Danfoss ECL Comfort 210

6.8.6EnergymeterandM-bus,generalinformation
ECLComfort296/310/310Bonly
WhenusingtheApplicationKeyintheECLComfort296/310
/310B,upto5energymeterscanbeconnectedtotheM-bus
connections.
Connectionofenergymetercan:
•limittheflow
•limitthepower
•transferenergymeterdatatotheECLPortal,viaEthernet,and/
oraSCADAsystem,viaModbus.
Manyapplicationswithcontrolofheating,DHWorcoolingcircuit
havethepossibilitytoreactonenergymeterdata.
Toverifyifactualapplicationkeycanbesettoreactonenergy
meterdata:
SeeCircuit>MENU>Settings>Flow/power.
TheECLComfort296/310/310Bcanalwaysbeusedfor
monitoringpurposeofupto5energymeters.
TheECLComfort296/310/310BactasanM-busmasterandmust
besettocommunicatewithconnectedenergymeter(s).
SeeMENU>Commoncontroller>System>M-busconfig.
Technicalinfo:
•TheM-busdataarebasedonstandardEN-1434.
•DanfossrecommendsACsuppliedenergymetersinorderto
avoidbatterydraining.
EnergymeterdataacquisitionfromECLPortalispossiblewithout
settinguptheM-busconfiguration.
MENU>Commoncontroller>System>M-busconfig.
State
Read-out
CircuitSettingrange
Factorysetting
---
InformationaboutthecurrentM-busactivity.
IDLE:
Normalstate
INIT:
Thecommandforinitializationhasbeenactivated
SCAN:
Thecommandforscanninghasbeenactivated
GATEW:
ThecommandGatewayhasbeenactivated
TheECLComfort296/310/310BwillreturntoIDLEwhencommands
havebeencompleted.
Gatewayisusedforread-outofenergymeterviaECLPortal.
MENU>Commoncontroller>System>M-busconfig.
Baud(bitspersecond)
5997
CircuitSettingrange
Factorysetting
-
300/600/1200/2400
300
ThecommunicationspeedbetweenECLComfort296/310/310B
andtheconnectedenergymeter(s).
Typically,300or2400baudisused.
IfECLComfort296/310/310BareconnectedtotheECLPortal,abaud
rateof2400isrecommendable,providedtheenergymeterallowsthis.
166|©Danfoss|2017.09
VI.GU.L2.02
OperatingGuideECLComfort210/296/310,applicationA275/A375