Siemens SINUMERIK 840D sl Programming Manual page 564

Oscillation
13.2 Oscillation controlled by synchronized actions (OSCILL)
Define infeeds: POSP
POSP[infeed axis] = (End pos, partial length, mode)
The following are declared to the controller with the
● Complete infeed (with reference to end position)
● The length of the partial infeed at the reversal point or in the reversal area
● The partial infeed response when the end position is reached (with reference to mode)
Mode = 0
Mode = 1
Define motion-synchronized actions
The synchronized-motion actions listed below are used for general oscillation.
You are given example solutions for individual tasks, which you can use as modules for
creating user-specific oscillation movements
Note
In individual cases, the synchronization conditions can be programmed differentially.
Keywords
WHEN ... DO ...
WHENEVER ... DO
Functions
You can implement the following functions with the language resources described in detail
below:
1. Infeed at reversal point.
2. Infeed at reversal area.
3. Infeed at both reversal points.
4. Stop oscillation movement at reversal point.
5. Restart oscillation movement.
6. Do not start partial infeed too early.
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The distance-to-go to the destination point for the last two partial
infeeds is divided into two equal steps (default setting).
All partial infeeds are of equal size. They are calculated from the
complete infeed.
when..., do...
whenever..., do...
Programming Manual, 03/2013, 6FC5398-2BP40-3BA1
command:
POSP
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