Salicru CV10-002-S2 User Manual page 80

High bit of writing data address
Low bit of writing data address
CRC CHK low bit
CRC CHK high bit
RTU slave response message (from the inverter to the master)
High bit of writing data address
Low bit of writing data address
High bit of data content
Low bit of data content
CRC CHK low bit
CRC CHK high bit
Note: section 7.3.1 and 7.3.2 mainly describe the command format, and the detailed application will be
mentioned in 7.3.3 with examples.
7.3.3 Command code 08H for diagnosis
Meaning of sub-function codes
Sub-function Code
For example: The inquiry information string is the same as the response information string when the loop
detection to address 01H of driver is carried out.
The RTU request command is:
START
ADDR
CMD
High byte of sub-function code
Low byte of sub-function code
High byte of data content
Low byte of data content
80 - 104
START
ADDR
CMD
data content
data content
END
START
ADDR
CMD
END
0000
T1-T2-T3-T4 (transmission time of 3.5 bytes)
T1-T2-T3-T4 (transmission time of 3.5 bytes)
T1-T2-T3-T4 (transmission time of 3.5 bytes)
T1-T2-T3-T4 (transmission time of 3.5 bytes)
T1-T2-T3-T4 (transmission time of 3.5 bytes)
01H
08H
00H
00H
12H
ABH
02H
06H
00H
04H
13H
88H
C5H
6EH
02H
06H
00H
04H
13H
88H
C5H
6EH
Description
Return to inquire information data
Communication protocol