Siemens Simatic S7-1500H - Record Structure for I&M Data

Proceed as follows to read the I&M data using STEP7 from the primary and backup CPU:
1.
Select the CPU in the project tree.
2.
Go to "Online & diagnostics".
3.
In the "Diagnostics" folder, select the "General" area.
Enter maintenance data over STEP7
STEP7 assigns a default module name. You can enter the following information:
•
Plant designation (I&M1)
•
Location identifier (I&M1)
•
Installation date (I&M2)
•
Additional information (I&M3)
To enter maintenance data via STEP7, follow these steps:
1.
Select the CPU in the STEP7 device view.
2.
Go to properties, "General", and select the "Identification & Maintenance" area.
3.
Enter the data.
During the loading of the hardware configuration, the maintenance data (I&M 1, 2, 3) are
also loaded.
11.8.2 Record structure for I&M data
Reading I&M records via user program (centrally and distributed via PROFINET IO)
Use Read data record ("RDREC" instruction) to access specific identification data. Under the
associated record index you obtain the corresponding part of the identification data.
The records are structured as follows:
Table 11-18Basic structure of data records with I&M identification data
Contents Length (bytes) Coding (hex)
Header information
BlockType 2 I&M0: 0020
H
I&M1: 0021
H
I&M2: 0022
H
I&M3: 0023
H
BlockLength 2 I&M0: 0038
H
I&M1: 0038
H
I&M2: 0012
H
I&M3: 0038
H
BlockVersionHigh 1 01
BlockVersionLow 1 00
Identification data
Identification data
(see table below)
I&M0/Index AFF0
H
: 54
I&M1/IndexAFF1
H
: 54
I&M2/IndexAFF2
H
: 16
I&M3/IndexAFF3
H
: 54
-
-
-
-
306
S7-1500R/H redundant system
System Manual, 11/2022, A5E41814787-AD
Commissioning
11.8 Identification and maintenance data