GE MN_12400 Brochure télécharger pdf (Page 10)

10 | GE Oil & Gas

General Data

User Interface:

• HandheldCommunicator

• Pushbuttonsoperationwithdigitaldisplay

• ValVuesoftware

• ValVueAMS*snap-on

• ValVuePRM*plug-in

• DTMthoughanyFDT/DTMcompatiblehost

Level Transmitter/Controller:

• Levelorinterfacelevelmeasurement

• Specificgravitymeasurementanddisplay(onlywiththe

displacer fully immersed)

• Zeroandspandigitalcalibration:

- independent zero and span adjustment

- current loop range independent from zero/span calibration

(can be changed at any time without zero/span re-calibration)

- manual or automatic calculation for reduced span and zero

shift for interface service

• Self-tuningforsmartfiltering

• Selectablelowandhighlevelalarms

• Loworhighfailsafeoutputsignalimmediatelyactivatedin

case of a failure detection

• Continuousself-diagnosticwithbargraph

• Continuousdatarecord:numberoffillings,lowleveltime,

high level time, working time

• Configurationcheck:analysisof12400databasetoavoid

bad mounting, out of range use

• Storageanddisplayofalarmsthathaveappeared

• Outputcurrentgeneratorforloopcheck

Level Controller:

• P,I,D...advancedcontrol

• Remotesetpointandcontrolleroutput

• Lowandhighcontrolleralarms(absoluteanddeviations)

• ProcesstrendthroughValVuesoftwaresuite

Level Switches:

• Twobuilt-insolidstateswitches:1A-30VDCmax

• Configurable:lowandhighlevelalarms,faultorreset

occurred, instrument in failsafe…

Second 4-20 mA Analog Ouput:

• Secondlevelvariablemeasurement,usefultoconnectalocal

level indicator

Action:

• Directorreverseviasoftware

Output Signal Filtering:

• Firstorderfilteringofoutputsignalwithadjustabletime

constant

• Smartfilteringofcontactlesssensoroutputsignal,to

eliminate noise before digital signal processing

Software and Hardware Locks:

• Softwarelockforpushbuttons

• Hardwarejumperlockforfullprotectionagainstparameter

change

Instrument

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GE MN_12400 Brochure Page 10

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