The utility model relates to a scada of transformer substation monitor message and video coordinated control system belongs to the on -the -spot remote monitoring management system technical field of power production. It comprises key control unit, station side video system etc. And its characteristics are: the horizontal physics isolating device who is connected with key control unit passes through the mirror image port and is connected with the real -time switch of data network, and the real -time switch of data network is connected with integrated automation system communication host computer, the dispatch system of main website respectively, key control unit is connected with integrated automation system communication host computer to through serial port connection security protection alarm device, be connected with digital video recorder through inserting the net gape, digital video recorder is connected with the station side video system. Can the on -the -spot information of accurate collection, communication fast and stable, remote control management operations is reliable, smooth, reaches position detection requirement behind the electrical equipment remote control. The problem of present indirect control have that to gather on -the -spot information accuracy poor, be difficult to satisfy position detection requirement behind the remote control is solved.