Flowline LU78 EchoSwitch Manual do Utilizador descarregar pdf (Página 7)

RevA MN300282 7of34

GETTINGSTARTED(continued) StepFour

TOP‐LEVELMENUDescriptions

 UNITS–Allowsendusertoselecttheunitsforconfigurationandoperation.

o Select between Inches, Centimeters, Feet, Meters or

Percent.

o PressEXITtoreturntotheTOP‐LEVELMENU.

 TANK–Allowstheendusertoconfiguretheoperationalrange

fortheswitchaswellasthe4‐20mAoutputsignal.

o HEIGHT – Distance from the transducer face to the

bottomofthetank.

o FILL‐H – Maximum fill height of the liquid from the 

bottomofthetank.

o Note: The 4 and 20 mA points are set by settingthese

twopoints.

 The 20 mA point is at the Fill‐H and the 4 mA

pointisatthebottomofthetank.

 The4and20mAsetpointscannotbereversed.

o PressExittoreturntotheTOP‐LEVELMENU

o Note:ifUNITSissettoPercent,thenTANKwillnotappear.ToviewTANK,setUNITStoanyofthe

following:Inches,Centimeters,FeetorMeters

 RELAY 1, RELAY 2 or RELAY 3 – Allows end user to configure the function and operation of each relay.

Each relay has a small black circle that appears when the relay is energized.When the relay is de‐

energized,theblackcircledisappears.

o PUMP – Pump operation allows for two separate level set points (Relay ON and Relay OFF).

ChoosebetweentheEMPTYorFILLoperation.Bothoperationsrequiresetting alevelforONand

anotherlevelforOFF

 EMPTY–usedtocontrolapumpthatemptiesatank.

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 Typically,RelayONistheHIGHsetpointandRelayOFFtheLOWsetpoint.Relaywill

energizeatthehighsetpoint(ON)andremainonuntilthelevel

reachesthelowset

point(OFF).Itwillremainoffuntilthelevelreturnstothehighsetpoint(ON).

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Flowline LU78 EchoSwitch Manual do Utilizador Página 7