MG Energy Systems LFP Series, Manual

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M12 CAN-bus connector details
The LFP Series have the option to contain M12 CAN-Bus connectors.
Connector details
The connectors used for connecting the CAN-bus are all of the same type, namely a circular M12 connector
with 5 positions and A-coded keying.
Table 8 - Circular M12 connector with 5 positions A-coded details
Pin Description Connector view
1 Shield
2 V+
3 GND
4 CAN-H
5 CAN-L
Cables to be used for the battery system 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).

Cable with braided shielding connected to pin 1.
NOTICE:
Do not use sensor/actor cables. They often don’t have any twisted pairs and are
therefore not suitable for this application.