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Hello all,
I've seen many opinions and guesses on how much expansion there should be in regards to discrete I/O in a panel or subpanel. Is there an IEC standard that spells this out for extra discrete I/O?
I've seen many opinions and guesses on how much expansion there should be in regards to discrete I/O in a panel or subpanel. Is there an IEC standard that spells this out for extra discrete I/O?