Features This VFD uses unique control method to realize high moment of force, high precision and wide speed regulating range driving, with high performance It has good anti-trip performance and ability to adapt to rough power, temperature, humidity and dust interference, greatly improved stability By optimizing PWM control technology and electromagnetic compatibility, it satisfies users' requirement of low noise, low electromagnetic interference Simple to operate and wire, connect to wires by screw terminals which are more convenient Designed with large heat sink for better heat dissipation Specifications: Model: AT1-2200X Power Source Phase: Single-phase Rated Voltage: single-phase/3-phase AC220V Power Supply Voltage: Low voltage Suitable Motor Power: 2.2kW Filter: Built-in filter DC Power Supply Type: Voltage type Control Method: V/F closed loop Output Voltage Adjusting Method: PWM control Rated Current: 12A Protection: Over-current, over-voltage, over-heat, under-voltage, short circuit protection Max. Output Frequency: 400Hz Size: 18*12.5*12.5cm/7.1*4.9*4.9in Weight: 1.3kg(approx.) Terminal Instruction: TerminalFunctionDetails15V/24V15V/24V power input200mA15V/24V power supply outputX6Input terminal 6 (wire control CW/CCW switch)X6 connects to COM, input signal is effectiveX5Input terminal 5 (wire control CCW)X5 connects to COM, input signal is effectiveX4Input terminal 5 (wire control CW)X4 connects to COM, input signal is effectiveX3Input terminal 3 (speed range 3)X3 connects to COM, input signal is effectiveX2Input terminal 2 (speed range 2)X2 connects to COM, input signal is effectiveX1Input terminal 3 (speed range 3)X1 connects to COM, input signal is effective485+/485-485 communication port COMCommon terminal  VI1External analog voltage input0-5V/10V analog voltage inputCIExternal current signal input4-20mA current signal inputSP1Open collector output 1 SP2Open collector output 2, 5V/10V, 5V/10V 20mA power supply outputTCRelay output250VAC 5A/30VDC 3A TA & TB are NC, TA & TC are NOTBRelay outputTARelay output Note: When adjusting parameter, the VFD must stop working, otherwise it will not be able to save parameter setting. Package Includes: 1 x Variable Frequency Drive Package List 1 x Variable Frequency Drive