A. C o m m u n i c a t i o n s
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
Содержание ELC-PB
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