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Operation Manual of INVT CHS100 AC Servo Drive 8 Communication Function
116
8.3.4.3 Command code 08Hfor diagnosis
Table 8-11 meaning of sub-function codes
Sub-function Code
Description
0000
Return to inquire information data
For example: The inquiry information string is same as the response information string
when the loop detection to address 01H of driver is carried out.
Table 8-12
The RTU request command is:
START
T1-T2-T3-T4 (transmission time of 3.5 bytes)
ADDR 01H
CMD 08H
High byte of sub-function code
00H
Low byte of sub-function code
00H
High byte of data content
12H
Low byte of data content
ABH
Low byte of CRC
ADH
High byte of CRC
14H
END
T1-T2-T3-T4 (transmission time of 3.5 bytes)
Table 8-13
The RTU reply command is:
START
T1-T2-T3-T4 (transmission time of 3.5 bytes)
ADDR 01H
CMD 08H
High byte of sub-function code
00H
Low byte of sub-function code
00H
High byte of data content
12H
Low byte of data content
ABH
Low byte of CRC
ADH
High byte of CRC
14H
END
T1-T2-T3-T4 (transmission time of 3.5 bytes)
Table 8-14
The ASCII request command is: