Siemens SINUMERIK 840D sl Programming Manual page 641

Examples
Example 1: No keyword
Program code
DO $A_OUTA[1]=$AA_IN[X]
Example 2: WHENEVER
Program code
WHENEVER $AA_IM[X] > 10.5*SIN(45) DO ...
WHENEVER $AA_IM[X] > $AA_IM[X1] DO ...
WHENEVER ($A_IN[1]==1) OR ($A_IN[3]==0) DO ...
Example 3: EVERY
Program code
ID=1 EVERY $AA_IM[B]>75 DO POS[U]=IC(10) FA[U]=900
Job Planning
Programming Manual, 06/2009, 6FC5398-2BP20-0BA0
Comments
; Actual value output to analog output.
Comments
; Always when the actual value of axis B
exceeds the value 75 in machine
coordinates, the U axis should move
forwards by 10 with an axial feed.
Motion synchronous actions
10.1 Basics
Comments
; Comparison with an
expression calculated
during preprocessing
; Comparison with other main
run variable.
; Two comparison operations
that are gated with one
another.
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