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C320 Open-loop Vector Control Inverter, High Speed Inverter, Energy Saving Unit, Plastic Machine Inverter

Using the international advanced current control algorithm, the C320 open-loop vector control inverter can decompose the current of rotor, and can separately control the torque current and speed current. The application shows that the control performance of our inverter has already reached international advanced level.

Features
1. Its power ranges from 3.7W to 250 KW and its input voltage is 220V±20%, 380V±20% and 415V±15%.
2. With the two-line LED display, users can have convenient on-site commissioning. The open-loop vector control inverter can monitor two groups of parameters at the same time to achieve overall information about the running state.
3. Using the remote control keyboard, its stable communication distance can reach 1,000 meters.
4. With the standard built-in RS485 interface, the open-loop vector control inverter can be used together with PLC, IPC and other automatic control equipment. Many inverters can have linkage operation at the same time.
5. For the inverter with power ranges from 0KW to 18.5 KW, it has the standard built-in brake unit, and can easily adjust the braking 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 output and steady speed precision and uses the adaptive control technology and pulse width modulation (PWM) to achieve optimal control performance.
8. With the highly reliable electrical hardware design, the inverter can minimize the failure rate.
9. It can automatically check the motor parameters, and has 8 programmable multi-speed control, 6 kinds of running mode, and up to 29 kinds of frequency input channel combinations.
10. The open-loop vector control inverter 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.
11. It has multi-function programmable input ports, programmable relay output and the standard built-in PID regulator (it can preset frequency).
12. The inverter has the functions of flexible analog I/O, three analogue value input adjustment, two analog output and parameters duplication of the convenient operational panel.
13. Its cooling fan can choose power-on operation state or working operation state according to environmental temperature to reduce the power consumption of inverter.
14. The open-loop vector control inverter has automatic energy saving running mode to further save electricity, and voltage stabilizing running function for maximally keeping voltage stability.

Typical Application
The open-loop vector control inverter is used for CNC machine tools, manipulator, oxygen making 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

Established in 2004, SUNFAR is a professional frequency inverter manufacturer based in China which has passed ISO9001:2008 certification. We provide a wide range of inverters, including open-loop vector control inverter, plastic machine inverter, mini universal inverter, and more. We can also produce energy saving unit, multi-pump constant pressure water supply control unit, etc. to suit customers' various requirements. If you have any related need, please feel free to contact us.

Company Brief: Shenzhen Sunfar Electric Technologies Company, Ltd. is a China-based frequency inverter and energy saving system manufacturer and supplier. Sunfar has been producing the mini universal inverter, high speed inverter, energy saving unit, and dynamic braking unit, etc. since 2004. Our products are widely used in the metallurgy, papermaking, and chemical industries.