... regulated phase current 1.2A to 5.6A. The circuit that it adopts is similar to the circuit of servo control ... size numerical control devices such as curving machine, CNC machine, computer embroider machine, packing machine and etc.FEATURESl High performance, low pricel ... , can control the lathe and milling machine to work the input part can connect to the mechanical switch , groove optocoupler, ...