You also want an ePaper? Increase the reach of your titles
YUMPU automatically turns print PDFs into web optimized ePapers that Google loves.
Data access using Modbus/RTU protocol<br />
6.4 Structure of the exception code<br />
Byte Name Example<br />
Byte 0 Address 0x02<br />
Byte 1 Code + 0x80 0x83<br />
Byte 2 Data 0x04<br />
Byte 3, 4 CRC16 0x12 34<br />
6.5 Modbus address structure for BMS devices<br />
Function<br />
Address range<br />
Number of<br />
bytes<br />
Number of<br />
Words<br />
Device type 0x00…0x09 20 bytes 10 Words<br />
Timestamp 0x0A…0x0D 8 bytes 4 Words<br />
Common alarm<br />
0x0E<br />
(High byte)<br />
1 byte 0.5 Words<br />
No BMS bus connection<br />
0x0E<br />
(Low byte)<br />
1 byte 0.5 Words<br />
Unused 0x0F 2 bytes 1 Word<br />
Channel 1…32 0x10…0x8F 32 x 8 bytes 128 Words<br />
Alarm and test<br />
Channel 33…64<br />
0x90…0xFC 218 x 8 bytes 109 Words<br />
<strong>COM462RTU</strong>_D00010_00_M_XXEN/07.2013<br />
27
Change language