基于CAN总线的温度在线监测保护器,介绍了CAN总线的特点,给出CAN总线接口电路,并详细介绍了以Microchi苫公司的单片机为核心的、带有CAN接口的智能温度保护器的原理与功能. -CAN bus based on-line monitoring of temperature protection, introduced the features of CAN bus, CAN bus interface circuit is given and described in detail