Siemens SINUMERIK 840Di Function Manual page 475

Detailed Description
2.1 Predefined auxiliary functions
2.1
2.1.1 Predefined auxiliary functions
Function
Predefined auxiliary functions are auxiliary functions for activating system functions. The
assignment of a predefined auxiliary function 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 ] (group assignment)
• MD22050 $MC_AUXFU_PREDEF_TYPE[ index ] (type)
• MD22060 $MC_AUXFU_PREDEF_EXTENSION[ index ] (address extension)
• MD22070 $MC_AUXFU_PREDEF_VALUE[ index ] (value)
• MD22080 $MC_AUXFU_PREDEF_SPEC[ index ] (specification of output behavior)
Auxiliary Function Output to PLC (H2)
Function Manual, 08/2005 Edition, 6FC5397-0BP10-0BA0
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