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c# plc modibus 通信
c# 串口 以太网通信 modibus 连接 plc
从文本框输入负数 -2 补码=反+1=进位+原数
Vb 清除输入缓冲区 输出缓冲区 c#用不用清除？？哪个函数？？
//發送二進制數據 ？？？？？？？？？？？？？？
private void SendBytesData(SerialPort serialPort)
{ ////从 文本框取得数据 如果负数 -2 怎么办？？？？
byte[] bytesSend = Encoding.Default.GetBytes(txtSend.Text);
spcom.Write(bytesSend, 0, bytesSend.Length);
}
通过MODBUS TCP读写PLC源码
功能模块一：读写PLC主模块
using System;
using System.Net;
using System.Net.Sockets;
public static void WriteWord(int mwAddress,int mwValue)
{写字到以太网
if (init_plc() == 0)
{
try
{
hi = mwAddress / 256;
low = mwAddress - hi * 256;
hi1 = mwValue / 256; ///////////16bit
low1 = mwValue - hi * 256;
sendBuf[7] = 6;
sendBuf[8] = (byte)hi;
sendBuf[9] = (byte)low;
sendBuf[10]
- 2022-07-10 15:42:30下载
- 积分：1
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dds信号发生器，基于9851.比较通用。
dds信号发生器，基于9851.比较通用。-dds signal generator, based on the 9851. more generic.
- 2023-05-25 17:45:04下载
- 积分：1
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PDA 开发源码,C#开发代码, windows Mobles 平台
PDA 开发源码,C#开发代码, windows Mobles 平台-PDA open source, C# development code, windows Mobles Platform
- 2022-03-22 08:38:00下载
- 积分：1
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At four
在四径信道条件下，仿真Ofdm调制通信系统的误码率曲线图-At four-path channel conditions, the simulation of communication systems Ofdm modulation bit error rate curves
- 2022-11-11 17:40:03下载
- 积分：1
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USB基本知识,自己整理，好用，适合新手
USB基本知识,自己整理，好用，适合新手-USB basic knowledge, their collation and ease of use for novice
- 2023-04-30 04:50:03下载
- 积分：1
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Through the MP (on behalf of one of P I) of high 4 to control, AA `BB`
通过MP（代表其中一个P口）的高4位来控制，AA`BB`-4，5，6，7脚。12细分，没行数组里面分4对，每对数第一个加到P口控制电流方向，第二个数控制通电时间。正转AA`-BB`-A`A-B`B,数组由1到12行的读取，反转B`B-A`A-BB`-AA`,数组由12到1行的读取。参数POWER表示电机启动还是不启动，DIRECT参数表示方向，SPEED表示速度等级，每项通电时间用数组中的植/SPEED。本程序没考虑要走多少步的情况，调用一次就走一步。-Through the MP (on behalf of one of P I) of high 4 to control, AA `BB`-4,5,6,7 feet. 12 segments, no line inside the sub-array of four pairs, each of the P added to the number of the first current direction of population control, the second time the number of control power. Are transferred AA `-BB`-A `AB` B, the array from 1-12 line read, reverse B `BA` A-BB `-AA`, array 12-1 by the line read. POWER express motor parameters activated or not activated, DIRECT express direction parameter, SPEED express speed grades, each time power array sik/SPEED. This procedure did not consider how to go step-by-step situation, call a step away.
- 2022-08-24 16:01:49下载
- 积分：1
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通信信号处理项目，移动通信中的MIMO系统的信道估计仿真~
通信信号处理项目，移动通信中的MIMO系统的信道估计仿真~
- 2022-04-10 14:51:45下载
- 积分：1
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下一代NGN网络 IMS的介绍。随着各大运营商开始组建IMS网络，IMS网络的前景越来越好，本文介绍IMS组网的网元，接口以及各种应用。...
下一代NGN网络 IMS的介绍。随着各大运营商开始组建IMS网络，IMS网络的前景越来越好，本文介绍IMS组网的网元，接口以及各种应用。-The Next Generation Network(NGN) s key is IMS.follow the china mobile build the IMS network, IMS will be the major telecom network future.
- 2022-07-08 18:40:31下载
- 积分：1
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this is a source code which can use for encryption of voice signal by using the...
this a source code which can use for encryption of voice signal by using the kasami sequence.Kasami sequence is a pseudo random sequence. -this is a source code which can use for encryption of voice signal by using the kasami sequence.Kasami sequence is a pseudo random sequence.
- 2022-11-15 16:55:03下载
- 积分：1
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用Visual Basic开发GPS的串行通信程序，实现可视化
用Visual Basic开发GPS的串行通信程序，实现可视化
-Develops GPS with Visual Basic serial communication procedure
- 2022-03-21 23:27:08下载
- 积分：1
