanced PID algorithm, with fast response, strong adaptability and easy debugging
A16 – step speed control simple PLC to achieve multi – function logic control such as timing, constant – speed and directional control
A Multiple protection functions: over – voltage, over – current, overload, over – heat, etc
Supports LCD panel display and operation in Chinese and English
Supports Profibus – DP and MODBUS communication
Structurally adopts an independent air duct design, the fan can be freely disassembled, with good heat dissipation performance
| Item | Specification | |
| Control characteristics | Output frequency | 0 – 500HZ |
| Carrier frequency | 0.8kHz ~ 12kHz. The carrier frequency can be automatically adjusted according to the load characteristics. | |
| Output frequency resolution | Digital setting: 0.01Hz | |
| Analog setting: Maximum frequency × 0.025% | ||
| Control mode | Open – loop vector control (SVC) V/F control Closed – loop vector control (FVC) |
|
| Torque characteristics | With torque compensation and slip compensation, the starting torque can reach 150% at 0.25Hz (SVC) | |
| Torque control accuracy | SVC: Above 5Hz ± 5% FVC: ± 3% | |
| Over-voltage and over-current stall prevention protection | Automatically limit the voltage and current during use to prevent frequent over – voltage and over – current tripping | |
| Speed regulation range | 1:200 (SVC) 1:1000 (FVC) | |
| Speed stabilization accuracy | ±0.5% (SVC) ±0.02% (FVC) | |
| Overload capacity | 150% of the rated output current for one minute | |
| V/F curve | Four modes: linear; multi – point; complete V/f separation; incomplete V/f separation | |
| Acceleration and deceleration curve | Linear or S – curve acceleration and deceleration modes; four acceleration and deceleration times; acceleration and deceleration time range 0.1 ~ 6500.0s |
|
| DC braking | DC braking frequency: 0.00Hz ~ maximum frequency. Braking time: 0.0s ~ 36.0s, braking action current value: 0.0% ~ 100.0% | |
| Jog control | Jog frequency range: 0.00Hz ~ maximum frequency; jog acceleration and deceleration time 0.1s ~ 6500.0s | |
| Simple PLC, multi-step speed operation | Up to 16 – step speed operation can be achieved through the built – in PLC or control terminals | |
| Built – in PID | It can easily realize the process – control closed – loop control system | |
| Automatic voltage regulation (AVR) | When the grid voltage changes, it can automatically maintain a constant output voltage | |
| Fast current – limiting function | Minimize over – current faults to the greatest extent and protect the normal operation of the frequency converter | |
| Operating characteristics | Operating command channel | Three channels: given by the operation panel, given by the control terminals, given by the serial communication port. It can be switched in various ways |
| Frequency source | Ten frequency sources: given by panel knob, given by operation panel, given by analog voltage, given by analog current, given by RS485 communication, multi – speed, PID, simple PLC, which can be switched in various ways | |
| Auxiliary frequency source | Ten auxiliary frequency sources. It can flexibly achieve auxiliary frequency fine – tuning and frequency synthesis | |
| Input terminals | Five digital input terminals, one of which can be used as a high – speed pulse input. Two analog input channels, AI1: input range 0 ~ +10V, AI2: input range 0 ~ +10V/0 – 20mA |
|
| Output terminals | One high – speed pulse output terminal, capable of outputting a square – wave signal from 0kHz ~ 50kHz, which can realize the output of physical quantities such as set frequency and output frequency. It can be selected as open – drain type One digital output terminal One relay output terminal Two analog output terminals: 0V ~ 10V/0 – 20mA, which can indicate the output of output frequency/current/voltage/frequency command/rotational speed/power factor signals |
|
| Display and keyboard operation | LED display | It is equipped with 8 function keys, a 5 – digit 7 – segment LED, and 5 status LED indicators It can perform forward rotation, reverse rotation, reset, stop, jog, as well as parameter setting and display |
| Protectioncharacteristics | Protection function | Motor short – circuit detection upon power – on, input and output phase – loss protection, over – current protection, over – voltage protection, under – voltage protection, over – heat protection, overload protection, short – circuit protection, etc |
| Othercharacteristics | Optional card | IO expansion card, communication card (isolated type), PG card |
| Multi – encoder support | Supports differential, open – drain, UVW, resolver | |
| Environment | Application place | Indoors, not directly exposed to sunlight, free from dust, corrosive gases, flammable gases, oil mist, water vapor, dripping water or salt, etc |
| Altitude | Less than 1000m | |
| Ambient humidity | – 10℃ ~ + 40℃ (When the ambient temperature is between 40℃ ~ 50℃, derating operation is required) | |
| Humidity | Less than 95%RH, without water droplet condensation | |
| Vibration | Less than 5.9m/s² (0.6g) | |
| Storage temperature | – 20℃ ~ + 60℃ | |
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