Presents a computerized fool proof system for unattended substation, which features one industrial host computer keeping several substations fool proof, computer key showing all operation order sentences and recording operation time automatically, and distance communication interface making modification and transfer of distance operation programs possible between main station and substation.

Application of the UT-2000 closed-end equipment for microcomputer guard against misoperation in synthetic automated substation;

The computer-based five-proof system are the main means to prevent maloperating in the substation operation.