Each topic or feature is described separately with hands on example, we have a plan to develop YouTube Video and those will be posted later.
Installation, IDE, Architecture and First Example (Linear Gauge)
The HTML5 based HMI provided by Beckhoff is the most intuitive solution in the market today. TwinCAT now integrates the Human Machine Interface directly into the familiar environment of Microsoft Visual Studio®. Programming is unnecessary as the configuration is handled with ease using the TwinCAT HMI graphical editor. Follow these steps to install and and test a linear gauge example.
TwinCAT HMI Symbol Data
In TwinCAT a variable is called symbol. This symbol can be mapped or linked to PLC variable. Some symbols can be local to HMI server. That means it is not read from PLC. This page will describe how do we make the link between HMI and the PLC. This also explain the event system. So click here to continue.
TwinCAT HMI User Control, View, Region
There are various concept in TwinCAT HMI. User control are reusable block that can be created and used with different parameters. Views are used to show different views of the application. All these are described with tips and tricks. Please follow this link.
ADS and OPC UA Server
TwinCAT HMI can read data from the PLC, it can read from the custom library (extension) or from the OPC UA Server. The data from the OPC UA server can be treated in the same way as we do for ADS. HMI does not make any difference between from where the data is coming continue reading with this link.
Recipe types and recipes. A recipe type is a general description of a set of symbols, based on these we can create different type of recipes. These are comparable to class (recipe type) in object oriented programming from where we can make instances of class (recipes) with different attributes. Learn more with example.
How to develop TwinCAT HMI Extension
Java script is used heavily in TwinCAT HMI development. What will happen if something can’t be implemented by java script or if we want to isolate our business logic in remote servers and there it is not possible to implement by java script. TwinCAT HMI provides a way to implement the functionalities and use it as it has been a built in type. This page will describe how to build extension module for the TwinCAT HMI.
How to publish to HMI Server
When we are satisfied with our development then we need to publish the SCADA /HMI to a remote server so our operator can access it and use it. We need to install HMI Server (not HMI Engineering to the machine). Click on the image below to see how to publish HMI to serves.