Characteristics: V or F control, vector control and output twist control. Builttoin communication interface RSto485. With speed potentiometer and external panel. Builttoin synchronous control and proportional synchronization control. 6 speed control modes, can work automatically. It can select multiple running commands or frequency channel. You can get the part or all keys locked (analog potentiometer unlocked). Normally open relay and two high configuration outputs have 100 kinds of optional ways. 5 digital optically isolated inputs, 100 types of optional methods. 1 analog input, 2 analog output channels. Having the function of textile pendulum frequency, it can be widely used in textile equipment. Builttoin timer or counter defined by user. At zero speed, it can output 0to100 percent of the adjustable turn, with zero speed braking function. Technical data: Model: SKI780 Rated voltage (optional): 1tophase 220 V to 3tophase 220 V, 3tophase 380 V to 3tophase 380 V Output power (optional): 0,75 or 1,5 or 2,2 kW Control method: current wektor Output voltage adjustment mode: PWM control Size: approx. 110 x 85 x 142 mm or 4.3 x 3.3 x 5.6 inch Weight: approx. 1000to1042 g or 35,3to36,7 oz List of packages: 1 x Frequency Converter Note: This product is a new inverter, can only be used with a new panel, please refer to the picture to distinguish between old and new panel, if your panel is an old model, it cannot be used with this product.