Sandpiper RuppTech Stroke Counter/Batch Control Manual do Utilizador descarregar pdf (Página 2)

Batch Control/Stroke Counter Page 2Batch-sc-rev0611

520-180-000 3/02 Batch Control / Stroke Counter Page 2

Programming for Accuracy:

Batch Control Mode

Published pump performance is the starting

point for programming the batch controller.

But your actual system performance must be

veriﬁed, to achieve the expected 1 to 3% accu-

racy. This is accomplished through initial test

runs and measurement. On the following page

you will ﬁnd an example showing the recom-

mended sequence for verifying your system’s

actual performance.

Batch Controller Mode

Inthismode,theControlcanbeprogrammedtotransferaxed

volumeofproduct.APresetCountisprogrammedintooneoftheten

programstorageareas(P0-P9).Thistellsthepumphowmuchproduct

willbetransferred(one“batch”)eachtimetheControlisactivated.

ThereisaSTARTswitchandaSTOPswitchmountedonthefrontof

theControlforthispurpose.Thereisalsoaninternalconnectionfor

remoteSTARTandSTOPswitchesthatacustomermaywanttoinstall.

NOTE: Use a momentary contact switch when using a remote

start/stop control.

Inthebatchcontrolmode,theTotalCountfunctionremainsactive.

Attheendofashift(severalprogrammed“batches”)thecustomercan

referencethetotalstrokecountortransferredvolumeofuidhandled

duringthetimeperiod.Allotherbasicfunctionsremainactive(Scale

Factor,ResetTotalCount),aswellasadvancedfunctions(i.e.Preset

Count, multiple program storage, Reset Preset Count) which are

explainedlaterinthismanual.

TheBatchControllerModealsousesthePulseOutputInterfaceto

receiveacountfromthepump.Itrequiresanelectricsolenoidvalve

(availablefromWarrenRupp)intheairlinetothepump.This

valveis

anormallyclosed,3-way,ACvoltage(standardcontrol)unit,andis

purchasedseparately.Thesolenoidstartsandstopsthepumpthrough

thecontrol.Thepumpisstoppedbyturningofftheairsupplytothe

pump,afterithastransferredabatch,volumeorcountprogrammed

intothecontrol.Thepumpisrestartedbyturningontheairsupplyto

thepump.

In this Mode of operation the pump will start pumping when it

receivesasignalfromthecontrol.Thisopensthevalveintheairline.

Thesignalcanbeactivatedfromthecontrolmountedswitchorfroma

remotesignal.ThepumpwillstopautomaticallyoncethePresetCount

has beenreached.The pumpcanalso bestoppedmid-operation,

usingthecontrolmountedSTOPswitchorfromaremoteSTOPsignal.

Whenrestarted,thepumpwillcontinuetheoperationfromthepoint

ofinterruption.

Ifpowertothecontrolislostduringoperation,thepumpwillstop.

Whenpowerisrestored,thecontrolresetstotheP0program.The

pumpwillnotcontinueoperationwithoutreceivingaSTARTsignal.This

functionistopreventaccidentsorproductspillage.Beforere-starting

theunit,be

certaintoselecttheprogramwhichwasinterrupted.When

thepumphascompletedacycle,thePresetCountdisplaywillash

untilitisactivatedagain.Whenreactivated,thedisplaywillresetand

restartthecountfromthePresetCountselected.Ifthecountisstopped

mid-cyclefromtheSTOPswitch,thedisplaywillnotush.

When viewing the PRESET COUNT, a ﬂashing LED display means

the pump was stopped after COMPLETING the programmed

cycle.

If the STOP button is used to stop the operation mid-cycle, the

display will not ﬂash. When reactivated, the pump will continue

the cycle from the point of interruption.

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