AC drive,frequency inverter, frequency converter......

Control Signal Wiring Diagram

Model of KET-3000W series inverter

Standard  Specification :

Item		Specification
input	Rated voltage, frequency	Single phase,220V,50Hz/60Hz; 3 phase, 380V,50Hz/60Hz
	Allowed fluctuation	Continuous voltage fluctuation:within±10%, instant voltage fluctuation: within -15%10%; voltage imbalance: <3%; frequency fluctuation: within 5%.
output	Voltage	Single phase,0-220V; 3 phase,0-380V
	Output frequency	0-400Hz.
	Overload capability	150% rated current,2 minutes; 180% rated current,10 seconds
control trait	Command input mode	By LCD keypad, by terminals, by PC through serial communication port.
	Control mode	Open loop vector control, VF control.
	Speed setting method	By keypad, by analog, by PC through serial communication port
	Speed setting precision	Digital command±0.01%(-10 +40) analog command±0.1%(25oC±10)
	Speed setting resolution	Digital command:0.01Hz; analog command:1/2000 of maximum frequency
	Speed control precision	Open loop vector control: ±0.5%; (25±10
	Speed control range	Open loop vector control: 1:100
	Torque control response	Open loop vector control : <200ms.
	Start torque	Open loop vector control: 150% of rated torque at 0.5Hz.
	Torque control precision	±5%
	Set reference voltage supply output	1 port, +10V, 5mA
	Control voltage supply output	24V,100mA
	Analogy input	2 ports, AI1 voltage: 010V, AI2 current/optional voltage010V/020mA AC.
	Analog meter output	2 ports,0-10V/0-20mA DC, current/voltage optional
	Operation command connector input	2 ports, FWD: forward operation, REV: reverse operation
	Programmable connector input	X1X8, 8 ports, programmable digital signal input terminals, X7 and X8 can accept high-speed pulse signal(3.7KW or below, X1X5, 5 ports, X4 and X5 are high speed input)
	DO frequency signal output	1 port, high-frequency signal output(programmable)
	Collector open-loop output	Two ports:Y1, Y2.   Y2 can be selected as pulse output(3.7KW or below, only Y1 available)
	Programmable relay output	1 port RA/RB/RC, contactor capacity: 250V AC/3A or 30V DC/1A
	Serial communication port	RS-485 connector RS485+,RS485-
	4 bits LED display	setting frequency, output frequency, output voltage, output current, motor speed, output torque, switch value terminal, programming menu parameters and fault code.
	Five indication lamp	Parameter unit, RUN/STOP status, special status, charging status.
Protection function	Protection function	Over voltage, under voltage, current limitation, over current, overload of inverter, overload of motor, overheat, overvoltage stallout, load short circuit, phase fault.
	Protection degree	IP20
	Cooling mode	Forced air cooling
envirenment	Ambient termearture	-10,+40
	Termperature	2090% RH(no condensation)
	Storage termperature	-20,+70
	Application area	indoor(no corrosive odor, dust)
	Installation area	Altitude is not more than 1000meter, no dust, no corrosive order, no direct sunlight.
	Vibration	20Hz less than 9.8m/s2(0.2g)

 

Features:

• Open-loop vector control
• Built-in PLC
• Built-in PID regulator
• 16-step speed
• traverse operation
• Continuous operation function at momentary power failure
• Perfect fault protection and auto current limit
• Positive/negative logic switch input signal for option 
• 43 input terminals and 25 output terminals for option
• 10 frequency input modes
• RS-485 communication port (MODBUS protocol)
• Autotuning function in the mode of either standby or operation