Siemens SINUMERIK 840D sl Function Manual page 493

Brief description
1.1 Function
General
Auxiliary functions permit activation of the system functions of NC and PLC user functions.
Auxiliary functions can be programmed in part program blocks in the following:
• Parts programs
• Synchronized actions
• User cycles
Detailed information on using auxiliary function output in synchronized actions is to be found
in:
References:
/FBSY/ Function Manual Synchronous Actions
Predefined auxiliary functions
Predefined auxiliary functions activate system functions. The auxiliary function is also output
to the NC/PLC interface. The following auxiliary functions are predefined:
Type
M
S
T
D, DL
F
Basic logic functions: Auxiliary Function Output to PLC (H2)
Function Manual, 11/2006, 6FC5397-0BP10-2BA0
Function Example
Miscellaneous (i.e. M30
special) function
Spindle function S100
Tool number T3
Tool offset D1
Feed F1000
Meaning
End of program
Spindle speed 100 e.g. rpm
Tool number 3
Tool cutting edge number 1
Feedrate 1000 e.g. mm/min
1
5