Siemens SINUMERIK 840D sl Function Manual page 106

Extended functions

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B3: Distributed systems - 840D sl only

3.2 NCU link

The following names are possible:

CT<container number>: The number of the axis container is attached to the CT letter

<container name>:

<axis name>:

Implicit wait

There is an implicit wait for the completion of a requested axis container rotation if one of the

following events has occurred:

● Part program language commands which will cause a container axis assigned to this axis

container in this channel to move

● GET(<channel axis name>) on a corresponding container axis

● The next AXCTSWE(<axis container>) for this axis container

Even an IC(0) will result in a wait including synchronization where necessary (block-by-

block change in addressing according to incremental dimension even though an absolute

dimension has been set globally).

Synchronization with axis position

If the new container axis assigned to the channel after a container rotation does not have the

same absolute machine position as the previous axis, then the container is synchronized with

the new position (internal REORG).

SD41700 $SN_AXCT_SWWIDTH[<axis container>] is only updated for a new configuration.

If, after incremental rotation of the RTM/MS, the position of a circuit before the initial position

is reached, the container can be rotated normally in the forward direction to reach the initial

position of the container again. The drum or rotary table must however be turned back to the

original position, so that measuring and supply cables are not twisted.

Sinumerik 828d