Modbus_COM

短信群发系统，在一些业务范围广泛的公司中，当公司有了新的通知要告诉在外地的员工，通常使用拨打电话的方式，这样虽然能把事情说清楚，但是当在外的员工比较多时，工作量很大，为了解决这个问题，可以开发一个企业短信群发管理系统。企业短信群发管理系统主要利用硬件短信猫发送短信，并且可以查看SIM卡中收到的短信。(Mass messaging system, in a number of business a wide range of companies, when the company has a new notification to tell the staff in the field, normally used by calling the way, so although things can make it clear, but when the staff out for a long time compared , the heavy workload, in order to resolve this problem, can develop an enterprise management system for mass text messaging. Short Message management system for enterprises mainly use the hardware to send SMS text messages a cat and can view the SIM card text messages received.)

因为TWAIN的协议比较复杂,该程序,为你展示了TWAIN的使用(because the agreement is more complicated, the procedures for the display you use the TWAIN)

实验了界面组态和串口通信，完成了界面显示，通过串口变化功能(Experimental interface configuration and serial communication, completed through the serial interface display change function)

modbus通信协议的CSHARP说明，，对使用该通信协议的开发人员来说很有用途。 (modbus communication protocol CSHARP instructions, a useful tool for developers using the communication protocol.)

4QAM(QPSK)的调制解调以及计算误码率，最后将结果输出至表格。适合新手参考(The modulation and demodulation of 4QAM (QPSK) and the calculation of bit error rate, and finally output the result to the form. Suitable for novice)

电脑之间蓝牙的通信，相当于一个蓝牙工具吧。(Bluetooth communication between computers, the equivalent of a Bluetooth tool bar.)

一个与仪表通讯的上位机程序源码，采采用RS232通讯，协议为MODBUS (A host computer program source code with the instrument of communication, mining RS232 communication protocol MODBUS)

弯管机PLC程序，可以参考学习，结合自己使用的实际情况改设置就可使用。(The bending machine PLC program, you can refer to learning, combined with the actual situation of their use changed settings can be used.)

实现局域网内的通讯。类似于QQ聊天室可以群聊(Communication within a LAN.)

说明：  DDE CLIENT,用于dde方式读区服务器内容(DDE Client for dde reading of server content)