MD320 Series Vector Frequency Converter

Overview

MD320 Frequency Converter

Input Voltage: Single Phase 220V, Three Phase 380V, Three Phase 690
Power Capacity (kVA): 1~630
Input Current (A): 5.4~883
Output Current (A): 2.3~820
Appropriate Motor (kW): 0.4~450

Technical parameters

Item		Specifications
Individualized function	maximum frequency	300Hz
	Carrier  frequency	0.5k to 16kHz; the carrier frequency will be automatically adjusted according to the load characteristics.
	Input frequency resolution	Digital setting: 0.01Hz Analog setting: maximum frequency ×0.1%
	Control mode	Open loop vector control (SVC) Close loop vector control (VC) V/F control
	Startup torque	G model: 0.5Hz/150% (SVC); Hz/180%(VC) P model: 0.5Hz/100%
	Speed adjustment range	1：100 （SVC）	1：1000 （VC）
	Speed stabilization precision	±0.5%（SVC）	±0.02%（VC）
	Torque control precision	±5%（VC）
	Overload capacity	G model: 150% rated current 60s; 180% rated current 1s. P model: 120% rated current 60s; 150% rated current 1s.
	Torque hoist	Automatic torque hoist; manual torque hoist 0.1% to 30.0%
	V/F curve	Three types: straight line, multiple point and square type
	Speed-up and Speed-down curve	Straight line or S curve speed-up and speed-down mode; four kinds of speed-up and speed-down time; speed-up and speed-down time ranges between 0.0s to 3000.0s.
	DC brake	DC brake frequency: 0.00Hz to maximum frequency; brake time: 0.0s to 36.0s, and brake current value: 0.0% to 100.0%.
	Jog control	Jog frequency range: 0.00Hz to 50.00Hz; jog acceleration/deceleration time: 0.0s to 3000.0s.
	Simple PLC and MS Speed Running	It can realize a maximum of 16 segments speed running via the built-in PLC or control terminal.
	Built-in PID	It is easy to realize process-controlled close loop control system.
	Auto voltage regulation (AVR)	It can keep constant output voltage automatically in case of change of mains voltage.
	Torque limit and control	It can limit the torque automatically and prevent frequent over current tripping during the running process; the close loop vector mode can implement torque control.
Individualized function	Peripherals self-detection upon power-on	It can conduct safety detections on the peripherals upon power-on, including earth and short circuit detections.
	Shared DC Bus Function	It can realize the function that multiple inverters share the DC bus.
	QUICK key	The user can freely define short-cut menus.
	MF.K Key	Programmable key: Select the command channel switching/forward and reverse rotations/jog operation.
	Textile swing frequency control	Multiple triangular-wave frequency control function
	Length control	Reference length control function
	Timing control	Timing control function: Setting time range between 0h to 65535 h.
Run	Running command channel	Three types of channels: operation panel reference, control terminal reference and serial communication port reference. These channels can be switched in various modes.
	Frequency source	There are totally ten types of frequency sources, such as digital reference, analog voltage reference, analog current reference, pulse reference and serial port reference. These frequency sources can be switched in various modes.
	Auxiliary Frequency source	There are ten types of auxiliary frequency sources. It can implement micro tuning and synthesis of auxiliary frequency.
	Input terminal	There are five digital input terminals, one of which can be used as high-speed pulse input. (The number of digital input terminals can be expanded to ten) It can be compatible with active PNP or NPN input mode. There are two analog input terminals, one of which can be used only as voltage input, while the other can be used as voltage or current input. (It can expand one voltage input terminal)
	Output terminal	There is one high-speed pulse output terminal (can be selected as open collector mode), with square wave output of 0kHz to 50kHz. It can output such physical parameters as setting frequency and output frequency. One digital output terminal (can be expanded to two) One relay output terminal (can be expanded to two) One analog output terminal (can be expanded to two), with optional 0//4mA to 20mA or 0/2V to 10V. It can realize the output of such physical parameters as setting frequency and output frequency.
Display and Keyboard Operation	LED display	It can display the parameters
	LED display	It is an optional part, and can display operation contents Chinese/English.
	parameter copy	It enables the parameter copy unit to copy the parameters quickly.
	Key locking and function selection	It can lock the keys partially or completely and define the functional range of certain keys so as to prevent error operations.
	protection function	It can implement power-on motor short-circuit detection, input/output phase loss protection, over current protection, over voltage protection, under voltage protection, over heat protection and overload protection.
	Optional parts	LCD operation panel, multifunctional I/O expansion card, braking components, communication card, extension card, PG card, water supply card, etc.
Environment	Using Place	Indoor, and be free from direct sunlight, dust, corrosive gas, combustible gas, oil smoke, vapor, drip or salt.
	Altitude	Lower than 1,000 meters
	ambient temperature	-10 ℃Celsius to +40 ℃Celsius (derated when used in the ambient temperature of 40 ℃ Celsius to 50 ℃ Celsius)
	Humidity	Less than 95%RH, without condensing
	Vibration	Less than 5.9 m/s2(0.6g)
	Storage temperature	-20 Celsius to +60 Celsius

MD320Inverter Series  

Inverter model	Power capacity (kVA)	Input current (A)	Output current (A)	Adaptable Motor (kW)
Single-phase Power supply:200…240V，50/60Hz
MD320NS0.4	1.0	5.4	2.3	0.4	0.5
MD320NS0.7	1.5	8.2	4.0	0.75	1
MD320NS1.5	3.0	14.0	7.0	1.5	2
MD320NS2.2	4.0	23.0	9.6	2.2	3

Inovance - Leading Frequency Inverter,Frequency Converter Drive Manufacture in China