摘要
阐述了一个以单片机ADuC824为核心的数字式温度变送器设计方法,叙述了热电偶与单片机内A/D转换的接口、以及RS232数字接口的硬件结构原理,给出了用软件方式进行非线性补偿和热电偶的冷端补偿的方法.
The design of digital temperature transmitter based on microcontroller ADuC824 is introduced. The interface of thermocouple with A/ D converter in ADuC824 and RS232 interface with master computer is presented. The non - liner compensation and cold-junction compensation of thermocouple is provided.
出处
《机械与电子》
2006年第8期43-45,共3页
Machinery & Electronics
