There is no issue about detecting an image is loaded, or if a web browser can access a local URL. We're trying to display an image, based on the part number of the item thats being produced on station. So if part number changes, image should also change. Issue is, PLC is getting that part number from an outside source. So, when a new part with new number comes, image should change. But since there isn't any image named like that in WebIQ project folder, it wouldn't show anything. To prevent this, a new image should be uploaded to WebIQ project workspace, before that new part is being produced. But, we want a program that runs without requiring an PLC programmer to connect to PLC and upload images to WebIQ project. If there is a simple way, like my examples, we can teach it to line engineers or operators, so when a new type is introduced, they can just upload images and station should continue. I sincerely hope I made it clear and hope you can understand it better now. Thank you.
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