Eaton ELC-PB - Page 707

A. Communications
A
-9
ELC→PC
“ 01 03 10 00 01 00 02 00 03 00 04 00 05 00 06 00 07 00 08 72 98”
Feedback message:
Field Name Example (Hex)
START No data input ≥ 10 ms
Slave Address 01
Function code 03
Bytes Count 10
Data Hi (T20) 00
Data Lo (T20) 01
Data Hi (T21) 00
Data Lo (T21) 02
Data Hi (T22) 00
Data Lo (T22) 03
Data Hi (T23) 00
Data Lo (T23) 04
Data Hi (T24) 00
Data Lo (T24) 05
Data Hi (T25) 00
Data Lo (T25) 06
Data Hi (T26) 00
Data Lo (T26) 07
Data Hi (T27) 00
Data Lo (T27) 08
CRC CHK Low 72
CRC CHK High 98
END No data input ≥ 10 ms
CRC CHK (check sum)
The CRC Check starts from “Slave Address” and ends in “The last data content.” Calculation of the
CRC is performed per the Modbus serial specification