NZ200 Series Simple Vector Control Inverter
Product Introduction
- Open-loop vector control and VF control,Vector control mode outputs a maximum of 600Hz；
-Supports permanent magnet synchronous motors, which are commonly used in compressors；
- Simple structure, compact size, easy to install;
- Pull out LED keypad optional；
- Standard supports MODBUS via RS485, Maintenance-free; MODBUS RTU;
- Protection function: Output phase loss protection; Over-current protection, Over-voltage protection,Over-load protection, Over-heat protection etc;
- Supports built-in PID controller, which can directly achieve process control such as constant pressure water supply and temperature closed-loop control;
- The output power is automatically adjusted according to the load, and the actual energy savings rate in the application of fans and pumps is up to 20% - 35%;
- Overload capacity is 60s for 150% of rate current,3s for 180% of rate current;
- Braking unit remarks:
220V 0.4-1.5KW and 380v 0.4-2.2KW without braking unit;
220V 2.2-3.7KW, 380V 3.7-37K, built-in braking unit.
380V 45-630KW, with optional equipped built-in or external braking units.
- 220V 0.4-7.5KW 380V 0.4-630KW
Product Specification
| Item | Specification |
| Maximum frequency | Vector control: The standard defaults to 0-599Hz. VF control can reach 0-3200Hz |
| Carrier frequency | 0.5kHz to 16kHz The carrier frequency can be automatically adjusted according to the load characteristics. |
| Input frequency resolution | Digital setting: 0.01Hz Simulation setting: Maximum frequency ×0.025% |
| Control mode | Open-loop vector control and VF control |
| Starting torque | G-type machine: 0.5Hz/150% (without PG) P-type machine: 0.5Hz/100% |
| Speed regulation range | 1:100（No PG） |
| Speed stability accuracy | ±0.5%（No PG） |
| Torque control accuracy | ±5%(FVC) |
| Overload capacity | G-type: 150% rated current for 60 seconds 180% rated current for 3 seconds. P-type: 120% rated current for 60 seconds; 150% rated current for 3 seconds. |
| Torque boost | Automatic torque boost The manual torque is increased by 0.1% to 30.0% |
| V/F curve | Three types of V/F curves: Linear type; Multi-point type; Power-law type (1.2 power, 1.4 power, 1.6 power, 1.8 power, 2 power) |
| V/F separation | Complete separation and half separation |
| Acceleration and deceleration curve | Linear or S-curve acceleration and deceleration mode. There are four acceleration and deceleration times, with the acceleration and deceleration time range being 0.0 to 6500.0 seconds |
| Dc braking | Dc braking frequency: 0.00Hz to maximum frequency; Braking time: 0.0s to 100.0s Braking action current value: 0.0% - 100.0% |
| Jog control | Jog frequency range：0.00Hz to maximum frequency (P0.12) JOG acceleration/deceleration time: 0.0-6500.0s |
| Simple PLC, multi-speed operation | It can operate at a maximum speed of 16 segments through the built-in PLC or control terminals |
| Build-in PID | It can conveniently realize a closed-loop control system for process control |
| Automatic Voltage Regulation (AVR) | When the grid voltage changes, it can automatically maintain a constant output voltage |
| Over voltage and overflow rate control | Automatically limit the current and voltage during operation to prevent frequent over current and over voltage tripping |
| Rapid current limit | Minimize over current faults to the greatest extent and protect the normal operation of the vfd |
| Torque limitation and control | Automatically limit the torque during operation to prevent frequent over current tripping |
| Instant stop but no-stop protect function | When there is a sudden power outage, the voltage drop is compensated by the load feedback energy to maintain the continuous operation of the frequency inverter for a short period of time |
| Timing control | Timing control function: Set the time range from 0.0Min to 6500.0Min |
| Communication control method | Via RS485 |
| Command source | The operation panel given, the control terminal given, and the serial communication port given. It can be switched in multiple ways |
| Frequency source | Ten frequency sources: digital given, analog voltage given, analog current given, pulse given, serial port given. It can be switched in multiple ways |
| Input terminal | 37kW and below: Four digital input terminals; One analog input terminal, supporting 0 ~ 10V voltage input or 4 ~ 20mA Current Input (AVI) 45kW and above: Six digital input terminals, among which one supports high-speed pulse input up to 100kHz (optional for S3); There are two analog input terminals. One only supports 0-10V voltage input (FIV), and the other supports 0-10V voltage input or 4-20mA current input (FIC). |
| Output terminal | 37kW and below: One relay output terminal (RA, RC); 45kW and above: 1 digital output terminal (MO1) One relay output terminal (RA, RB, RC) One analog output terminal, supporting 0 ~ 20mA current output or 0 ~ 10V voltage output (FOV) |
| LED display | Display parameters |
| Key locking and function selection | It realizes partial or full locking of the keys and defines the action range of some keys to prevent misoperation |
| Protection function | Power-on motor short circuit detection, input and output phase loss protection, overcurrent protection, overvoltage protection, undervoltage protection, overheat protection, overload protection, etc |
Model specification
| Model | Rated out put power/kW | Rated input current/A | Rated output current/A | Application motor/kW |
| 1PH 220V AC±15% | ||||
| NZ200-0R4G-2 | 0.4 | 5.4 | 2.1 | 0.4 |
| NZ200-0R75G-2 | 0.75 | 7.2 | 3.8 | 0.75 |
| NZ200-1R5G-2 | 1.5 | 10.0 | 7.2 | 1.5 |
| NZ200-2R2G-2 | 2.2 | 16 | 9 | 2.2 |
| NZ200-3R7G-2 | 3.7 | 24 | 16.5 | 3.7 |
| 3PH 380V AC±15% | ||||
| NZ200-0R4G-4 | 0.4 | 3.4 | 1.2 | 0.4 |
| NZ200-0R75G-4 | 0.75 | 3.8 | 2.1 | 0.75 |
| NZ200-1R5G-4 | 1.5 | 5.0 | 3.8 | 1.5 |
| NZ200-2R2G-4 | 2.2 | 5.8 | 5.1 | 2.2 |
| NZ200-3R7G/5R5P-4 | 3.7/5.5 | 10/15 | 9/13 | 3.7/5.5 |
| NZ200-5R5G/7R5P-4 | 5.5/7.5 | 15/20 | 13/17 | 5.5/7.5 |
| NZ200-7R5G/11P-4 | 7.5/11 | 20/26 | 17/25 | 7.5/11 |
| NZ200-11G/15P-4 | 11/15 | 26/35 | 25/32 | 11/15 |
| NZ200-15G/18.5P-4 | 15/18.5 | 35/38 | 32/37 | 15/18.5 |
| NZ200-18.5G/22P-4 | 18.5/22 | 38/46 | 37/45 | 18.5/22 |
| NZ200-22G/30P-4 | 22/30 | 46/62 | 45/60 | 22/30 |
| NZ200-30G/37P-4 | 30/37 | 62/76 | 60/75 | 30/37 |
| NZ200-37G/45P-4 | 37/45 | 76/92 | 75/90 | 37/45 |
| NZ200-45G/55P-4 | 45/55 | 92/113 | 90/110 | 45/55 |
| NZ200-55G-4 | 55 | 113 | 110 | 55 |
| NZ200-75P-4 | 75 | 157 | 150 | 75 |
| NZ200-75G/90P-4 | 75/90 | 157/180 | 150/176 | 75/90 |
| NZ200-90G/110P-4 | 90/110 | 180/214 | 176/210 | 90/110 |
| NZ200-110G/132P-4 | 110/132 | 214/256 | 210/253 | 110/132 |
| NZ200-132G/160P-4 | 132/160 | 256/307 | 253/300 | 132/160 |
| NZ200-160G/185P-4 | 160/185 | 307/355 | 300/340 | 160/185 |
| NZ200-185G/200P-4 | 185/200 | 355/385 | 340/380 | 185/200 |
| NZ200-200G/220P-4 | 200/220 | 385/430 | 380/420 | 200/220 |
| NZ200-220G/250P-4 | 220/250 | 430/475 | 420/470 | 220/250 |
| NZ200-250G/280P-4 | 250/280 | 475/525 | 470/520 | 250/280 |
| NZ200-280G/315P-4 | 280/315 | 525/610 | 520/600 | 280/315 |
| NZ200-315G/350P-4 | 315/350 | 610/655 | 600/640 | 315/350 |
| NZ200-350G/400P-4 | 350/400 | 665/70 | 640/690 | 350/400 |
| NZ200-400G/450P-4 | 400/450 | 700/800 | 690/790 | 400/450 |
| NZ200-450G/500P-4 | 450/500 | 800/865 | 790/860 | 450/500 |
| NZ200-500G/560P-4 | 500/560 | 865/960 | 860/950 | 550/560 |
| NZ200-560G/630P-4 | 560/630 | 960/1112 | 950/1100 | 560/630 |
| NZ200-630G-4 | 630 | 1112 | 1100 | 630 |
| NZ200-710P-4 | 710 | 1290 | 1280 | 710 |
Application
Suitable for scenarios with low precision requirements and light-duty vector control, such as textile equipment, fans and water pumps, air compressors, packaging machines, food machinery, wire drawing machines, centrifuges, lathes and other equipment. It is also applicable to V/F control occasions with low load requirements, or occasions where one VFD drives multiple motors.
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