ETAS
Installation
XETK-S21.0B
-
User
Guide
30
5.2.2
Power Supply
The XETK-S21.0 needs a permanent power supply (refer chapter “Power Sup
6 for recommenda
-
tions on permanent power supply connection."Permanent Power Supply inside
ECU available
Fig.
5
-
4
Permanent Power Supply inside ECU available
Permanent Power Supply inside ECU not available
Fig.
5
-
5
Permanent Power Supply inside ECU not available
Isolated Power Supply inside ECU
The XETK-S21.0 does not require a galvanically isolated power supply. For spe
-
cial applications ETAS offers the isolated power supply ETP2.
Fig.
5
-
6
Isolated Power Supply inside ECU
ECU
12V
ECU GND
Permanent Supply
ECU
Connect or
ETK
Pad f or Power Supply
ca.
36 V
Power Supply Connector
Vehicle
Batt ery
Vehicle
Wiring
Cable ETV
ECU
Ignit ion Key
12V
ECU GND
Permanent Supply
12V
ECU
Connect or
Cable K70
ETK
Pad f or Power Supply
ca.
36 V
Power Supply Connect or
Vehicle
Bat tery
Vehicle
Wiring
Cable KA50
Cable ETV
ECU
12V
Permanent Supply
ECU
Connect or
4,8V… 36V
Input
Out put
12 V
-
+
+
-
ETK
Pad f or Pow er Supply
ca.
36 V
Pow er Supply Connect or
Vehicle
Batt ery
Vehicle
Wiring
Cable
CBM 200
Cable ETV2
Isolat ed Power Supply