C320 Open-loop Vector Control Inverter
C320 Open-Loop Vector Control Inverter
Using theinternational advanced current control algorithm, the C320 open-loop vectorcontrol inverter can decomposethe current of rotor, and can separately control the torque current and speed current. The application shows that the controlperformance of our inverter has already reached international advanced level.
Features
1. Its power ranges from 3.7W to 250 KW and its inputvoltage is 220V±20%, 380V±20% and 415V±15%.
2. With the two-line LED display, users can have convenienton-site commissioning. The open-loop vector control inverter canmonitor two groups of parameters at the same time to achieve overallinformation about the running state.
3. Using the remotecontrol keyboard, its stable communication distance can reach 1,000 meters.
4. With the standard built-in RS485 interface, the open-loop vector controlinverter can be used together with PLC, IPC and other automatic controlequipment. Many inverters can havelinkage operation at the same time.
5. For the inverterwith power ranges from 0KW to 18.5 KW, it has the standard built-in brake unit,and can easily adjust thebraking start voltage and braking action ratio.
6. Featuring advanced current vector control algorithm and fast load responses,the inverter can achieve best output performances.
7. The open-loop vector control inverter features 150% low-frequency torque outputand steady speed precision and uses the adaptive control technology and pulsewidth modulation (PWM) to achieve optimal control performance.
8. With the highly reliable electrical hardware design, the inverter canminimize the failure rate.
9. It can automatically checkthe motor parameters, and has 8 programmable multi-speed control, 6 kinds ofrunning mode, and up to 29 kinds of frequency input channel combinations.
10. The open-loop vector control inverter can automaticallycheck the output state. When the inverter isseparated from motor, the automatic frequency reduction will stop. After installing the motor, the inverter willautomatically recover its operation and has convenient remote power control.
11. It has multi-function programmable input ports,programmable relay output and the standard built-in PID regulator (it canpreset frequency).
12. The inverter has the functions of flexible analog I/O, three analogue valueinput adjustment, two analog output and parameters duplication of theconvenient operational panel.
13. Its cooling fan can choose power-on operation state or working operationstate according to environmental temperature to reduce the power consumption ofinverter.
14. The open-loop vector control inverter has automaticenergy saving running mode to further save electricity, and voltage stabilizingrunning function for maximally keeping voltage stability.
Typical Application
The open-loop vectorcontrol inverter is used for CNC machine tools, manipulator, oxygenmaking machine, air-compressor, ceramic machine, industrial washing machine,etc.
Technical Specifications
| Input | Rated voltage, rated frequency | 3 PH (4T# Series) 380V 50/60Hz | 3 PH (2T# Series) 220V 50/60Hz | 1 PH (2S# Series) 220V 50/60Hz | |
| Permissible voltage range | 3 PH (4T# Series) 300V～460V | 3 PH (2T# Series) 170V～270V | 1 PH (2S# Series) 170V～270V | ||
| Output | Voltage | 4T#Series: 0～380 V | 2S#, 2T# Series: 0～220 V | ||
| Frequency | 0~400Hz | ||||
| Overload capacity | 110% rated current for long-term; 150% rated current for 1m; 180% rated current for 2s. | ||||
| Control mode | V/F control, sensorless current vector control | ||||
| Control characteristics | Frequency setting Resolution | Analog terminal input | 0.1% of maximum output frequency | ||
| Digital setting | 0.01 Hz | ||||
| External pulse | 0.1% of maximum frequency | ||||
| Frequency precision | Analog input | Within 0.2% of maximum output frequency | |||
| Digital input | Within 0.01% of setting output frequency | ||||
| External pulse | Within 0.1% of maximum output frequency | ||||
| V/F control | V/F curve (Voltage-frequency characteristics) | Reference frequency can be randomly set between 5Hz to 400Hz and V/F curve with multiple joint can also be randomly set. There are three curves provided, including constant torque curve, Dec torque curve 1 and Dec torque curve 2. | |||
| Torque boost | Manual set: 0.0～20.0% of rated output. Automatic torque boost can be set according to output current. | ||||
| Auto current/voltage limit | It will automatically check the current and voltage of motor stator during acc/dec or stable running. Based on special arithmetic, it can control the current and voltage within allowable range to ensure the minimum failure. | ||||
| Sensorless vector control | Voltage/frequency characteristics | The open-loop vector control inverter can automatically adjust the proportion of output voltage to output frequency according to the motor parameters and unique algorithm. | |||
| Torque characteristics | When the frequency is 1 Hz, the inverter will output 150% of rated torque, and features 0.1% of speed stabilization precision. | ||||
| Motor parameters self-detection | Without any limitation, the inverter can finish the motor parameter self-detection under static state, so as to achieve sound control effect. | ||||
| Current / voltage limit | The current closed-loop control can completely avoid the current impact, and has the function of overvoltage limit. | ||||
| Under voltage inhibition in running | It is especially suitable for the users with low network voltage and frequently fluctuated network voltage. Even the voltage is lower than permissible voltage, and the system will maintain the longest possible running time according to the unique algorithm and residue energy allocation strategy. | ||||
| Typical functions | Multi-speed and wobble frequency running | 8 programmable multi-speed control modes, 6 running modes and 15 multi-speed control modes of terminal. Wobble frequency operation is composed of preset frequency, central adjustable frequency and state memorization and recovery after machine halt or power failure. | |||
| PID control RS485 communication | The built-in PID controller can preset the frequency. It provides the standard RS485 communication and various communication protocols for choice. It has the synchronous control function. | ||||
| Automatic stop after cutting off the output | It can automatically check the output state. When the inverter is separated from motor, the automatic frequency reduction will stop. After installing the motor, the inverter will automatically recover its operation and has convenient remote power control. | ||||
| Frequency setting | Analog input | DC voltage: 0～5V, 0～10V; DC current: 0～20mA | |||
| Pulse input | Its amplitude value is between 5 and 30V, and its frequency is within 50.0KHz. | ||||
| Digital input | It can set by operation panel, RS485, UP/DW terminal, and also can set multiple combinations with analogue input. | ||||
| Output signal | OC output | Two OC output, fault relay output (TA, TB, TC) and as many as 16 types of output mode for choice | |||
| Analog output | Two 0~10V voltage or 0～20mA current signal | ||||
| Automatic energy saving running | According to the output current, the inverter can timely adjust the output voltage and slip compensation to ensure the motor have highest efficient operation. | ||||
| Voltage stabilizing running | Three ways for selection: dynamic voltage regulation, static voltage regulation, instable voltage regulation, so as to get the most stable running result. | ||||
| Acc/Dec time setting | 0.1S～6000min continuous setting, S curve and linear mode for choice | ||||
| Braking | Regenerative braking | Higher than 75% | |||
| DC braking | Action frequency: 0~50.0 Hz; action time: 0~20.0s or continuous action. | ||||
| Typical functions | Low noise running | Carrier wave frequency range is1.5 KHz ~ 12.0 KHz that is continuously adjustable to minimize the motor noise. | |||
| Dec restart function | The smooth restart and instantaneous-stop restart function of running motor can be achieved. | ||||
| Counter | It has built-in counter to facilitate the system integration. | ||||
| Operating function | Upper and lower frequency setting, frequency hopping operation, reversal operation limitation, RS485 communication, voltage stabilizing running, frequency increasing/decreasing control, etc. | ||||
| Display | Operation panel display | Running state | Output frequency, output current and voltage, motor speed, frequency setting, module temperature, PID setting and feedback quantity, analog I/O and so on. | ||
| Alarming | The operation panel shows recent six times failure record, and last running parameter record of output frequency, setting frequency, output current, output voltage and DC voltage, module temperature and so on during last fault trip period. | ||||
| Protection / alarming function | Overcurrent, overvoltage, undervoltage, electronic thermal relay, overheating, short circuit, internal memory fault, etc. | ||||
| Environment | Ambient temperature | -10ºC to 50ºC (nonfreezing) | |||
| Ambient humidity | Under 90% (non-condensing) | ||||
| Ambient environment | Indoor (without corrosion, inflammable gas, oil mist or dust and so on) | ||||
| Altitude | Lower than 1000m | ||||
| Structure | IP protection | IP20 | |||
| Cooling mode | Forced cooling | ||||
| Installation | Wall-hanging mode | ||||
Establishedin 2004, SUNFAR is a professional frequency inverter manufacturer based in Chinawhich has passed ISO9001:2008 certification. We provide a wide range of inverters,including open-loop vector control inverter, plastic machine inverter, miniuniversal inverter, and more. We canalso produce energy saving unit, multi-pump constant pressure water supplycontrol unit, etc. to suit customers’ various requirements. If you have any related need, please feel freeto contact us.
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