Victron energy BMV Manuel page 7

2.2 Wiring
2.2.1 BEI
Connect the 4 pin connector to the 4 pin header on the BMV.
Make sure that pin 1 (red wire) is to the outside (right) of the
BMV when looking at the backside.
2.2.2 E-plex bus
Connect the E-plex sockets on the BEI to one of the sockets
on the Victron ViewTouch. Refer to the documentation of the
control module for more detail.
BMV
BMV
Www.victronenergy.com
BMV to Eplex
Interface
Victron View Touch
Figure 1 - Wiring diagram
PIN1
3