B-Box H Installation Guidance
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7Connection with the Inverter
Tools: Cross screwdriver, with even tightening torque:
25±2.5Nm.
Connection with the power line: Get the anode and cathode lines through the PG head, connect them into BCU case, and then install them onto the anode and cathode
terminals respectively.
Connection with the communication line and Ethernet cable: Open the upper cover of BCU, and connect the communication line. The definition of communication line is
as follows:
(Remarks: Pin 1 and 3 are 13V output, and can supply power for the inverter, or supply power to the upper BMU module when multiple sets of the products are connected
in parallel.
Pin 2 and 4are for receiving inverter enable signal interface. Connect to the Ethernet interface with a network cable, and lead it out through PG head.)
Pin
Definition
1
13V+
2
EN 11V+
3
13V-
4
EN 11V-
5
RS485A
6
CANH
7
RS485B
8
CANL
Summary of Contents for B-Box H
Page 1: ...B Box H Installation Guidance 1 23 B Box H Installation Guidance Rev 1 0_May 2017...
Page 5: ...B Box H Installation Guidance 5 23 Position Designation A Base B Battery C BCU A B C...
Page 17: ...B Box H Installation Guidance 17 23 P P GND Ethernet cable Inverter communication...
