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IanMac

allen bradley Allen Bradley HMI PVPlus 700 Number Pad

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I am looking to open a number key pad on the display and when the operator is entering in his passcode. I would like to hide the numbers which he is entering as this is his master log in for the company network. Has anyone found away around this problem.

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I ended up creating my own number pad that interacts with code in the PLC to blank out the entry. It took a bunch of work to get it right, but it does work. At each button push, it checks the existing number to make sure it won't exceed the max value for the register (I originally wrote it for a MicroLogix, so 32767 is the max it will take).

I tried to make it self contained within the HMI using macros but I had a hard time making it work.

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