Siemens SINUMERIK 828D Commissioning Manual page 45

Individual (I) data class
This data class covers data concerning a particular machine and is also created during
commissioning by the OEM, or later by the dealer. This data class will be referred to as "I" in
the rest of this document.
Characteristics / properties of data class I
Class I data is stored in a separate INDIVIDUAL archive.
Data type
HMI:
NC:
PLC:
Drives:
User (U) data class
This data class covers all user data as well as data that is created during the machine runtime,
for example the maintenance interval timer. This data class will be referred to as "U" in the rest
of this document.
Characteristics / properties of data class U
Class U data is stored in a separate "User" archive.
Data type
HMI:
NC:
PLC:
Drives:
GUD and macros
The following table shows how the definition files (GUD, macros) are assigned to a data class:
Definition file
GUD4
MGUD
MMAC
UGUD
UMAC
CNC commissioning
Commissioning Manual, 10/2015, 6FC5397-3DP40-5BA3
Example
Easy Extend and Service Planner
Reference point dimensions, backlash compensation, compensation data, tool car‐
rier data, all NC active data with data class I
Contents of the data blocks in this data class
No data available at this time.
Example
---
Tool data, setting data, part programs, subprograms and user cycles, UGUD and
UMAC definitions, but no program code (e.g. PLC)
Contents of the data blocks in this data class
No data available at this time.
Introduction and use of data classes
Data class
Individual (I)
Manufacturer (M)
Manufacturer (M)
User (U)
User (U)
2.1 Data classes in the NC
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