1、S7 协议主要针对西门子相关设备通信。先了解基本通信对象、通信环境、通信报文,再处理 S7COMM 通信库的封装与测试。 2、 西门子设备通信 - PLC :系列 LOGO 、 200
2023-05-09 10:48
罗克韦尔750系列变频器20-comm-D 通讯
2024-11-04 10:05
There are three classes that make up the definition for communication devices: the Communication Device Class,Communication Interface Class and the Data Interface Class. The Communication Device Class is a device level definition and is us
2009-04-11 19:35
Universal Serial Bus Common Class Specification This document describes requirements for USB Classes and their specifications. In addition, this document describes attributes and services that may be common to more than one clas
2009-04-11 19:40
1 Overview 11.1 History of Mobile Cellular Systems 11.1.1 First Generation 11.1.2 Second Generation 21.1.3 Generation 2.5 51.2 Overview of 3G 81.3 Proposals for 3G Standard 101.3.1 WCDMA 101.3.2 Advanced TDM
2009-06-19 16:51
Ubuntu Linux Toolbox 英文版
2017-02-28 23:02
2012-12-20 10:55
linux系统中comm命令用法详解 linux系统下的comm命令是一个非常实用的文件对比命令。 comm命令功能:选择或拒绝两个已排序的文件的公共的行。 comm命
2019-07-04 08:22
可以在SCU 的启动列表中,编辑WSACTASK.EXE 的参数:C。添加该参数后,可以抑制系统中所有COMM 的报警,不被发送到AlarmSummary 或是报警文件中。但是在有Alarm
2017-10-12 17:25
CAN_comm数据手册,有需要的下来看看
2016-12-14 16:39