cmodbu.htm

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<title>CModbus class</title>
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<p align="left"><font size="5"><strong>CModbus</strong></font></p>

<p>CModbus is MFC base class utilized for implement the modbus protocol, building messages
that will be transmitted to slave devices and interpreting slave response. Only the basic
modbus functions were implemented, read and write output/input registers and coils.</p>

<p>This is an abstract base class.It's not possible to create CModbus objects. Consult the
derived classes below.</p>

<p><a href="local.htm">CLocalModbus</a> This class connect with the serial com ports using
windows API functions. </p>

<p><a href="remote.htm">CRemoteModbus</a> employed to connect with slaves using <a
href="http://www.modicon.com/OPENMBUS/">Open Modbus Protocol</a> and TCP/IP for
transmitting modbus messages.</p>

<p><a href="automod.htm">CAutoModbus</a> this class communicate with a <a
href="Autosrv.htm">COM automation server</a>, also included with this package, that was
intended to send modbus messages from visual basic language. This COM server was made
using ATL, see Modbussever project.</p>

<p><font size="4"><strong><a href="mfcins.htm">Installation</a> , <a href="modbuimp.htm">Class
Members</a></strong></font></p>

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