Siemens SINUMERIK 840D sl Function Manual page 100

B3: Several operator panels connected to several NCUs, distributed systems - only 840D sl
2.1 Brief description
NCU assignments
The numerous axes on these machines are assigned to different NCUs based on the
RVM/MS configuration (e.g. one NCU for each machining unit or group of machining units).
The global units are assigned to a separate NCU or distributed accordingly.
Figure 2-8 Sectional diagram of a drum changeover
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Function Manual, 09/2009, 6FC5397-1BP20-0BA0
Extended Functions