Programming; Activating The Block-Related Switching Signal Output (Cc_Faston) - Siemens SINUMERIK 840D sl Function Manual
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16.4
Programming
16.4.1
Activating the block-related switching signal output (CC_FASTON)
Syntax
CC_FASTON (DIFFON, DIFFOFF [,FEEDTOSWITCH])
CC_FASTON() is a procedure call and must therefore be programmed in a dedicated part
program block.
Parameter
The parameters for the CC_FASTON() procedure have the following meaning:
Parameter
<DIFFON>
<DIFFOFF>
<FEEDTOSWITCH>
* The basic unit (inch or mm) depends on the current dimensions programming (G70 / G71 / G700 /
G710).
Programming example
Programming
DEF REAL DIFFON= -0.08
DEF REAL DIFFOFF= 0.08
DEF REAL FEEDTOSWITCH= 20000
CC_FASTON(DIFFON,DIFFOFF,FEEDTOSWITCH)
Special Functions
Function Manual, 09/2011, 6FC5397-2BP40-2BA0
TE8: Cycle-independent path-synchronous switching signal output
Meaning
Length* of the offset distance for setting the switching signal.
Length* of the offset distance for deactivating the switching signal.
This parameter is optional.
If the parameter is not specified in the procedure call, the G0 edge change
is used as the switching criterion.
If the parameter is specified in the procedure call, it contains as a switching
criterion the velocity threshold value, which, when undershot or exceeded,
activates or deactivates the switching signal accordingly.
16.4 Programming
Comment
; Length* of the offset distance for
activating the switching signal = -
0.08
; Length* of the offset distance for
deactivating the switching signal =
0.08
; Speed threshold value = 20000
; Activating block-related switching
signal output (with speed threshold
value as switching criterion)
659
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