
SEQUENTIALCOMMAND8OUTPUTS
TheI-55moduleisasequentialcommandwith8relayoutputs.Witheachimpulse,relayswillbeconnectedoneafter
one,anddisconnectingthepreviousone.
Thesequencecouldbeproducebyexternalimpulsesorthankstoaninternaloscillator.
TheoscillatorisadjustedwithapotentiometerinsertedinthePCB.Itincludesresetoutput,protectionagainstpolarity
inversion,indicatoroutputledandterminalstoconnectit.
Donotforgettoreadalltheinformationsheetinordertoobtainaperfectoperatingofthemodule.
OPERATING.
TECHNICALCHARACTERISTICS.
Voltage...................................................................................................12V.D.C.
MinimumConsumption.........................................................................50mA.
MaximumConsumption........................................................................60mA.
ExternalClock-inputmaxi.Frequency..................................................25Hz.
InternalClock-Mini.Connectiontimebyrelay.....................................0,3Sec.
InternalClock-Maxi.Connectiontimebyrelay....................................10Sec.
MaximumOutputLoadByRelay...........................................................5A.
ProtectionAgainstPolarityInversion......................................................Yes
Sizes.......................................................................................................155x102x30mm.
POWERSUPPLY.
Verify
OPERATING.
Regardingmanualoperating.
Regardingautomaticoperating.
RESET
TheI-203circuithadtobesuppliedbya12VDCpowersupply.
Then,werecommendedyoutheFE-2powersupplywhichhasbeendevelopedtoperfectlyanswertothecircuitneeds
ora12Vbatteriesformobileapplications.Installafuseandaswitchasitisindicatedinthedrawing.Bothare
obligatorytoguaranteeacorrectprotectionofthemoduleaswellasforyourownsafetyasitisrequiredbythe"CE"
marking.
Connectthepositiveofthepowersupplytothepositiveterminalindicatedinthewiringmap,thenconnectalsothe
negativeofthepowersupplytothenegativeterminalindicatedinthecircuit.thattheassemblyhasbeen
correctlydone.
Seethegeneralwiringmap.ThemodulehasaswitchindicatedasINT-1.Thankstothisswitchyoucould
selectbetweenautomaticoperating(controlledbytheinternaloscillator)andmanualoperatingwhichbeexternally
inserted.
youhavetoplace(intheswitchINT-1)thecontactNº1inONpositionandthecontact
Nº2inOFFposition.Donotplacepermanentlybothcontactinthesamepositiontoavoidtodamagethemodule.See
thedrawing.
Connectapushbuttontotheterminalindicatedasimpulsesinput(SeeGeneralwiringmap).Ifyouhavetoconnecta
clocksignalfromanotherapparatus,youhavetorespecttheirpolarityandverifythatitisa12VDCsignal.
Whenthepushbuttonisinstalled,aftereachpressurerelaywillbeactivatedoneafterone,anddisconnectingthe
previousone.
youhavetoplace(intheswitchINT-1)thecontactNº1inOFFpositionandthe
contactNº2inONposition.Donotplacepermanentlybothcontactinthesamepositiontoavoidtodamagethe
module.Seethedrawing.
AdjustthespeedusingthepotentiometerinsertedinthePCBtoadjustthefrequency.Aftereachpressurerelaywillbe
activatedoneafterone,anddisconnectingthepreviousone.
.Seethegeneralwiringmap.Connectapushbuttontotheterminalindicatedas"Reset".Eachtimeyoupress
thispushbuttonandindependentlyoftheactivatedrelay,themodulewillcomebackatthebeginningofthesequence
(tothefirstrelay)untilyoustoptopressthe"reset"pushbutton.
ON ON
InternalClock
AutomaticOperating
ExternalClock
ManualOperating
ELECTRONIC CIRCUITS