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 Example
HMI: Easy Extend and Service Planner
NC: Reference point dimensions, backlash compensation, compensation data, tool car‐
rier data, all NC active data with data class I
PLC: Contents of the data blocks in this data class
Drives: No data available at this time.
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 Example
HMI: ---
NC: Tool data, setting data, part programs, subprograms and user cycles, UGUD and
UMAC definitions, but no program code (e.g. PLC)
PLC: Contents of the data blocks in this data class
Drives: No data available at this time.
GUD and macros
The following table shows
how the definition files (GUD, macros) are assigned to a data class:
Definition file Data class
GUD4 Individual (I)
MGUD Manufacturer (M)
MMAC Manufacturer (M)
UGUD User (U)
UMAC User (U)
Introduction and use of data classes
2.1 Data classes in the NC
CNC commissioning
Commissioning Manual, 10/2015, 6FC5397-3DP40-5BA3 31
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