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

Siemens Simatic S7-1500

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Commissioning

12.8 Identification and maintenance data

S7-1500R/H redundant system

System Manual, 01/2024, A5E41814787-AF

429

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.

12.8.2 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 12- 18 Basic structure of data records with I&M identification data

Contents

Length (bytes)

Coding (hex)

Header information

BlockType 2 I&M0: 0020H

I&M1: 0021

H

I&M2: 0022

H

I&M3: 0023H

BlockLength 2 I&M0: 0038H

I&M1: 0038

H

I&M2: 0012

H

I&M3: 0038H

BlockVersionHigh

1

01

BlockVersionLow

1

00

Identification data

Identification data

(see table below)

I&M0/Index AFF0

H

: 54

I&M1/Index AFF1H: 54

I&M2/Index AFF2

H: 16

I&M3/Index AFF3H: 54

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