Command Code 08H, Diagnosis - INVT Goodrive350-19 Series Operation Manual

Goodrive350-19 series VFD for crane
Low-order bits of data writing address
High-order bits of to-be-written data
Low-order bits of to-be-written data
CRC low-order bits
CRC high-order bits
RTU slave response (from the VFD to the master)
High-order bits of data writing address
Low-order bits of data writing address
Data content high-order bits
Data content low-order bits
CRC low-order bits
CRC high-order bits
Note: Sections 10.4.1 and 10.4.2 mainly describe the command formats. For the detailed application,
see section 10.4.8.

10.4.3 Command code 08H, diagnosis

Sub-function code description:
Sub-function code
For example, to query about the circuit detection information about the VFD whose address is 01H,
the query and return strings are the same, and the format is described as follows.
RTU master command:
Sub-function code high-order bits
Sub-function code low-order bits
Data content high-order bits
END
START
ADDR
CMD
END
0000
START
ADDR
CMD
T1-T2-T3-T4 (time gap with a min. length of 3.5
T1-T2-T3-T4 (time gap with a min. length of 3.5
T1-T2-T3-T4 (time gap with a min. length of 3.5
Return data based on query requests
T1-T2-T3-T4 (time gap with a min. length of 3.5
-413-
Communication protocol
04H
13H
88H
C5H
6EH
bytes)
bytes)
02H
06H
00H
04H
13H
88H
C5H
6EH
bytes)
Description
bytes)
01H
08H
00H
00H
12H