Siemens SIMATIC ET 200AL, System Manual

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Diagnostics and maintenance
4.9 Maintenance
PROFINET with STEP 7
106
Function Manual, 05/2021, A5E03444486-AL
Structure of asset management blocks
Each AssetManagementBlock contains identification data and localization information for an
asset. An AssetManagementBlock has a substructure with basic characteristics described
below.
The header of an AssetManagementBlock contains the coded information about which of the
three possible AM data compilations the data record contains. Devices make a suitable
BlockType available in accordance with the various device types:
•
Complex devices with information about the hardware and firmware (BlockType
"AM_FullInformation")
• Complex devices with information about the hardware (BlockType
"AM_HardwareOnlyInformation")
• Devices with information about the firmware (BlockType "AM_FirmwareOnlyInformation")
The differentiation provides an efficient data structure below the header. Nevertheless, the
data record can have a considerable size (maximum of 64 KB, depending on the number of
assets that the IO device supplies).
Table 4- 4 Structure of AssetManagementBlock
Element of the data
structure
Designation according to IEC
61158-6-10
Code Data type /
length in bytes
Header AssetManage-
mentBlock
BlockType 0x0036 (AM_FullInformation)
0x0037
(AM_HardwareOnlyInformation)
0x0038
(AM_FirmwareOnlyInformation)
UINT / 2
BlockLength Number of bytes without counting the
bytes for BlockType and BlockLength
UINT / 2
BlockVersion 0x0100 UINT / 2
Padding 0x0000 (padding byte) USINT / 1
Padding 0x0000 (padding byte) USINT / 1
AssetManagementBlock
(Structure depends on
the BlockType. Here it is
shown using
AM_FullInformation as
an example)
IM_UniqueIdentifier Manufacturer-generated Universal
Unique Identifier (UUID) conforming
to ISO/IEC 9834-8. Used as a reference
key to uniquely identify this asset.
Example: 550c5300-d34a-22b4-11d3-
5533991111b3
Array of Byte / 16
AM_Location Description of the location of the
asset:
Either slot-oriented ("Slot and Sub-
slotNumber format") or hierarchical
("Twelve level tree format").
See following description
Array of Byte / 16
IM_Annotation Manufacturer-specific notation
Example: "Terminal block, Type
xyz123 ".
64 bytes are always used. Spaces are
used for padding if the string is short-
er.
Array of Char / 64