Vega MINITRAC 31 - Instruments with intrinsically safe signal output

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5Setupwiththedisplayandadjustmentmodule
MINITRAC 31 • Foundation Fieldbus
62076-EN-190704
Prerequisites
Thefollowingrequirementsmustbefullledforreliableandsafe
operation:
•
Thetubemustbelled.Theremustbenoairbubblesinthetube
•
Thesourcecontainerisswitchedon
•
A sample point is close to the measuring point
Warning:
Whenthesourcecontainerisswitchedon,thetubemustalwaysbe
lled.Ifthetubeisempty,therecanbeanincreasedlocaldoserate.
Makesurethatthetubeislledevenincaseofplantdowntime,or
switchthesourcecontainero.
Carryoutasetupinthesequencedescribedinthefollowing.
Caution:
Duringtherstsetuporafteraninstrumentresettheinstrumentstarts
withpresetstandardvalues.Thesevaluearenotsuitableforyourap-
plication and must be replaced by real values.
5.2.1 Setup
Enter here, the respective application.
This menu item enables adaptation of the sensor to the requested ap-
plication.Youcanchoosebetweenthefollowingapplications:"Level",
"Density", "Limit level", "X-ray alarm" or "Real value correction".
Inthismenuitemyoucanenterthemeasuringrange(min.andmax.
processvalue)ofthesensor.
Thesesettingsinuencethecurrentoutputofthesensor.
Enterinthemenuwindow"Max. process value"themax.density
value,forexamplein"g/cm
3
". This corresponds to an output current
of 20 mA.
Enterinthemenuwindow"Min. process value" the min. density value,
forexamplein"g/cm
3
". This corresponds to an output current of 4 mA.
Instrument start
Application
Adjustment