Siemens SINUMERIK 840Di Function Manual page 488

Detailed Description
2.2 User-defined auxiliary functions
2.2.4 User-specific auxiliary functions
Function
User-specific auxiliary functions have the following properties:
• For parameter: "Type", only identifier "H" is permitted.
• User-specific auxiliary functions only activate user functions.
• User-specific auxiliary functions cannot activate system functions.
• A user-specific auxiliary function is output to the PLC in accordance with the
• The functionality of a user-specific auxiliary functions is implemented by the machine
2.2.5 Parameterization
2.2.5.1 Parameter: Group assignment
Group assignment
A user-defined auxiliary function can be assigned via the group assignment of a particular
auxiliary function group:
MD22000 $MC_AUXFU_ASSIGN_GROUP[ index ] (group assignment)
If the value is zero, the auxiliary function is not assigned to any auxiliary function group.
For the meanings of the auxiliary function groups, see Section: Auxiliary function groups.
2.2.5.2 Parameter: Type, address extension, and value
Function
A user-defined auxiliary function is programmed with parameters:
MD22010 $MC_AUXFU_ASSIGN_TYPE[ index ] (type)
MD22020 $MC_AUXFU_ASSIGN_EXTENSION[ index ] (address extension)
MD22030 $MC_AUXFU_ASSIGN_VALUE[ index ] (value)
with the following syntax:
< type > [ < address extension > = ] < value >
2-14
parameterized output behavior.
manufacturer/user in the PLC user program.
Auxiliary Function Output to PLC (H2)
Function Manual, 08/2005 Edition, 6FC5397-0BP10-0BA0