Siemens SINUMERIK 840D sl Function Manual page 1310

Detailed description
2.6 Interface structure
The triggering and parameter assignment of NCK functions is performed by means of PLC
function calls.
The following function calls are available, for example:
• Position a linear axis or rotary axis
• Position an indexing axis
• Start a prepared asynchronous subprogram (ASUB)
• Read/write NC variables
• Update magazine and tool movement
Some of the above functions are described in their own function documentation.
Figure 2-7
36
PLC/NCK channel interface
Basic logic functions: PLC basic program solution line (P3 sl)
Function Manual, 11/2006, 6FC5397-0BP10-2BA0