Milltronics LevelGenie Spezifikationen

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Inhaltsverzeichnis

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4.Digital Echo ProcessingVarious digital,statistically based, processing techniquesare employed to render the Level Genie immune to random noiseinputs

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IV.INSTALLATION1.Electronic PackageThe electronic circuits of the Level Genie UltrasonicLevel Switch are contained on a single printed circuitmotherbo

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5.Alarm Anti-Latch Circuit (stab select at A position)In some applications,the Level Genie is used to detectan object instead of a material level.Usua

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disable the alarm time delays while calibrating.The"10 ft. - 5 ft.'"toggle should be in the appropriateposition reflecting the desired

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d.within the vessel such as a supporting beam which wouldinterfere with the sound path between the transducer andthe material being measured.NOTEUltra

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V.CALIBRATIONBefore applying line powerto the Level Genie, ensure thatall pre-start-up checks (Section IV) have been completed.1.General Alarm Calibra

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9.h.i.j.SPECIFIC CALIBRATION OF HI-HI PROGRAM MODULE(OMIT IF OTHER PROGRAM USED)With the transducer placed at a distance from a fixedtarget representa

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a delay in output response by 3 seconds or 10 secondsdepending on the position of the delay toggle.IMPORTANTRotating the"NEAR"and"FAR&q

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2.Pump Up/Down Program Module----rActuationIn "pump down" operation,the liquid level must rise abovethe NEAR setpoint to de-energize the rel

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c.Set the "NEAR" potentiometer 1/4 turn from fully counterclockwise.a.Set the"FAR" potentiometer fully clockwise.This setsthe trip

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VI.MISCELLANEOUSChecks to make before pushing the Panic ButtonSYMPTOMCAUSEUnable to calibrate oneProgram module offset in socketsetpoint or inverted.H

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VII.MAINTENANCEThis equipment requires very little maintenance dueto its solid-state circuitry.However,a program ofperiodic preventive maintenance sho

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FIG-1 OUTLINE & MOUNTING DIAGRAM

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FIG:3 EASILY AVOIDABLE INSTALLATION ERRORS.

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CONTENTSSECTIONIIIIIIIVVVIVIIFIG.5b TRANSDUCER DO'S AND DON'TSFIG. 1FIG. 2FIG. 3FIG. 4FIG. 5FIG. 6FIG. 7TITLEGENERAL INFORMATIONSPEICIF

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a company to be controlled byThroughout the world Milltronics has become a namerespected for the high quality of its industrial process controls.The e

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I.GENERAL INFORMATIONThe Milltronics Level Genie Ultrasonic System is an entirely"Solid State Package",designed to provide contact closure a

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II.Power RequiredTransducerRangeoutputSet PointsSet Point HysterisisResponse TimeTime DelayRepeatabilityTemperature EffectsTemperature RangeSeparation

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Operating Modes*EnclosureWeight1.Pump up/down2.Hi-Lo alarm3.Hi-Hi alarm4.Lo-Lo alarmOne programming module suppliedwith unit.Additional modulesavailab

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III.THEORY OF OPERATIONTRANSCEIVER CIRCUITRY1.General DescriptionThe transceiver uses a single tuning section which istime-shared between the transmit

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Q6 and Q7 provide additional amplification. Q7 alsoserves as a detector charging C9 with the positive half-cycles of the received signal.Q8 is turned

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ECHO PROCESSING LOGIC1.General DescriptionThe digital echo processor establishes the necessarytiming and limit functions. Coincidently, statisticaltec

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