Siemens ET 200pro - Profinet Io; Identification Data for PROFINET IO

Functions
8.2 PROFINET IO
ET 200pro distributed I/O system
186 Operating Instructions, 03/2013, A5E00335544-08
8.2
PROFINET IO
8.2.1
Identification data for PROFINET IO
Definition
Identification data is information stored in a module which assists the user when:
● Checking the system configuration
● Locating hardware changes in a system
● Correcting errors in a system
Identification data enable modules to be uniquely identified online.
STEP 7 displays the identification data in the "Module Information - IM 154" and
"Properties..." tabs (see STEP 7 online help).
Reading the identification data
You can directly access specific identification data by selecting
Read data record
. Obtain the
corresponding part of the identification data under the associated data record index.
The data records are structured as follows:
Table 8- 6 Basic structure of data records with identification data for PROFINET IO
Contents
Length (bytes)
Coding (hex)
Header information
BlockType 2 I&M0: 0020
I&M1: 0021
I&M2: 0022
I&M3: 0023
BlockLength 2 I&M0: 0038
I&M1: 0038
I&M2: 0012
I&M3: 0038
BlockVersionHigh
1
01
BlockVersionLow
1
00
Identification data
Identification data
(see table below)
I&M0/Index AFF0 hex: 54
I&M1/Index AFF1 hex: 54
I&M2/Index AFF2 hex: 16
I&M3/Index AFF3 hex: 54