Yokogawa 202 Field Mounting Rate Totalizer Bedienungsanleitung PDF herunterladen (Seite 16)

3.2 CALCULATION OF RATE AND TOTAL

3.2.1 Analog Input

The flowrate, R, is calculated as follows:

R = SA if the linear relationship is selected

or R = S if a square law relationship is selected.A

where A = the input value.

S = the span.

At the minimum input (ie. 4mA), A = 0, and at the maximum input (ie. 20mA),

A = 1.

The Span, S, can be set during calibration anywhere in the range of 0.000001 to

999,999.

The Span, S, is programmed in units of volume per timebase (ie. litres/minute or

kilograms/hour). This also means that the Total will be displayed with the same

unit of volume, ie. litres or kilograms.

14 Programming

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Yokogawa 202 Field Mounting Rate Totalizer Bedienungsanleitung Seite 16