... OEM is support 24V/10A dc controller for servo motor SummaryMMT all-digital DC servo ... overheating, over speed, overproof protection;* Green light for on, red light for protected mode or offline. Ports detailsX1: control ... 4 bit double row pin on drive circuit board for the working mode setting, number 1, 2, 3 ... .ff;plug in 1 and 2, position control for positive pulse/negative pulse input;plug in 3, ...