Signals & Analog

Raw counts

Definition

The integer an analog input module produces from its analog-to-digital converter, before scaling into engineering units.

The value is arbitrary and module-specific. There is no universal count range, so it should be read from the manual and then confirmed by injecting a known current.

Raw CountsWhat an analog input module actually hands the program: the count range, where 4 mA and 20 mA fall in it, how under-range and over-range show up, and why the module manual is the only source that counts.

Raw counts

Definition

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