介紹一種基于單片機的多路溫度采集及監控系統，能夠測量6路溫度信號，具有計算機聯網功能，各測量點可以單獨監控和設置，可根據用戶的需求自動控制。測量溫度范圍為-10 ℃～200 ℃，控制方式采用模擬量調壓模式。該系統具有控制精度高、沖擊小等特點。
Abstract:
A temperature collecting and surveillance-controlling system based on sing-chip microcomputer is introduced. It can measure 6 channel signal of the temperature,and it has a function of network connection.The temperature measure points can be monitored and located, it can be controlled automatic according to user’s demand.The temperature range is -10℃ to 200℃.The model of control is adjustable voltage with simulation. It features high precision and little impact.
介紹了CAN總線和P87C591單片機的特點，給出了基于P87C591單片機的信號采集節點的軟、硬件設計，指出了硬件電路設計中應注意的問題，在軟件設計中重點介紹了節點初始化、報文發送和報文接收等子程序。
Abstract:
The features of CAN Bus and the microcontroller P87C591 are introduced, and the design of hardware circuit and soft configuration of the signals collection node based on P87C591 are presented. The problems in designing hardware circuit are discussed.Initialization subprogram, transmiting subprogram and receiving subprogram are emphasized in soft configuration.
