Modbus/CUBLOC Toggle LED Example

[Mike]

This is the source code for the Toggle LED Modbus/CUBLOC example in the CUWIN 5000/6000 series user's manual. It is simply a form with a button that toggles an LED on the CUBLOC study board using the Modbus communication protocol. For a detailed explanation of this code, please see the CUWIN 5000/6000 series user's manual here: http://www.cubloc.com/download/cuwin/en ... manual.pdf

* You can learn more about the Modbus protocol here: http://www.modbus.org/specs.php
* Learn about programming the serial port using the .Net Framework here: http://msdn.microsoft.com/en-us/library ... 90%29.aspx
* Attached projects for both C# and VB.Net

Here's the source code for the CUBLOC:

Code: Select all

Const Device = CB280
Opencom 1, 19200, 3, 50,50
Set Modbus 1, 1, 20

Ramclear

Usepin 0, Out

Set Ladder On

Do
Loop


[Mark Thompson]

Hi Mike

I cant seem to compile this (using Visual Studio 2010) can you please send it to me on notepad (VB version).
I have a CUSB 14R and would really appreciate it if you could explain how to calculate the crc and in regards to the outputs, would the output P40 on the CUSB 14R be address 28?

Many thanks

[Mike]

Microsoft has not released the "Smart Device Development Kit" for Visual Studio 2010, so the latest version of Visual Studio that can be used to develop programs for Windows CE devices (at least at the time this post was written) is Visual Studio 2008.