Siemens SIMATIC ET 200AL - Page 1032

Diagnostics and maintenance
4.1 Diagnostics mechanisms of PROFINET IO
PROFINET with STEP 7 V15
Function Manual, 12/2017, A5E03444486-AH
85
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 AssetManagementBlocks contains the coded information about which of
the three possible AM data compilations the 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- 1 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