Built-in PID control function, can easily constitute a simple automated control system. Internal simple PLC, 6 multi-function input terminals, to achieve operation, zero speed, calculator, external exception program instructions and alarm. Provide a variety of fault protection: over-current, overvoltage, undervoltage, over temperature, phase loss, overload and other protection.Built-in filter, PWM control, fast heat dissipation, extended service life. Note: Due to the manual measurement, there might be some error. The item "SAKO 2.2kw 220V Mini VFD Variable Frequency Drive Inverter Motor Speed O" is in sale since Tuesday, July 21, 2020. This item is in the category "Industrial\Industrial Automation & Motion Controls\Drives & Starters\Drives & Motor Controls\Variable Frequency Drives". The seller is "freshmall3" and is located in Shenzhen. This item can be shipped worldwide.