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48
2. INSTALLATION
SENSOR MODULE
WARNING
ELECTRIC SHOCK!
Touching live cables can lead to electric shock!
Î Make sure all cables have been isolated from any power source before
carrying out electrical works!
VBus
cable to the COSMO eXcess Pro
®
S0-1
Betrieb / Power
Störung / Error
Made in Germany
Versorgung / Power supply
160mA 240V~
N
L3
CTL1
A
D
C
A
S0-2
SM
Power supply:
VBus
Neutral conductor N
Conductor 1 L1
Conductor 2 L2
Conductor 3 L3
B
Current sensors:
CTL2
CTL3
Current sensor CTL1
Current sensor CTL2
Current sensor CTL3
C
Datenkommunikation VBus
B
The connection is to be carried out at the
terminals marked VBus (either polarity).
The bus cable can be extended with a two-
wire cable. The cross section must be at
least 0.5 mm2 and the cable can be exten-
ded up to 50 m in the case of a single con-
nection.
NOTE
Cables carrying low voltage must
not run together in a cable con-
duit with cables carrying a higher
voltage than 50 V!
D
Digital S0 impulse outputs
S0-1: Heating
S0-2: Excess
The S0 outputs can be used for transferring
the power values of the ecXess Pro to exter-
nal energy management systems
• heat energy of the ecXess Pro
• excess current fed into the public grid
®
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