Emerson Rosemount 8600 Series, Справочное руководство, Страница: 117 / 130

109 Rosemount 8600 Vortex Flow Meter
Reference Manual
May 2019
Electronics Verification
00809-0100-4860, Rev BF
To verify a 4–20 mA output
For a given input frequency F (Hz), and K-factor (compensated), find output current I:
where C
x
is the unit conversion ( Table C - 1 on page 110 ), URV is the upper range value (user
units), and LRV is the lower range value (user units).
To verify a special units output
For special units, first divide the special unit-conversion factor into the base unit factor C
x
.
C
20
= C
x
/sp. units conv. factor ( Table C - 1 on page 110 ).
Unit conversion table (user units to GPS)
Use the following table to assist with calculated frequencies when using user defined units.
I
F Hz   K Cx    LRV – 
URV LRV –
--------------------------------------------------------------
16
 
 
 
 
4 + =