Why field instruments operating voltage is 24 Vdc?
Why field instruments operating voltage is 24 Vdc?
(OP)
Why field instruments operating voltage is 24 Vdc?
please explain
Regards
Rajesh.M
please explain
Regards
Rajesh.M
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Why field instruments operating voltage is 24 Vdc?
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RE: Why field instruments operating voltage is 24 Vdc?
Low enough voltage that there is no electric shock risk during live maintenance- much safer than 120 VAC.
But not low enough to make circuits intrinsically safe without resorting to a device such as a Zener barrier.
RE: Why field instruments operating voltage is 24 Vdc?