針對潛水電機工作環境復雜、故障率高、影響參數多等特點，本文介紹了一種基于CAN
總線的潛水電機分布式監控系統的設計方案；給出了智能監控節點的硬件電路、軟件軟初始化程序和通信流程。經系統測試和實際運行表明，該系統安裝使用方便、工作可靠性較高，達到了設計要求，具有一定的參考和推廣價值。
關鍵詞：CAN 總線；分布式系統；智能節點；P87C591
Abstract: Countering the problems existing in the submersible motor, such as the complex condition of running, high malfunction ratio, many parameters influenced, This paper introduces the design of the distributed monitor system about the submersible motor based on CAN bus, and presents the hardware schematic circuits, software initial programs and communications flow of the intelligent monitor node. Practical using shows that this monitor system has the better control effect and is suitable for similar practical engineering.
Keywords: CAN bus; distributed system; intelligent node; P87C591