The OPC Web HMI.NET product is for creating HMI applications to view on smartphones like the iPhone and Android, and non windows operating systems like the iPad.  All OPC Systems.NET HMI products support Internet communications, so consider OPC WPF HMI.NET or OPC Windows HMI.NET for the best user experience for remote HMI applications.  The OPC Web HMI.NET product includes the windows services to read and write OPC Items and Tag Parameters and process data to unlimited local and remote applications developed with the OPC Web Controls components.

All components are native ASP.NET components providing real-time update and data control using AJAX technology for real-time update without the need to refresh an entire page.

Develop ASP.NET applications for HMI systems for unlimited browser interface.  Simply define the properties you desire to control from real-time data from any licensed local or remote OPC Systems Service.

For step by step instructions of using OPC Web HMI.NET review the Quick Start Example-Web HMI section or view the following video presentations.


Quick introduction to developing HMI web applications.


Detailed instructions for creating HMI web applications.


OPC Web Controls:

The following sections provide details of all properties of all controls.


Add OPC Web Controls Components to Visual Studio.NET

Special consideration for all WebForms for real-time update.

ASP.NET registration for IIS

Deployment of ASP.NET application

OPC Web Refresh

OPC Web Controls Button

OPC Web Controls CheckBox

OPC Web Controls CheckBoxList

OPC Web Controls DataGrid

OPC Web Controls DropDownList

OPC Web Controls HyperLink

OPC Web Controls Image

OPC Web Controls ImageButton

OPC Web Controls Label

OPC Web Controls LinkButton

OPC Web Controls ListBox

OPC Web Controls MessageBox

OPC Web Controls Panel

OPC Web Controls RadioButton

OPC Web Controls RadioList

OPC Web Controls TextBox