... position loop, velocity loop and current loop. Three work control mode: position, velocity and torque. MMT matches with DC servo ... voltage, overheating, over speed, overproof protection;* Green light for on, red light for protected mode or offline. Ports detailsX1: control signal input / ... 4 bit double row pin on drive circuit board for the working mode setting, number 1, 2, 3, 4 respectively from ...