1) RS-422 transmission
RS-422通讯
2) RS-422 interface of series communication
RS-422串行通讯接口
3) RS-232/422 serial communication interface
RS-232/422串行通讯接口
4) RS-422 standard communication card
RS-422标准通信卡
1.
Input and output addresses of series registers were obtained by using RS-422 standard communication card and by setting up inside jump-line units, these registers are data send and retain and incepting registers, circuitry state and control registers, interrupt permission and identification registers, and so on.
分布式测控系统中,上下位机相距较远,采用RS-422标准通信卡,改变卡内部跳接器的设置可获得数据发送/保持/接收寄存器、线路状态/控制寄存器、中断允许/识别寄存器的输入/输出地址,设计相应通信程序即能实现通信。
5) RS-422 communication protocol
RS-422通信协议
6) RS-485 communication
RS-485通讯
1.
This paper introduces principle and system hardware formation and software design method of display screen in universal A/D data collection,RS-485 communication and big power digital display based on AT89C52 SCM.
介绍一种基于AT89C52单片机的通用A/D数据采集、RS-485通讯及大功率数码显示的显示屏的原理和系统的硬件构成、软件设计方法。
2.
On the basis of brief introduction of the basic charac-ter and the realization method of RS-485 communication, RS-485 communication port is used as the analog input channel andhow to obtain analog by RS-485 communication port is projected associated a short piece of program.
在简要介绍了RS-485通讯的基本特点、实现方法后,针对实际问题,将PLC的RS-485通讯接口作为获得模拟量的通道,结合一小段程序,介绍了利用RS-485通讯接口获得模拟量的方法。
3.
The scene controller and the long-distance controller use RS-485 communication.
文中对二氧化氯发生装置的工艺流程做了详尽的分析,在此基础上进行了总体方案设计;将控制系统分成了两部分,并对每一部分的功能做了详细的规划;介绍了现场控制器和远程控制器要实现其功能所涉及到的LCD液晶显示模块、键盘处理模块、故障信号处理模块、看门狗、计量泵控制、传感器、数据采集及处理模块以及RS-485通讯等硬件电路的设计和软件编写方案。
补充资料：[3-(aminosulfonyl)-4-chloro-N-(2.3-dihydro-2-methyl-1H-indol-1-yl)benzamide]
分子式：C16H16ClN3O3S
分子量：365.5
CAS号：26807-65-8
性质：暂无
制备方法：暂无
用途：用于轻、中度原发性高血压。
分子量：365.5
CAS号：26807-65-8
性质：暂无
制备方法：暂无
用途：用于轻、中度原发性高血压。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条