SI-PROFINET RT User Guide
23
Issue Number: 2
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6.4.4 I&M3
Table 6-5 I&M3 Description
Descriptor
: 54-byte string used to store additional information on the location, function
or maintenance status of the device.
6.4.5 I&M4
Table 6-6 I&M4 Description
Signature
: 54-byte octet string used to allow parameterization tools to store a security
code as a reference for a particular parameterization session and audit trail tools to
retrieve the code for integrity checks.
All unused bytes of the I&M functions will be set to 0x20 (space).
Attribute
Value (Read/Write)
Descriptor (54 bytes)
(User defined)
Attribute
Value (Read/Write)
Signature (54 bytes)
(User defined)
NOTE