Siemens SINUMERIK 840D sl Function Manual page 1289

Note
On SINUMERIK 840D, SIMATIC line 0 is allocated for the SINUMERIK components. In this
line stretches to:
• Slot 2 the integrated PLC with the different bus systems
• Slot 3, empty
• Slot 4 the NCK 840D sl. The properties (I/O-address 256, process alarm) of the NCK
• Slot 5 the integrated Ethernet CP 840D sl
• Slot 6 the integrated HMI 840D sl
The integrated drive is linked on the internal PCI bus (PROFIBUS protocol).
Currently, this bus does not support I/O access, and SFCs are not supported for this bus.
If you are using a different NCU, you can change the NCU using drag & drop. The settings
remain unaffected. When using the program "Starter" the icon "SINAMICS_in_NCUxyz" is
also to be deleted and created again after the exchange of the NCU in the SIMATIC
Manager.
Basic logic functions: PLC basic program solution line (P3 sl)
Function Manual, 11/2006, 6FC5397-0BP10-2BA0
must not be changed, as process interrupts (e.g. auxiliary functions) of the NCK to PLC
may, in this case, no longer function.
2.3 Starting up hardware configuration of PLC CPUs
Detailed description
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