78 Unidrive M SI-PROFIBUS User Guide
Issue Number: 3
12.13 Drive Identification
The PROFIdrive specification specifies certain objects that allow network tools to obtain
information on the features supported by the slave.
SI-PROFIBUS supports the following PNU’s for this purpose.
Table 12.7 Identification PNU’s
12.14 Identification and Maintenance Functions
Identification and Maintenance (I&M) functions assist the user in tracking the drive’s life
cycle through commissioning/start-up, parameterization, diagnosis, repair, etc. SI-
PROFIBUS supports the following I&M functions:
• I&M0 (Read Only)
• I&M1 (Read/Write)
• I&M2 (Read/Write)
• I&M3 (Read/Write)
• I&M4 (Read/Write)
All I&M functions are available from masters which support this feature.
PNU Designation Description
964 Drive Unit Identification Identifies the drive unit
965 Profile Identification Identifies the PROFIdrive profile version
974
Parameter Access
Identification
Parameter channel request lengths
975 Drive Object Identification Identifies the drive object
978 List of all DO-IDs Returns a list of all axis IDs
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