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Author Topic: Invert the state of the LED's  (Read 788 times)

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Invert the state of the LED's
« on: July 08, 2019, 04:36:39 PM »

I have some status LED's on screen, they are tied to inputs that are marked active low in the Mach4 Input Signals Control settings. I was wondering if it's possible to make the LED's show the inverted state of the input, output or register so that they are not lit when the signal is low.

Currently I am just inverting the LED color in the PLC for those inputs, but this gets messy with many inputs.

The servo drive alarms for example, are typically active low. The LED shows as active on the screen when there isn't an alarm.