Siemens SINUMERIK 840D sl Function Manual page 503

Detailed description
2.1 Predefined auxiliary functions
2.1.1 Predefined auxiliary functions
Function
Predefined auxiliary functions are auxiliary functions for activating system functions. The
assignment of predefined auxiliary functions to system function cannot be changed.
During execution of a predefined auxiliary function, the corresponding system function is
activated and the auxiliary functions are output to the NC/PLC interface.
Definition of a predefined auxiliary function
The parameters of a predefined auxiliary function are stored in machine data and can be
changed in some cases. All parameters of an auxiliary function have the same index.
• MD22040 $MC_AUXFU_PREDEF_GROUP[ Index ] (Pre-defined auxiliary function
• MD22050 $MC_AUXFU_PREDEF_TYPE[ Index ] (Pre-defined auxiliary function type)
• MD22060 $MC_AUXFU_PREDEF_EXTENSION[ Index ] (Pre-defined auxiliary function
• MD22070 $MC_AUXFU_PREDEF_VALUE[ Index ] (Pre-defined auxiliary function value)
• MD22080 $MC_AUXFU_PREDEF_SPEC[ Index ] (output specification)
Basic logic functions: Auxiliary Function Output to PLC (H2)
Function Manual, 11/2006, 6FC5397-0BP10-2BA0
groups)
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