Multi-step linking equipment controller for producing metal products

The utility model relates to a multi-track linkage device controller which belongs to an electric control device for producing metal products. The purpose is to provide a linkage device controller for producing the metal products. The utility model comprises a digital quantity input interface, a digital quantity output interface, an analog quantity input interface, an analogue quantity output interface, a bus control interface, a CPU, a switching power supply, and a keyboard, wherein other interfaces can be chosen to use for users as required except for the CPU, the switching power supply, and the keyboard; in addition, the utility model can communicate with a touch screen and an upper machine, which enhances the degree of automation, the running time of the linkage device, and the work efficiency of the linkage device, and reduces the production cost.