Siemens SINUMERIK 840D sl Function Manual page 118

B3: Distributed systems - 840D sl only
3.2 NCU link
①
②
③
④
⑤
⑥
Figure 3-19
To allow a previously granted enable to be canceled, the enable for at least one of the channels
(NCU1 or NCU2) involved on the axis container must still be pending at the time of the
cancellation. This means the cancel must be made before time
118
NCU1, channel1: Enable issued using the AXCTSWE command
NCU2, channel2: Enable issued using the AXCTSWE command
NCU1, channel2: Enable issued via AXCTSWE command → all enables of all channels are now
present in the NCU1 → the overall enable status of NCU1 is transferred to NCU2 via link com‐
munication
NCU2, channel1: Enable issued via AXCTSWE command → all enables of all channels are now
present in the NCU2 → the overall enable status of NCU2 is transferred to NCU1 via link com‐
munication
All enable signals for all channels (NCU2 and NCU1) are now present in NCU2 → the axis
container rotation is performed in NCU2
NCU1: All enable signals for all channels (NCU1 and NCU2) are now present in NCU1 → the
axis container rotation is performed in NCU1
NCU1/NCU2: axis container rotation has been completed
Cross-NCU enable and axis container rotation
④
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Function Manual, 10/2015, 6FC5397-1BP40-5BA3
Extended Functions