Monday, 6 June 2016

Modbus RTU Client

ModRTUClient is a VB.net application to Read and Write data register (Coil Output, Digital Input, Analog Input, Holding Register) from Modbus RTU (Master) device.

The different with Modbus RTU VB6 is, this project created using Visual Studio 2010 Express, and there is options to select I/O type register.



Please download the project from here.
* revised version (rev.1.2), please rename file extension to .zip

How to use:
1. Select the Port
2. Select Baudrate
3. Input Slave ID, Start Address register, and Register Quantity
4. Select type of I/O (Coil Output, Digital Input, Analog Input, Holding Register)
5. Select Data Type
6. click Connect button
7. click Read button
8. to Write, input Register to write, input the Value, then click Write button
9. Disconnect button for Disconnect from Modbus Master
10. Exit button for quit from application


Thank you..


note for the revised version (r1) :
- data type only Decimal
+ add combo box for select Parity
> edit script for sub Connect


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