Identification Data - Siemens SIMATIC IM151-1 STANDARD Manual

3.3

Identification data

Definition
Identification data are data that are stored in a module for assisting the user in:
● Checking the system configuration
● Locating hardware modifications in a system
● Correcting errors in a system
Identification data enable modules to be uniquely identified online.
STEP 7
In
"Properties - DP Slave" tabs (see STEP
Reading the identification data with DS 255
As of 6ES7151-1AA05-0AB0, the IM 151-1 STANDARD also supports the standardized
access to the identification data via the DS 255 (index 65000 to 65003). For further
information on the data structure of the DS 255, refer to the PROFIBUS Guideline - Order
No. 3.502, Version 1.1.1 dated March 2005.
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
Header information
ID of content directory
Index of content directory
Length of successive blocks in bytes
Number of blocks
Block information for identification data
SSL
associated data record number
Length of the data record
Index
SSL
associated data record number
Length of the data record
Index
Interface module IM151-1 STANDARD (6ES7151-1AA06-0AB0)
Manual, 07/2015, A5E01075950-AD
, the identification data are displayed in the "Module Information - IM 151" and
DS 248 structure for the ET 200S
List of contents
7
online help).
Length (bytes)
2
2
2
2
2
2
2
2
2
2
2
2
Functions
3.3 Identification data
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
33