V1: Feedrates
17.4 Feedrate control
Basic Functions
Function Manual, 09/2011, 6FC5397-0BP40-2BA0
1399
The endofblock criterion is satisfied when:
• The programmed end position is reached
• The retraction motion ends (SR)
• The dwell time elapses (ST)
Delete distance-to-go
A retraction motion or dwell time causes the distancetogo to be deleted.
Hardware assignment
The channel-specific machine data:
MD21220 MULTFEED_ASSIGN_FASTIN
(assignment of the input byte of the NCK I/Os for "Multiple feedrates in one block")
can be used to assign up to two digital input bytes or comparator input bytes to the NCK I/O.
Machine data:
MD21220 MULTFEED_ASSIGN_FASTIN
can also be used to invert the input bits.
Figure 17-5 Signal routing for "Multiple feeds in one block"
Marshaling of the digital input bytes and parameterization of the comparators are described in:
Reference:
Function Manual, Basic Functions; Various Interface Signals (A2)
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