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工控行业一般VB语言用在哪些方面，要怎么学？

n年前用VB做过几个不同形式的工控系统。

1）VB很适合作上位机的用户界面（UI）

2）一般地，上位机与现场设备或现场控制设备之间，采用RS232C/485/422通信。所以，掌握串行通信原理，比如，什么是同步传输，什么是异步传输，什么是奇偶校验，什么是CRC校验，什么是面向字符（字节）的传输，什么是透明传输，等等，这些概念对构建一个上位系统非常重要。对于VB6而言，就是掌握MSCOMM控件；对于VB.NET而言，掌握SerialPort

3）有的时候，上位机于现场设备之间的通信，采用特定的接口板块。例如，在上位机PCI卡槽中插入特定功能的接口版。VB通过操纵这些接口版，与设备通信。通常，接口版制造商提供DLL形式的编程接口，VB调用这些DLL即可操纵这些接口版。所以，需要掌握VB调用DLL的知识。

4）工业以太网得到越来越多的应用，VB可以通过工业以太网操纵设备。这需要掌握Socket编程。对vb6而言，就是WinSock控件；对VB.NET就是SOCKET类

相关问答

Q1: 求滨崎步的全部演唱会的高清版下载

去步吧找吧 有很多crcvb.net的

滨崎步所有演唱会永久保存下载地址 全RFcrcvb.net的

2000 concert tour vol.1

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2000 concert tour vol.2

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Countdown Live 2000-2001

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Dome Tour 2001

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Countdown Live 2001-2002

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Stadium TOUR 2002 A

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ARENA.TOUR.2002 .A

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Countdown Live 2002-2003

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A museum

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ARENA TOUR 2003-2004

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Countdown Live 04-05

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CDL 2005-2006

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ARENA TOUR 2006 A~(miss)understood~

Disc 1

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Disc 2

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Disc 3

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BEST of COUNTDOWN LIVE 2006-2007A

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ASIA.TOUR.2007.A.～Tour.of.Secret～

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CDL 2007-2008

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together when【best artist】

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Surreal【CDL 07-08】TS

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MIRRORCLE WORLD A NATION 08

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Q2: C语言转换为VB.NET

Option Explicit On

Option Strict On

Imports System

Module Program

Sub Main()

Dim y,m,t As Integer

begin:

' 输入数据时一行一个

y=CInt(Console.ReadLine())

m=CInt(Console.ReadLine())

t=CInt(Console.ReadLine())

If y

200 Then

Console.WriteLine("ERROR")

goto begin

End If

pr(y,m,t)

Console.Write("Press any key to continue . . . ")

Console.ReadKey(True)

End Sub

Function pr(y As Integer,m As Integer,t As Integer) As Integer

Dim ye,[Me],i As Integer

ye=CInt((m+t-2)/12+y)

[Me]=(m+t-2) Mod 12+1

End If

End Function

Function mday(y As Integer,m As Integer) As Integer

Dim day As Integer()={0,31,28,31,30,31,30,31,31,30,31,30,31}

Dim ad As I

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