NIETZ NZ8000 series 7.5/11 kW three phase VFD ; NZ8400-7R5G/11P
Variable freqency drive NZ8400-7R5G/11P , three phase, output power 7.5kW for G type (constant torque) or 11kW for P type (variable torque) , output current 17/25A....
VAT-exclusive price: 47.308,16 |
VAT-inclusive price: 56.769,79 |
Variable freqency drive NZ8400-7R5G/11P, three phase, output power 7.5kW for G type (constant torque) or 11kW for P type (variable torque) , output current 17/25A. IP20 protection
High performance variable frequency drive , NZ8000 series from NIETZ. It can drive variety of motors : Synchronous motor, Induction motor, high-spindle motor, AC servo motor. Robust, reliable, made of high quality materials and tested in bad conditions.
Available power range :
Single phase input : 0.75-3.7kW
Three phase input : 0.75-630kW
Features:
High performance variable frequency drive , NZ8000 series from NIETZ. It can drive variety of motors : Synchronous motor, Induction motor, high-spindle motor, AC servo motor. Robust, reliable, made of high quality materials and tested in bad conditions.
Available power range :
Single phase input : 0.75-3.7kW
Three phase input : 0.75-630kW
Features:
- Open loop vector control
- Closed loop vector control
- High speed and torque control accuracy
- Multi-speed and simple PLC setting
- Integrated PID
- Support for multiple option card
- Integrated Modbus RTU, Profibus-DP optional, CANopen optional
- LED display
- Up to 16 preset speeds
- High torque at low speeds
| item | NZ8000 |
| Control mode |
V/f control: Sensorless flux vector control (SFVC) ; Closed-loop vector control ( CLVC) |
| Maximum frequency |
Vector control : 0-320Hz V/f control : 0-3200Hz |
| Switching frequency | 1.0-16.0 kHz |
| Input frequency resolution | Digital setting : 0.01Hz/ Analog setting: 0.025% of maximum frequency |
| Startup torque |
G type : 0.5Hz/150% (SFVC);0Hz/180% (CLVC) P type : 0.5Hz/100% |
| Speed range | 1:100 (SFVC) / 1 : 1000 ( CLVC) |
| Speed stability accuracy | ±0.5% (SFVC) / ±0.02%(CLVC) |
| Torque control accuracy | ±5% (CLVC) |
| Overload capacity |
G type : 150% for 60s ; 180% for 3s P type: 120 % for 60s ; 150% for 3s |
| Torque boost | Auto boost/ Customized boost 0.1%-30.0% |
| V/f curve | Adjustable |
| V/f separation |
Half separation Complete separation |
| Ramp mode | Straight line ramp; S-curve ramp |
| DC braking | Yes |
| Jog control |
Jog frequency range : 0-50Hz Jog acc/dec time : 0-6500.0s |
| Onboard PID | It realizes process controlled closed loop control system easily |
| Auto voltage regulation | It can keep constant output voltage automatically when the mains voltage changes |
| Overvoltage/Overcurrent | The current and voltage are limited automatically during the running process so as to avoid frequent tripping due to overvoltage/over current |
| Torque limit and control | It can limit the torque automatically and prevent frequent over current tripping during the running process. Torque control can be implemented in the CLVC mode |
| Support for multiple PG card | Support for differente PG card |
| Power dip ride through | The load feedback energy compensates the voltage reduction so that the AC drive can continue to run a short time |
| Rapid current limit | It helps to avoid frequent over current failures |
| High performance | Control of asynchronous motor and synchronous motor are implemented through the high performance current vector control technology |
| Timing control | 0.0-6500.0minutes |
| Communication protocol |
Modbus RTu( standard) , Profibus-DP (optional) Canopen(optional) |
| Protection mode | Output short circuit detection at power on, input/output phase loss, over current , over voltage, under voltage, overheat, overload |
| Input terminals | 8 digital input terminals, one of which supports up to 100kHz high speed pulse input. 2 analog input terminals, one of which only supports 0-10V voltage input and the other supports 4-20mA and 0-10V. |
| Frequency source | Digital setting, analog setting, pulse setting, serial communication setting |
| Auxiliary frequency source | 10 |
| Running command source | Operation panel/Control terminals/Serial communication port |
| Output terminal | 1 high speed pulse output terminal (open-collector) that supports 0-100kHz sqare wave signal output. 1 digital output terminal ; 2 relay output terminals ; 2 analog output terminals |
| LED display | It displays the parameters |
| Key locking and function selection | It can locks the keys partially or completely and define the function range of some keys so as to prevent miss functions |
| Optional parts | PG cards |
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