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/*  Readme for the nModbus Version update history  */

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Welcome to nModbus.

    nModbus is a C# 3.0 implementation of the Modbus protocol.

    It provides connectivity to Modbus slave compatible and applications,

    and supports Modbus serial RTU, Modbus serial ASCII, and Modbus TCP protocol.

    The offical version can be found on the web site 

    http://www.nmodbus.com/Downloads.aspx.htm

    

    ICPDAS has modified it for easier using.



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License

===============================================================================

Copyright (c) 2006 Scott Alexander



Permission is hereby granted, free of charge, to any person obtaining a copy of

this software and associated documentation files (the "Software"), to deal in 

the Software without restriction, including without limitation the rights to 

use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies 

of the Software, and to permit persons to whom the Software is furnished to do 

so, subject to the following conditions:

    The above copyright notice and this permission notice shall be included in 

    all copies or substantial portions of the Software.



THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 

IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 

FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 

AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 

LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 

OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 

SOFTWARE.



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Version Comparision

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                     [WinForm Version]             [WinCE Version]

Files:               nModbusPC.dll, log4net.dll    nModbusCE.dll, CABC.dll, FC19.dll

Windows Framework:   Framework 2.0                 Compact Framework 2.0

Target:              Regular Windows PCs           ICP DAS PACs with WinCE 5.0/6.0

NAP OPC Support:     N/A                           Yes



Note1: The WinForm version is modified with the source on nModbus.com.

       

Note2: The WinCE version can be used on ICP DAS WinCE based PACs,

       and the Modbus/TCP server function and Modbus/RTU slave function can corwork 

       with NAP OPC Server that running on the PC.

       Please see the update history for details.

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Documentation

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    1. NModbus_net-2.0.chm



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Download URL

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You can download the ICPDAS's version and demo (C#,VB.Net) from the web site,

nModbus WinForm version:

    DLL: (nModbusPC.dll, log4net.dll) 

        

    http://ftp.icpdas.com/pub/cd/8000cd/napdos/modbus/nmodbus

    

    Demo:

    http://ftp.icpdas.com/pub/cd/8000cd/napdos/modbus/nmodbus/demo

    

nModbus WinCE version:

    DLL: (nModbusCE.dll, CABC.dll, FC19.dll)

    http://ftp.icpdas.com/pub/cd/winpac/napdos/wp-8x4x_ce50/sdk/nModbus/

    

    Demo:

    http://ftp.icpdas.com/pub/cd/winpac/napdos/wp-8x4x_ce50/demo/nmodbus/





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Update History

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Version 1.13.0.0 [2024/09/06] by Jeffery
- Modify: Change the COM port default setting of Modbus RTU master to automatically scan when the program starts.

Version 1.12.0.0 [2010/08/24] by Mac

- First Release.



- NEW: Support OPC server connection for CE version.

- Modify: Create a thread to make Modbus RTU slave COM to listen for PC and CE version.

          User can call Listen(), and the program will not be blocked.



           