MULTICAL®603
114
KamstrupA/S∙Technicaldescription∙5512‐2029
A1_GB
06.2017
8 Flowsensorconnection
MULTICAL®603hasupto6pulseinputsforconnectionofflowsensorswhereV1andV2areusedforcalculating
energy, whereas In‐A1, In‐B1, In‐A2 and In‐B2 can be used for connecting, for example, cold water meters and
electricitymeters.Thenumberofpulseinputsmay
varyaccordingtometerconfiguration.
PulsefigureandresolutionoftheV1andV2inputsareconfiguredviatheCCC‐codeinMULTICAL®603.Iftwoflow
sensors are used on V1 and V2, respectively, these two sensors must be identical as the pulse inputs share
configuration.Foranoverview
ofCCC‐codes,seeparagraph3.2.3.
Dependingonapplicationtype,MULTICAL®603canbeconnectedtooneortwoflowsensorsforenergycalculation
purposes,seeparagraph7.1forexamplesofapplicationtypes.Typically,oneflowsensorisusedinheatorcooling
installations,thisflowsensorisalwaysconnectedto
V1,regardlessifitispositionedininletoroutlet.
ConnectionPCBwiththepossibilityofV1andV2can receivepulsesfrombothelectronicandmechanicalflowsensors.
Thisenablesconnectionofalmostanytypeofflowsensorwithpulseoutput.Forflowsensorswith24Vactivepulse
output,seeparagraph8.4.
①
ULTRAFLOW®
(seeparagraph8.1)
② Reed/relayswitch
(seeparagraph8.2)
③ Transistor
(seeparagraph8.3)
8.1 ULTRAFLOW®(Connectiontype 1‐2‐7‐8)
Kamstrup’sULTRAFLOW®flowsensorsaresu ppliedfromthecalculatorandconnectedaccordingtothetablebelow.
ThepowerconsumptionofULTRAFLO W®isverylowand,atthesametime,matchesthestatedbatterylifetimesof
MULTICAL®603,seeparagraph10.3.
Cable
ULTRAFLOW®
Screwterminals
V1
Screwterminals
V2
Red(3.6VDC) 9 9
Yellow(signal) 10 69
Blue(GND) 11 11
ForULTRAFLOW®,CCC‐codes1xx,4xxand5xxareused.
8.1.1 AutoDetectofULTRAFLOW®X4
AutoDetectenablestheexchangeofULTRAFLOW®X4onMULTICAL®603withoutchangingtheCCCcode.
MULTICAL®603canautomaticallyadaptitsCCCcodetomatchtheconnectedULTRAFLOW®X4viathefunctionAuto
Detect.AutoDetectisactivewithCCCcode8xx.
Auto Detect functions in such a way that MULTICAL® 603 during start up automatically retrieves the correct
informationaboutpulsefigureandq
p
fromtheconnectedULTRAFLOW®X4flowsensors.MULTICAL®603adaptsits