电子设计工程
電子設計工程
전자설계공정
ELECTRONIC DESIGN ENGINEERING
2011年
15期
92-94
,共3页
CAN总线%PIC18F458%远程测控%水温%水位
CAN總線%PIC18F458%遠程測控%水溫%水位
CAN총선%PIC18F458%원정측공%수온%수위
CAN bus%PIC18F458%remote control%water temperature%water level
针对现代化小区对远程水温水位测控的需求,设计了一款基于CAN总线的远程测控系统。系统采用带有CAN总线控制器的PIC18F458微处理器,结合82C250收发器,实现了对多路信号的数据采集和CAN总线远程通信。系统由一个上位机与多个测控节点组成,上位机主要负责显示各测控节点的水温水位状态,测控节点负责采集水温水位数据和实现继电器控制。上位机与各测控制节点通过CAN总线通讯,经测试有效通讯距离可达5 km。
針對現代化小區對遠程水溫水位測控的需求,設計瞭一款基于CAN總線的遠程測控繫統。繫統採用帶有CAN總線控製器的PIC18F458微處理器,結閤82C250收髮器,實現瞭對多路信號的數據採集和CAN總線遠程通信。繫統由一箇上位機與多箇測控節點組成,上位機主要負責顯示各測控節點的水溫水位狀態,測控節點負責採集水溫水位數據和實現繼電器控製。上位機與各測控製節點通過CAN總線通訊,經測試有效通訊距離可達5 km。
침대현대화소구대원정수온수위측공적수구,설계료일관기우CAN총선적원정측공계통。계통채용대유CAN총선공제기적PIC18F458미처리기,결합82C250수발기,실현료대다로신호적수거채집화CAN총선원정통신。계통유일개상위궤여다개측공절점조성,상위궤주요부책현시각측공절점적수온수위상태,측공절점부책채집수온수위수거화실현계전기공제。상위궤여각측공제절점통과CAN총선통신,경측시유효통신거리가체5 km。
To satisfy the demand of modern community for monitoring of remote water temperature and water level,a monitoring and control system based on CAN bus was designed.Adopting the microprocessor PIC18F458 with CAN bus controller,added 82C250 transceiver,the system achieved multiplex data acquisition and remote communication of CAN bus.The system consists of a monitor and a number of control nodes.The monitor receives temperature and water level data from every node and displays them.The control node measures temperature and level of water,and realizes control function.The monitor communicated with each control node by CAN bus with the distance up to 5km tested.
