Development Of Microcomputer Protection Device Background Monitor Software Based On CAN Bus

Along with advancement of industrial technology, field bus is getting more and more widespread in electric power system application. Microcomputer protection device background monitor system based on CAN bus is designed according to characteristic of our company microcomputer protection device and studying of CAN field bus. Communication program structure between the protection device and background monitor system is designed according to studying of CAN communication interface card usage. In order to satisfy with device communication compatibility, communication protocols adapting to our company communication characteristic is defined through the research of telecontrol equipment and system transmission protocols. Function and realization flow of monitor system is designed particularly. Practical on-site running prove that it is a stability performance, easy to operation and high practical value background monitor system.