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MFC C++ classes. These classes implement modbus protocol over serial ports using RTU or ASCII transmission. There is also a class that is used for communicate with slaves through TCP/IP network using Open Modbus protocol. The C++ source was build using Visual C++ 5.0.

Modbus Master Automation Server - This is an ActiveX out-process (.exe) server. It's intended to be used with any tool that support automation like Visual Basic , Microsoft Office app's (Excel, Word97, Access), etc. You can use this component to communicate with modbus slaves using serial port or through TCP/IP network. It's also works as an interface between TCP/IP clients and serial devices connected on a serial port.

Fig 1 - Connection using open modbus protocol with slaves that use RS-232 for connecting with a PC.

Modbus Automation Client - This is a simple application that use the ActiveX server and is intended to test the installation, read and write registers or coils.

Modbus Java Class - This java class works as TCP/IP client mentioned above. You can not access serial ports directly with this class, you can use Modbus Automation Client to configure the Modbus Master Automation Server to communicate with Java Clients and serial devices. This class can be used to build applets that run inside Internet Explorer or Netscape.

Download:

Microsoft DCOM for Windows 9X - Install DCOM95 or DCOM98 if you are using win95 or win98.

The Tripod service where this page is hosted has some kind file cache server for the zip files. The download of zip file can take some time to start or maybe you have to retry the download of the desired file. Sorry for this inconvenience.

mfcatl.zip - MFC and ATL Run-Time Files ( mfc42.dll,Msvcrt.dll,Atl.dll) from Visual C++ 6.0. This version is compatilble with programs made with Visual C++ 5.0. Download and install these files if you do not have Visual C++ 6.0 with the latest service Pack.

You need a version of zip that support long file names. Maintain directory structure when extracting files.

Version 1.02 - Made with Visual C++ 6.0

Source Code - modsrc02.zip - This file contain all source code,MCF, Automation Client ...

Executables and Documentation - mod102.zip - All the html files of this site and the files needed to install the programs in your computer.

Version 1.01 - Made with Visual C++ 6.0

Mirror Site: mbfull.zip - This is a single file download with all VC++ runtime files , source code and executables stored at Winsite (www.winsite.com) . Try mbfull.zip link if you can't download from this site.

Additional Samples

Delphi Sample - DelphiEx.zip - Simple dephi sample made by Alper Celik

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