Siemens SINUMERIK 840D sl Programming Manual page 312

Special motion commands
4.11 Programmed end-of-motion criterion (FINEA, COARSEA, IPOENDA, IPOBRKA, ADISPOSA)
Block change criterion in braking ramp
The percentage value is entered in the setting data synchronous to the main run:
SD43600 $SA_IPOBRAKE_BLOCK_EXCHANGE
If no value is specified, the current value of this setting data is effective.
The range is adjustable from 0% to 100%.
Additional tolerance window for IPOBRKA
A second block change criterion, "tolerance window", can be selected in addition to the
existing block change criterion in the braking ramp. It will only be enabled if the axis:
● As before has reached the specified % value of its braking ramp
● its current actual or set position is no further than a tolerance from the end of the axis in
References
For further information about the block change criterion for positioning axes, see:
● Function Manual, Extended Functions; Positioning Axes (P2)
● Programming Manual, Fundamentals; Chapter "Feedrate control".
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and
the block.
Programming Manual, 06/2009, 6FC5398-2BP20-0BA0
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