Modbus/TCP 通信报文被封装于以太网 TCP/IP 数据包中。与传统基于串口的 Modbus 通讯方式相比，Modbus/TCP 插入一个标准的 Modbus 报文到 TCP 报文中，不再带有数据校验和地址。 (2022-06-14, PLC, 511KB, 下载1次)
http://www.pudn.com/Download/item/id/1655184480737096.html国网DL698电表 集中器设置软件DLT698.45面向对象协议多线程参数设置软件 (2022-04-18, PLC, 4311KB, 下载5次)
http://www.pudn.com/Download/item/id/1650270120857717.html
使用200PLC自带port0，作为485通讯读取仪表参数，再通过CP243-1模块上传
Use 200PLC with port0 as 485 communication to read instrument parameters, and then upload through CP243-1 module (2020-06-01, PLC, 15KB, 下载0次)
ABB变流器自动运行控制，包括预充电、网侧调制、机侧调制、以及变流器通讯
Automatic operation of ABB converter (2020-04-22, PLC, 3KB, 下载0次)
工业以太网交换机一种有源网络组件，支持不同的网络拓扑
结构 ：总线形、星形或环形光学或电气网络。这些有源网络
组件可以把数据传输到特定的目标地址。
SCALANCE X 产品系列是全新一代的 SIMATIC NET 工业以太网
交换机。它由不同的模块化产品线组成，这些产品线也适用
于 PROFINET 的应用，并与相关的自动控制任务相协同。
Industrial Ethernet Switch An active network component that supports different network topologies.
Structure: Bus, star or ring optical or electrical network. These active networks
Components can transfer data to specific destination addresses.
SCALANCE X product series is a new generation of SIMATIC NET Industrial Ethernet switch. It consists of different modular product lines, which are also suitable for the application of PROFINET and cooperate with related automatic control tasks. (2019-06-17, PLC, 2856KB, 下载4次)
西门子1200与labview通过以太网通信，包括 PLC和labview 的全套程序及使用说明，本人亲测能用，欢饮下载！
Siemens 1200 communicates with LabVIEW through ethernet, including the complete program of PLC and LabVIEW and the instructions of use. I personally test the usage and download it with pleasure! (2019-03-30, PLC, 9670KB, 下载20次)
ifix与S7-300,S7-400以太网通信驱动
IFIX and S7-300, S7-400 Ethernet communication driver (2018-10-27, PLC, 8936KB, 下载3次)
1.[酷德网]CODESYS培训（第二部分 编程入门）；
2.[酷德网]IEC-61131-3-Programming-Industrial-Automation-Systems-Karl-Heinz；
3.CoDeSys_3.x基础编程及应用指南；
4.CoDeSys_SoftMotion_运动控制中文编程手册；
5.CoDeSys_SoftMotion_运动控制中文编程手册_mirror
6.Structured Text；
7.和利时公司+CodeSys+编程手册
1.[cool German network]CODESYS training (second part of the programming introduction);
2.[cool]IEC-61131-3-Programming-Industrial-Automation-Systems-Karl-Heinz net;
3.CoDeSys_3.x basic programming and Application guide;
4.CoDeSys_SoftMotion_ sports control Chinese programming manual;
5.CoDeSys_SoftMotion_ motion control Chinese programming manual _mirror
6.Structured Text;
7. Hollysys +CodeSys+ programming manual (2018-01-11, PLC, 32869KB, 下载57次)
WB系列智能电量传感器可以对各种交、直流电量参数进行实时采集计算、分析,它具有RS485智能端口，可以同PLC、工控机进行通讯，也可以多个WB智能传感器组成RS485网。本文将详细介绍WB智能电量传感器与西门子PLC S7-200 CPU的通讯方法，包括硬件的连接和软件的编程。
For AC. and DC. Parameters , WB Intelligent Sensor can real-time collect , calculate and analyse. WB Intelligent Sendot's RS485 Port is used to communication with PLC and IPC ,and several WB Intelligent Sensors are used in the RS485 network. Now I will introduce the communication between WB Intelligent Sensor and Siemern PLC or S7-200 CPU, and the connection of hardware and design of software about communication. (2017-12-22, PLC, 112KB, 下载6次)
PLC控制印花机的程序，供各位爱好者参考，谢谢。
PLC control printing machine procedures for your lovers reference, thank you. (2017-09-01, PLC, 35KB, 下载6次)
一个很实用的西门子1200PLC之间的通信，数据
A very practical communication between Siemens 1200 PLC, data (2017-08-02, PLC, 1812KB, 下载18次)