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8.8. "43 (0x2B) Read Device identification" function
The "Read/Write Multiple Registers" service is reserved for setting up the IO Scanning
service (see "IO Scanning section").
Example in VF-MB1 is shown below.
Request format:
Byte Meaning
0 Function Code = 2Bh 2Bh
1 Type of MEI 0Eh
2 Read Device ID code 01: Basic
02: Regular
03: Extended
3 Object ID 0
Response format: (ID = 248)
Byte Meaning With the IPE002Z
0 Function Code = 2Bh 2Bh
1 Type of MEI 0Eh
2 Read Device ID code 01: Basic
02: Regular
03: Extended
3 Conformity Level 2
4 More Follows 0
5 Next Object Id 0
6 Number Of Objects 3 for Basic.
6 for Regular or Extended
7 Obj 0 Id Æ Vendor Name 0
8 Obj 0 length 7
9-15 Obj 0 value “TOSHIBA”
16 Obj 1 Id Æ ProductCode 1
17 Obj 1 length 13
18-30 Obj 1 value “VFMB1S-2007PL”
31 Obj 2 Id Æ Version 2
32 Obj 2 length 5
33-37 Obj 2 value “10801”
38 Obj 4 Id Æ Product Name 4
39 Obj 4 length 6
40-45 Obj 4 value “VF-MB1”
46 Obj 5 Id Æ Model Name 5
47 Obj 5 length 3
44-58 Obj 5 value “TSB”
59 Obj 6 Id Æ
UserApplicationName
6
60 Obj 6 length 16 maximum
61-80 Obj 6 value “ModbusTCP”
Only for
Regular
and
Extended