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8.7. "43 (0x2B) Read Device identification" function
The Modbus request is used to read the device identification.
Example in VFS15-2004PM with device name “PROFINET” is shown below.
Inverter supports Basic Device ID and Regular Device ID.
Request format:
Byte Meaning
0 Function Code = 2Bh 0x2B
1 Type of MEI 0x0E
2 Read Device ID code 0x01: Basic
0x02: Regular
3 Object ID 0x00
Response format: Unit ID = 0 – 248 (Inverter)
Byte Meaning Example value
0 Function Code = 2Bh 0x2B
1 Type of MEI 0x0E
2 Read Device ID code 01: Basic
02: Regular
3 Conformity Level 0x02*
4 More Follows 0: No more Object
5 Next Object Id 0
6 Number Of Objects 3 for Basic.
6 for Regular or Extended
7 Obj 0 Id Vendor Name 0
8 Obj 0 length 7
9-15 Obj 0 value “TOSHIBA”
16 Obj 1 Id ProductCode 1
17 Obj 1 length 13
18-30 Obj 1 value “VFS15-2004PM”
31 Obj 2 Id Version 2
32 Obj 2 length 5
33-37 Obj 2 value “11200”
38 Obj 4 Id Product Name 4
Only for
Regular
39 Obj 4 length 6
40-45 Obj 4 value “VF-S15”
46 Obj 5 Id Model Name 5
47 Obj 5 length 3
44-58 Obj 5 value “TSB”
59 Obj 6 Id UserApplicationName 6
60 Obj 6 length 16
61-80 Obj 6 value “PROFINET”
*When PNE001Z (no suffux) is used, Conformity Level is 0x81 (basic identification stream access and
individual access), but please use it as 0x02 (regular identification stream access only).
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