Siemens Sinumerik 840D sl Programming Manual page 66

Flexible NC programming
1.3 Arithmetic functions
Example 2: Initializing complete variable arrays
Program code
R1=R1+1
R1=R2+R3
R10=R11/R12
R14=R1*R2+R3
R14=(R1+R2)*R3
R15=SQRT(POT(R1)+POT(R2))
RESFRAME=FRAME1:FRAME2
FRAME3=CTRANS(...):CROT(...)
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R4=R5-R6 R7=R8*R9
R13=SIN(25.3)
Comment
; New R1 = old R1 +1
; Multiplication or division takes precedence over
addition or subtraction.
; Parentheses are calculated first.
; Inner parentheses are resolved first:
R15 = square root of (R1+R2)
; The concatenation operator links frames
to form a resulting frame or assigns values
to frame components.
Programming Manual, 02/2011, 6FC5398-2BP40-1BA0
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