Under Communication For Single Bms (Battery String Qty. 1 Set); Qty. ≤6 Set); Multi Mbms Communication Mode - Pylontech PowerCube-X1 Operation Manual

and the 6 bit dial switch support a 120Ω resistance (Terminal Resistance).
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ADD Switch MBMS is a 6 bit dial switches to manually distribute the
communication address of the battery system. Nether position is OFF,
means "0". Upper position is ON, means "1". 1st bit to 4th bit is for address,
the 5th and the 6th bit dial switch support a 120Ω resistance (Terminal
Resistance).

3.6.3.1 Under communication for single BMS (battery string qty. 1 set)

The BMS's first five bits must set in below <BMS's Address Configure Table>. The last BMS's terminal
resistance must set in "1" (X=1);
The address is configured follow ASCII code: ("X" is terminal resistance).
BMS's Address Configure Table:
CAN Modbus Address dial bit
0 1
1 1
2 2
3 3
4 4
5 5
6 6
3.6.3.2 Under CAN Communication Mode between MBMS and BMS (battery string qty. ≤6 set)
The BMS's first five bits must set in below <BMS's Address Configure
Table>. The last BMS's terminal resistance must set in "1" (X=1), and other
BMS's terminal resistance must set in "0".
The address is configured follow ASCII code: ("X" is terminal resistance).
BMS's Address Configure Table:
The MBMS's ADD Switch set with "000011". The last 2 bits are terminal
resistances.
Note: the 1 to 4 bit dial for MBMS refer to 3.6.3.3
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3.6.3.3 Multi MBMS Communication Mode

In some project it configures multi Energy Storage Systems. In this case
will have multi MBMS. The address of MBMS must follow <MBMS's Address
Configure Table>
00000X
10000X
01000X
11000X
00100X
10100X
01100X
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Battery Battery
Address Bit
String
1 10000X
2 01000X
3 11000X
4 00100X
5 10100X
6 01100X
7 11100X
8 00010X
EU20PIXV0501
String
9
10
11
12
13
14
15
16