Alfa Laval ThinkTop - Technical Specifications; ThinkTop Common Specifications

4Technicalspecications
4.1ThinkTopcommonspecications
Sensor Sensor
Sensor
System System
System
Unique“NoTouch”sensorsystemwithnomechanicalsensoradjustments.Amagnet(indicationpin)ismountedonthevalve
stemandthetranslatorychangeinthemagneticfieldvectorsaredetectedbythesensorboardwithameasuringaccuracy
of±0.1mm.
Electrical Electrical
Electrical
connection: connection:
connection:
Directmaincableglandentry(hardwired)PG11(ø4-ø10mm).
Option:externalsensorcableglandentryPG7(ø3-ø6.5mm).
OptionforAS-iversion:MainconnectionasM12plug,2wire.
Theterminalrowofthesensorunitisequippedwithscrewterminalsforbothinternalandexternalcablesandwires.The
terminalsaresuitableforwiresupto0.75mm
2
(AWG19).
Exter Exter
Exter
nal nal
nal
sensors sensors
sensors
Theexternalsensorsareusedforseat-liftsupervisionwhenseat-liftcannotbeinternallydetected.Thesensorsobtaintheir
supplyvoltagefromtheterminalrow.Theoutputsignalsfromthesensorsareconnectedtotwoinputsontheterminalrowon
theinternalsensorunit.Iftheactualsetupissetforinternalseat-lift,thecorrespondingexternalsignalisnotused,otherwisethe
externalsignallogicallycontrolsthecorrespondingfeedbacktothePLC(ProgrammableLogicController).
Note! Note!
Note!
Ifusinganexternalsensor,thesensormustbeactive/activatedwhenperformingasetuproutineofthecontrolhead.
Supplyvoltage.......................MustmatchtheselectedtypeofThinkTop.
Supplycurrent:......................Max.15mApersensor.
Typeofsensor:......................VDC,only3-wiresensorPNP.
Sensorcablelength:................Max.3m.
Suitableexternalsensors,bracketsandcableglandsforsettingupupperseat-liftdefectiononmixproofvalvesareavailableas
accessoriesinthecatalogue.
ThinkT ThinkT
ThinkT
op op
op
V V
V
isual isual
isual
Indications Indications
Indications
LED LED
LED
Indications Indications
Indications
LEDB
“Openvalve”(Yellow)
O
IR-Receiver
LEDD
“Setup/Internalfault”(Red)
LEDC
“Seat-lift1/2”(Yellow)
LEDE
“Solenoidvalves”(Green)
LEDF
“Maintenance”(Orange)
LEDA
“Closedvalve”(Yellow)
Status Status
Status
signal signal
signal
Thestatussignalisusedforfourpurposes:
-Toindicatethatsetupisinprogress+(LEDD).
-Toindicateanerrorcondition+(LEDD).(FlashingLED=softwareerror),(steadyLED=hardwareerror).
-Toindicatemaintenanceduetotheselfadjustmentprogramme+(LEDF).
-Toindicatethatthetimeformaintenancehasbeenreached+(LEDF).
8