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Cables to be used are typically referred to as NMEA 2000 or DeviceNet compatible cables. The
minimum requirements for cables are:
Twisted pair connected to pins 4 and 5 for communication with a minimum wire cross
sectional area of 0.2 mm
2
(24 AWG).
Pair of conductors connected to pin 2 and 3 for power and HVIL with a minimum wire cross
sectional area of 0.34 mm
2
(22 AWG).
NOTICE:
Do not use sensor/actor cables. They often don’t have any twisted pairs and are
therefore not suitable for this application.
6.2.2
External power connector
The external power connector is used to provide power to the Energy Monitor. This is optional and is
only needed when multiple Energy Monitors are used in one system or long CAN-bus cable lengths
are used.
NOTICE:
The external power input and CAN-bus grounds are not electrically
isolated.
Connecting the external power supply is optional. In most use cases it will
be powered from the CAN-bus.
6.2.2.1
Connector details
Table 5 shows the pinout of the external power connector.
Table 5 - MGEMD010001 power connectors
Pin
Name
Description
Specifications
Connector view (mating side)
1
VCC
Power supply input
12 … 58 V
2
-
Not fitted
3
GND
Power supply return connection
4
N/C
No connection
