Electric locomotive traction control ware state feedback device and system

The utility model provides an electric locomotive traction control ware state feedback device and system, wherein, electric locomotive traction control ware state feedback device includes: signal converter and signal processor, signal converter includes at least two way signal input part and signal output part of the same kind, at least two way signal input part with electric locomotive's the traction current transformation ware cabinet body feeds back the device and connects, all the way signal output part with signal processor connects, signal converter, be used for with the digital state feedback signal conversion that at least two way signal input part inputed respectively becomes analog output signal all the way, and will analog output signal output gives all the way signal processor, signal processor, it is right to be used for the analog output signal carries out signal analysis all the way, in order to obtain digit state feedback signal. The utility model provides an electric locomotive traction contr