3 Block MEASURED VARIABLES PROline Prosonic Flow 93 FOUNDATION Fieldbus
14 Endress+Hauser
3.1.3 Function group: CALCULATED MAIN VALUES
MEASURED
VARIABLES
A
Þ
MEASURED VALUES AAA
Þ
MAIN VALUES CH1 000
ß
MAIN VALUES CH2 006
ß
CALC. MAIN VALUES 008
Function description
MEASURED VARIABLES → MEASURED VALUES → CALCULATED MAIN VALUES
Displays the calculated measured values. The measured values of both channels are used when
calculating the values.
Note!
• The engineering units of all the measured variables shown here can be set in the “SYSTEM UNITS”
group.
• If the fluid in the pipe flows backwards, a negative sign prefixes the flow reading on the display.
VOLUME FLOW
AVERAGE
(0083)
Displays the calculated average volume flow.
Calculated from:
(VOLUME FLOW CH1 + VOLUME FLOW CH2) / 2
Display:
5-digit floating-point number, including unit and sign
(e.g. 5.5445 dm³/min; 1.4359 m³/h; -731.63 gal/d; etc.)
VOLUME FLOW SUM
(0084)
Displays the calculated total volume flow.
Calculated from:
VOLUME FLOW CH1 + VOLUME FLOW CH2
Display:
5-digit floating-point number, including unit and sign
(e.g. 5.5445 dm³/min; 1.4359 m³/h; -731.63 gal/d; etc.)
VOLUME FLOW
DIFFERENCE
(0085)
Displays the calculated difference between the volume flows.
Calculated from:
VOLUME FLOW CH1 - VOLUME FLOW CH2
Display:
5-digit floating-point number, including unit and sign
(e.g. 5.5445 dm³/min; 1.4359 m³/h; -731.63 gal/d; etc.)
SOUND VELOCITY
AVERAGE
(0086)
Displays the average sound velocity calculated.
Calculated from:
(SOUND VELOCITY CH1 + SOUND VELOCITY CH2 ) / 2
Display:
5-digit fixed-point number, incl. units
(e.g. 1400.0 m/s, 5249.3 ft/s)
FLOW VELOCITY
AVERAGE
(0087)
Displays the average flow velocity calculated.
Calculated from:
(FLOW VELOCITY CH1 + FLOW VELOCITY CH2) / 2
Display:
5-digit floating-point number, including unit and sign
(e.g. 8.0000 m/s, 26.247 ft/s)
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