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ETAS
Installation
ETK-T2.2 User Guide
30
5.3
Connecting to the Power Supply
The ETK-T2.2 needs a permanent power supply (refer chapter “Power Supply”
on page
23). There are different versions to ensure it.
5.3.1
Permanent Power Supply inside ECU available
Fig.
5
-
4
Permanent Power Supply inside ECU available
5.3.2
Permanent Power Supply inside ECU not available
Fig.
5
-
5
Permanent Power Supply inside ECU not available
5.3.3
Isolated Power Supply inside ECU
The ETK-T2.2 does not require a galvanically isolated power supply. For special
applications ETAS offers the isolated power supply ETP2.
Fig.
5
-
6
Isolated Power Supply inside ECU
ECU
12V
ECU GND
Permanent Supply
ECU
Connector
ETK
Pad f or Pow er Supply
ca.
18 V
Power Supply Connect or
Vehicle
Bat t ery
Vehicle
Wiring
Cable ETV2
ECU
Ignit ion Key
12V
ECU GND
Permanent Supply
12V
ECU
Connect or
Cable K70
ETK
Pad f or Power Supply
ca.
18 V
Power Supply Connect or
Vehicle
Bat t ery
Vehicle
Wiring
Cable KA50
Cable ETV2
ECU
12V
Permanent Supply
ECU
Connect or
4,8V… 36V
Input
Out put
12 V
-
+
+
-
ETK
Pad f or Power Supply
ca.
18 V
Power Supply Connect or
Vehicle
Batt ery
Vehicle
Wiring
Cable
CBM 200
Cable ETV2
Isolat ed Power Supply