Totalcablelength:Max.200m(allsensorsincl.internalECL485
communicationbus).
Cablelengthsofmorethan200mmaycausenoisesensibility(EMC).
Max.twoECA30/31canbeconnectedtoanECLComfortcontroller
ortomaster/slavesystemswithseveralECLComfortcontrollers.
Totalcablelength:Max.200m(allsensorsincl.internalECL485
communicationbus).
Cablelengthsofmorethan200mmaycausenoisesensibility(EMC).
2.5.7Electricalconnections,master/slavesystems
Thecontrollercanbeusedasmasterorslaveinmaster/slave
systemsviatheinternalECL485communicationbus(2xtwisted
paircable).
TheECL485communicationbusisnotcompatiblewiththeECL
businECLComfort110,200,300and301!
Terminal
Description
Type
(recomm.)
30
Commonterminal
31*
+12V*,ECL485communicationbus
32
B,ECL485communicationbus
33
A,ECL485communicationbus
Cable2x
twistedpair
*OnlyforECA30/31andmaster/slavecommunication
Totalcablelength:Max.200m(allsensorsincl.internalECL485
communicationbus).
Cablelengthsofmorethan200mmaycausenoisesensibility(EMC).
VI.GU.L2.02
©Danfoss|2017.09|73
OperatingGuideECLComfort210/296/310,applicationA275/A375