1) 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。
3) RS-485 single-wire serial communication
串行RS-485单线通讯
1.
This article gives an implementation scheme of RS-485 single-wire serial communication using a single-chip mirocomputer,software design and antijamming measures in the software design.
提出了单片机串行RS-485单线通讯的技术实现方案、串行通讯的软件设计及设计过程中的抗 干扰措施。
4) RS-485 communication
RS-485通信
1.
Modularization design of digital arc welding power source and RS-485 communication;
数字弧焊电源的模块化设计与RS-485通信
2.
Research and application of RS-485 communication protocol on queue system
基于RS-485通信协议的排队系统研制
3.
This paper introduces a control system for cold aggregate supply of the asphalt mixing plant based on the RS-485 communication network.
介绍了一种基于RS-485通信网络的沥青混合料搅拌设备冷骨料供给控制系统,对系统硬件和软件编程做了详细介绍。
6) 485 communication
485通讯
1.
The signal collection,output showing in Wincc,valve s cascade control and pump s start and shut through 485 communication are included.
简要介绍应用于某化工厂的醋酸异丙酯生产计算机控制系统,详细论述控制系统中现场仪表到控制柜的连接过程以及下位机软件的设计与实现,包括从现场到中控室的连接和软件设计中涉及到的信号采集、对信号处理后的显示输出、对信号分析后控制调节阀的串级PID输出以及二期改造中485通讯方式控制原料泵的起停等。
补充资料：(RS)-alpha-氰基-4-氟-3-苯氧基苄基 (1RS,3RS
分子式：C22H18Cl2FNO3
分子量：434.29
CAS号：68359-37-5
性质：熔点60°C。
分子量：434.29
CAS号：68359-37-5
性质：熔点60°C。
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