Milltronics LevelGenie Dokumentacja

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

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

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

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

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

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

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

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

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

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

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

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

FIG-1 OUTLINE & MOUNTING DIAGRAM

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FIG:3 EASILY AVOIDABLE INSTALLATION ERRORS.

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

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

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

II.Power RequiredTransducerRangeoutputSet PointsSet Point HysterisisResponse TimeTime DelayRepeatabilityTemperature EffectsTemperature RangeSeparation

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

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

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

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