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♦Meet the needs of different process-es, adjust the motor speed in onebuilding,save commission time.

♦Automatically detecting the load cur-rent and adjusting the output voltage.exerts a good energy-saving effect.re-duce the energy cost.

♦High torque control in low frequency0.5Hz/150%SVC), and 0Hz/200%(FVC)real vector control with three hall sensorcurrent detecting,output frequency up to3200hz,support PID control.

♦Complete motor protection for exam-ple,over-voltage stall, under-voltage,current limit, overload, overheat, overspeed, overvoltage,etc......

Product Detail

SCH-MAX500 series frequency inverter

SCH-MAX500 series frequency inverters with direct torque control technology and motor flux optimization func-tions as well as energy saving functions can slove the problem of harmonics ,noise andenergy saving ,higher precision as well as efficiency and protection.Widely applicationfor the filed of Steels, Cement, Chemical, Oil & Gas, Power, Polymer & Rubber, Pulp &Paper, Sugar, Minerals & Mining..

Technical Specification

Item		Specifications
Standard functions	Maximum frequency	0~3200.00Hz
	Carrier frequency	0.5-16 KHz(The carrier frequency is automatically adjustec based on the load features.)
	Input frequency resolution	Digital setting:0.01 Hz Analog setting:maximum frequency x 0.025%
	Control mode	Sensor-less flux vector control (SFVC) Closed-loop vector control (CLVC)(+PG Card) Voltage/Frequency(V/F)control
	Startup torque	G type:0.3Hz/150%(SFVC);0 Hz/180%(CLVC) P type:0.5Hz/100%
	Speed range	1:200(SFVC)	1:1000(CLVC)
	Speed stability accuracy	±0.5%(SFVC	±0.02%(CLVC
	Torque control accuracy	±5%(CLVC)
	Overload capacity	G type:60s for 150%of the rated current,3s for 180%of the rated current P type:60s for 120%of the rated current,3s for 150%of the rated current
	Torque boost	Auto boost; Manual boost:0.1%~30.0%
	V/F curve	Straight-line V/F curve Multi-point V/F curve N-powerV/F curve (1.2-power, 1.4-power, 1.6-power, 1.8-power,square
	V/F separation	Two types:complete separation;half separation
	Acceleration/dec eleration curve	Straight-line ramr S-curve ramp Four groups of acceleration/deceleration time with the range of 0.00s~65000s
Standard functions	DC braking	DC braking frequency:0.00 Hz~maximum frequency Braking time:0.0~100.0s Braking trigger current value:0.0%~100.0%
	JOG control	JOG frequency range:0.00Hz~50.00 Hz JOG acceleration/deceleration time:0.00s~65000s
	Built-in PLC,multiple speeds	It realizes up to 16 speeds via the simple PLC function or combination of Dl terminal states.
	Built-in PID	lt realizes closed loop control system easily.
	Auto voltage regulation (AVR	It can keep constant output voltage automatically when the mains voltage fluctuation.
	Overvoltage/ Over current stall control	The current and voltage are limited automatically during the running process so as to avoid frequently tripping due to overvoltage/over current
	Rapid current limit function	It can auto limit running current of frequency inverter to avoid frequently tripping
	Torque limit and control	(Excavator characteristics)It can limit the torque automatically and prevent frequently over current tripping during the running process. Torque control can be implemented in the VC mode.
Individualize d functions	High performance	Control of asynchronous motor is implemented through the high-performance current vector control technology
	Instant power not stop	The load feedback energy compensates the voltage reduction so that the frequency inverter can continue to run for a short time.
	Rapid current limit	To avoid frequently over current faults of the frequency inverter
	Timing control	Time range:0.0~6500.0 minutes
	Multiple communication protocols	Currently supports communication bus via Modbus-RTU and later will support PROFIBUS-DP,CANopen,etc
	Motor overheat protection	The optional I/O extension card enables Al3 to receive the motor temperature sensor input(PT100,PT1000)so as to realize motor overheat protection.
	Multiple encoder types	lt supports incremental encoder and encoder such as differential encoder,open-collector encoder resolver,UVW encoder,and SIN/COS encoder.
	Advanced background software	It supports the operation of frequency inverter parameters and virtualoscillograph function,by which the state of frequency inverter can be monitored.
Run	Running command giving	key panel Control terminals Serial communication port You can switch between these giving in various ways.
	Frequency giving	There are 10 kinds frequency giving:digital setting,analog voltage setting,analog current setting,pulse setting,serial communication port setting,panel potentiometer,etc. You can switch between these giving in various ways
	Auxiliary frequency giving	There are 10 kinds auxiliary frequency giving.It can implement tiny tuning of auxiliary frequency and frequency synthesis.
	Input terminal	Standard: 6 digital input (Dl)terminals,one of which supports up to 100 kHz high-speed pulse input 2 analog input (Al)terminals,support OV~10 V voltage input or 0 mA~20 mA current input Expanding capacity 6 DI terminals 1 Al terminal supports -10V~10 V voltage input