In industrial automation, a PLC panel can have a perfect program and still behave incorrectly if the electrical installation has noise or grounding problems.
Electrical noise can cause problems such as:
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Read MoreUnderstanding Live Zero and Signal Faults in 4–20 mA Loops
In industrial instrumentation, one of the most important concepts for automation technicians to understand is this:
In a 4–20 mA signal, 4 …
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