Siemens SIMATIC ET 200M Operating Instructions Manual page 179

Example for reading the I&M data
The user can access specific I&M data via Read data record. A two-level access is
necessary for this:
1. Data record 248 has a directory in which the associated data record numbers are given
for the various
Table 8- 9
Contents
Header information
ID of the contents list
Index of the contents list
Length of the following blocks in bytes
Number of blocks
Block information for the I&M data
SZL-ID
relevant data record number
Length of the data record
Index
SSL-ID
relevant data record number
Length of the data record
Index
SSL-ID
relevant data record number
Length of the data record
Index
SSL-ID
relevant data record number
Length of the data record
Index
8-byte block information for additional data record objects
ET 200M
Operating Instructions, 12/2008, EWA-4NEB780600602-08
indices (refer to the following table).
DS 248 configuration for the ET 200M
8.7 Identification and maintenance data (I&M data)
Length (bytes)
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
Σ: 48
Functions
Coding (hex)
00 01
00 00
00 08
00 05
F1 11
00 E7
00 40
00 01
F1 11
00 E8
00 40
00 02
F1 11
00 E9
00 40
00 03
F1 11
00 EA
00 40
00 04
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