Plug-in DCS (Distributed Control System) module

The utility model relates to a plug-in DCS (Distributed Control System) module which comprises a module casing with an opening on one surface and a plurality of module inserting pieces distributed with signal channel information, wherein the module casing is internally provided with a plurality of chutes for sliding of the module inserting pieces along the opening; the chutes are arranged longitudinally along the opening at intervals; the inner ends of the module inserting pieces are provided with electrical connection plugs; the inner side surface of the module casing, opposite to the opening, is provided with an inner socket which is matched with the electrical connection plugs; the outer surface of the module casing is provided with an outer socket for outer electrical connection; and lock catches which are buckled with each other are arranged between the module casing and the module inserting pieces after the module inserting pieces are inserted in place. The plug-in DCS module has the advantages of suppo