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Showing results for tags 'external'.
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Hi, Im currently working on a project with a M91-2-T38. The Enter HMI button does not work. I've thought of having external button connected to the INPUT port of the PLC, and using it (in software) to act as the key in the HMI keyboard (see attached image). Is it possible to assign the function of the Enter HMI button to an input? Thanks In Advance KaWu
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Hi! Im currently working on a project with a Vision 130 OPLC. In my application, the people interacting with the HMI, have to press the keys many times, specifically the arrow keys and the ENTER key. I'm worried about the lifespan of the keypad and i dont want it to damage. As a solution for this, I've tought of having external buttons connected to the INPUT port of the PLC, and using them (in software) to act as the keys in the HMI keyboard (see attached image). However, I'm using a List of Text as Keypad Variable Entry, and whenever i go into keypad variable entry mode (blinking),
