Siemens SINUMERIK 840D sl Function Manual page 841

Some of the above functions are described in their own function documentation.
Figure 13-5
PLC/axis, spindle, drive signals
The axis-specific and spindle-specific signals are divided into the following groups:
● Shared axis/spindle signals
● Axis signals
● Spindle signals
● Drive signals
The signals are transmitted cyclically at the start of OB1 with the following exceptions:
Exceptions include:
● Axial F value
● M value
● S value
Basic Functions
Function Manual, 01/2015, 6FC5397-0BP40-5BA2
PLC/NCK channel interface
P3: Basic PLC program for SINUMERIK 840D sl
13.9 Interface structure
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