C#

In this video I explain how to use NModbus to read and write values from Modbus holding registers. This video follows the article “Modbus with C#” and should dissipate the doubts around setting up Modbus and using the functions provided. I’m using a modbus simulator and comport simulator, so it ...

In this article I explain how to implement a Siemens S7 plc driver by using the open source driver S7.Net. You can find S7.Net sources on GitHub: https://github.com/killnine/s7netplus. How to video Summary Why S7.Net: features and capabilities of the driver Documentation on the driver and S7 protocol Getting started with ...

While it’s fairly common, when working in automation field, to make software that runs on resistive touch-screens, I admit that it’s not a trivial task to make a good user experience, especially with a desktop technology like WPF and C#. In this article I posted some of the problems that ...

In a recent comment i came across Snap7, a new Siemens S7 open source library to communicate with Siemens Plc S7-300, S7-400, S7-1200 and S7-1500. It supports many languages (C++, C# and more) and it’s multi-platform. The library can be downloaded from http://snap7.sourceforge.net and the official page of the project ...

With this article I want to show how to create a webservice in C# to communicate with an OPC-XML-DA server, like the one of SIMOTION D plc. OPC-XML-DA is a communication protocol based on SOAP and XML. To connect to a OPC-XML-DA server you need a WSDL file, that defines ...

UPDATE 08/03/2017: I see that this article is quite popular, however it takes a simple approach to get you started, by using timers and other shortcomings. If you want to build your HMI with WPF and MVVM you can check also my new series HMI with C# and WPF. In ...

Wpf is an advanced technology to build responsive user interfaces, but for many tasks (MessageBox, Folder Browser, Progress Dialog) you still have to use the old Windows Forms dialogs. Windows 7 replaced this old forms with new ones to provide a better User Interface and a better feeling to their ...

AdvancedHmi is a free and “almost open-source” HMI framework written in VB.Net that offer some drivers for PLCs, and also offer free SCADA objects for winforms users. I say “almost open-source” because the code of the two main libraries is not provided (MfgControl.AdvancedHMI.Drivers.dll and MfgControl.AdvancedHMI.Controls.dll), but it’s provided how to ...

In this post you will find how to use nModbus with C# and how to create a simulation enviroment to test your program with Modbus. Other useful resources that you can find in this post are: using a Modbus simulator Creating virtual Com ports Using sniffer tools to debug the ...

I recently started to use GIT as source code management system, and because i’m not made for commands written in console-like windows, i was looking for a guide on how to install and use the GIT Gui for Windows. I found this guide written by nathanj here and i think ...