摘要
所介绍的温湿度控制系统由 1台工控机 (作为上位机 )、8台 80 C1 96单片机 (作为下位机 )组成。每台下位机对 1 6个点进行温度、湿度检测 ,并控制 2台空调机、2台除湿机。文章阐述了该系统的硬件结构、工作原理及过程。该系统已成功地应用于烟草行业的温湿度监控 ,控制温度调节精度为± 1℃ ,湿度为± 3%。
The introduced temperature/humidity control system consists of one industrial computer as supervisory computer and eight 80C196 s c microcomputers as control ones Each 80C196 detects temperature/humidity of 16 points,controls 2 air conditioners and 2 dehumidifiers.The hardware structure,operation principle & process of the system are described.The system has been applied in the tobacco industry with temperature adjustment accuracy of+/-1°C and humidity adjustment accuracy of+/-3%.
关键词
多机串行通信
温湿度监控
控制系统
DCS control multi serial communication RS 485 Temperature/humidity monitor
