So, we can do a whole bunch of stuff from here. As long as this view's open, whenever the binding updates, we'll call our script. Now if we head back to the interface there, to kind of wrap up this little lesson here, this transform's almost like a property change script, if you think about it. And you can see, we're showing the same value that's on my tag on the component. So, how about in this case, we'll check to see if the value is greater than 100, if it is, we'll return the string "Too hot", otherwise just return whatever the value is. Ignition by Inductive Automation is an industrial application platform with tools for building solutions in human-machine interface (HMI), supervisory control and data acquisition (SCADA), manufacturing execution systems (MES), and the Industrial Internet of. And, of course, the self argument which gives us a reference to the component this transform is on. Inductive Automation released Ignition 8.1, which will help users develop Ignition projects more rapidly and use them more effectively.
You can see that we do have a built-in value object that's defined up above, as well as quality and timestamp. And how about just a real simplistic example, move this down a bit, and maybe we can just test to see if our value's past a certain point. So, I'm going to make a little bit of room here. The whole point of using a Script Transform is to take the value from the binding or the prior transform, do something with it, and then return something. Additionally, you generally want to return something here. Now, the Script Transform is ultimately part of a function definition here, so you want to keep this gutter clear, or have everything indented over. And you can see we get a little interface to start typing some Python code. Technically, the Script Transform can do the same thing that those other transforms can do, but you have to write the code. The other transforms can do quite a bit, and have very simple interfaces. Now, in most cases, the Script Transform probably shouldn't be your go-to transform. Ignition is a versatile SCADA platform from Inductive Automation that is quickly becoming one of the top choices for industrial automation solutions. Now the Script Transform will go and run a Python script, meaning you can do quite a bit. Using Dropdowns to Set Tag-Paths in Ignition. For development, you will want to allow unsigned modules.
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If you don't already have Ignition installed head to the Inductive Automation downloads page, download the correct package for your system and follow the installation instructions to get a gateway up and running. And we see I'm using a Tag binding, I'll add a transform, and we've selected the Script Transform. A running, 8.0+ version of Ignition to test your module in. I'd like to apply a Script Transform just to talk about what it can do. DELETE FROM Customers WHERE Name Inductive Automation.
This Label has its text property bound to this temperature Memory Tag. Most notably, you can run queries as part of a binding for any property on any window. In this lesson, we'll take a look at the Script Transform.