Functions
3.3 Identification data
IM151-1 FO STANDARD interface module (6ES7151-1AB05-0AB0)
30
Manual, 02/2010, A5E01075965-03
Reading the identification data with DS 248
Users can directly access specific identification data by selecting Read data record. This
requires a two-stage access:
1.
Data record 248 contains a folder that holds the data records associated with the various
indexes (see the table below.)
Table 3- 7
DS 248 structure for the ET 200S
List of contents
Length (bytes)
Coding (hex)
Header information
ID of content directory
2
00 01
Index of content directory
2
00 00
Length of successive blocks in bytes
2
00 08
Number of blocks
2
00 05
Block information for identification data
SSL
associated data record number
Length of the data record
Index
2
2
2
2
F1 11
00 E7
00 40
00 01
SSL
associated data record number
Length of the data record
Index
2
2
2
2
F1 11
00 E8
00 40
00 02
SSL
associated data record number
Length of the data record
Index
2
2
2
2
F1 11
00 E9
00 40
00 03
SSL
associated data record number
Length of the data record
Index
2
2
2
2
F1 11
00 EA
00 40
00 04
8 bytes of block information for additional data record objects
Σ: 48