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COM462RTU_D00010_04_M_XXDE / 06.2021
Modbus process image in the memory of the COM462RTU
Memory image of a BMS device
0x
F
0
R.
R.
R.
R.
R.
R.
R.
R.
R.
R.
R.
R.
R.
R.
R.
R.
R.
R.
R.
R.
R.
R.
R.
R.
R.
R.
R.
R.
R.
R.
R.
R.
Tab. 6–2 Modbus address assignment of the channels in a BMS device; Hex
representation: horizontal = units, vertical = sixteens
Abbreviations for memory contents:
C = Common alarm
D = Device lost (device failure)
R. = Reserved
A detailed description of the data formats for the device type, timestamp etc. is given below.
6.2.3 Device type
Word
0x00
0x01
0x02
0x03
0x04
0x05
0x06
0x07
0x08
0x09
ASCII text, 10 Words/20 bytes
The device type is set by a BMS bus scan.
6.2.4 Timestamp
Word 0x0A
0x0B
0x0C
0x0D
HiByte
LoByte
HiByte
LoByte
HiByte
LoByte
HiByte
LoByte
Year
JJ
Month
MM
Day
TT
Hour
hh
Minute
mm
Second
ss
Reserved
The timestamp is set according to a datagram received from a transmitting device.
