Siemens ET 200pro - Page 183

Functions
8.1 PROFIBUS DP
ET 200pro distributed I/O system
Operating Instructions, 03/2013, A5E00335544-08
183
Reading the identification data
Users can directly access specific identification data by selecting
Read data record
. This
access requires two operations:
1. Step:
Data record 248 contains a folder which contains the data record numbers associated with
the various indexes (see table below).
Table 8- 3 Structure of data record 248 for ET 200pro
Contents
Length (bytes)
Coding (hex)
Header information
TOC ID
2
00 01
TOC index
2
00 00
Length of succeeding blocks in bytes
2
00 08
Number of blocks
2
00 05
Block information for identification data
SSL
Associated data record number
Length of data record
Index
2
2
2
2
F1 11
00 E7
00 40
00 01
SSL
Associated data record number
Length of data record
Index
2
2
2
2
F1 11
00 E8
00 40
00 02
SSL
Associated data record number
Length of data record
Index
2
2
2
2
F1 11
00 E9
00 40
00 03
SSL
Associated data record number
Length of 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