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Old January 9th, 2018, 02:49 PM   #1
CJlikesCHAIRS
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Logix 5000 Add-on Instruction - Fast way to change timer preset values universally?

So I have timers in an add-on instruction that work perfect, however I want to change the preset values in all of the instances at once (about 45 instances). Right now, when I change the value in the add-on logic, I need to go to controller tags and change the data type of them (to anything else) then change it back to the correct add-on. Not hard, but annoying to have to explain to the field guys.

Is there a faster way to do this?
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Old January 9th, 2018, 05:02 PM   #2
J E
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You could create a new input parameter in the AOI and move it into the timer preset in the AOI logic.

Then create a PLC tag and assign it to that input parameter for every instance of the AOI. Change the value of the PLC tag to change all of the timer presets.
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Old January 9th, 2018, 06:58 PM   #3
CJlikesCHAIRS
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Good idea, that's great for when I have no idea what the preset might be, and the field guys might have to try a bunch of times. Thanks!
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