Direct digital controller (DDC) is the basic control unit of building automation system (bas).
直接数字控制器(DDC)是楼宇自动化系统(BAS)的基本控制单元。
A direct digital control system of SRD was designed using 80c196kb single chip as micro controller, and hardware and software debugging was made in this process.
本文以80c196 K B单片机为控制器，设计了SR电机直接数字控制系统，进行了软硬件的设计和调试。
This paper introduce the application of Siemens digital direct current timing device (6ra70) and program logical controller (SIMATIC S7-300) in piling bed electromagnet for the first time.
该文介绍了西门子全数字直流调速装置(6ra70)和可编程逻辑控制器(SIMATIC S7 - 300)首次在码垛电磁铁系统中的应用。
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