Emerson 3051S Dokumentacja Pobierz pdf (Strona 117)

Reference Manual

00809-0100-4801, Rev FA

October 2010

7-13

Rosemount 3051S Series

The Detection Configuration screen (Figure 7-11 and Figure 7-12) allows for

configuration of sensitivity threshold values for tripping the diagnostic and

how to receive the HART alert or analog alarm.

Figure 7-11. Detection

Configuration screen for

Standard Deviation & Mean

Table 7-2. Mean Verification Criteria

Parameter Definition

None Do not perform any verification checks for mean.

3 Stdev (default) If the difference between baseline mean value and the verification

value exceeds 3 standard deviations, diagnostic will stay in Verification

mode.

6 Stdev If the difference between baseline mean value and the verification

value exceeds 6 standard deviations, diagnostic will stay in Verification

mode.

2% If the difference between baseline mean value and the verification

value exceeds 2%, diagnostic will stay in Verification mode.

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Emerson 3051S Dokumentacja Strona 117