Diagnostics and maintenance
4.1 Diagnostics mechanisms of PROFINET IO
PROFINET with STEP 7 V15
84 Function Manual, 12/2017, A5E03444486-AH
Reading asset management data
The asset management record has the index 0xF880 and is read with standard PROFINET
mechanisms by the user of the records, for example a tool or program for evaluating these
data.
A user program in the S7-1500 IO controller, for example, can read out the AMR of an IO
device with the RDREC instruction (Index 0xF880).
It is not possible to write to this data record.
Whether and to which extent a PROFINET device supports asset management data,
meaning whether it makes an AMR available, is specified in the documentation of the
respective device.
Content and structure of an asset management record
Basic structure of the asset management record
You are first provided with an overview of the general structure of the record. The following
table describes the framework within which the asset management data blocks are
embedded. Each data block represents an asset, a terminal block for example.
Element of the data structure
Designation according to IEC
61158-6-10
Data type / length in
bytes
Header AssetManagement-
Data
BlockLength Number of bytes without
counting the bytes for
BlockType and BlockLength
UINT / 2
AssetManagementInfo
AssetManagementBlocks (n)
NumbersOfEntries Number of AssetManage-
mentBlocks
UINT / 2
See the table below