Siemens SINUMERIK 802D sl Programming And Operating Manual page 203

Address Meaning
R0 Arithmetic
to parameters
R299
Arithmetic functions
SIN( ) sinusoidal
COS() Cosine
TAN() Tangent
ASIN() Arc sine
ACOS() Arc cosine
ATAN2( , ) Arctangent2
SQRT() Square root
POT() Square
ABS() Absolute value
TRUNC() Truncate to integer
LN() Natural logarithm
EXP() Exponential function
RET Subroutine end
S... Spindle speed
(master spindle)
S1=... Spindle speed
for spindle 1
S2=... Spindle speed
for spindle 2
S Cutting rate
with G96 active
S Dwell time
in block with G4
Surface grinding
Programming and Operating Manual, 11/2012, 6FC5398-5CP10-3BA0
Value assignments Information
± 0.0000001 ...
9999 9999
(8 decimal places)
or with specification
of an exponent:
± (10-300 ...
10+300 )
In addition to the 4 basic
arithmetic functions using the
operands + - * /, there are the
following arithmetic functions:
Degrees
Degrees
Degrees
The angle of the sum vector is
calculated from 2 vectors
standing vertically one on
another. The 2nd vector
specified is always used for
angle reference.
Result in the range: -180 to
+180 degrees
Used instead of M2 - to
maintain the continuous-path
control mode
0.001 ... 99 Unit of measurement of the
999.999 spindle r.p.m.
0.001 ... 99 Unit of measurement of the
999.999 spindle r.p.m.
0.001 ... 99 Unit of measurement of the
999.999 spindle r.p.m.
0.001 ... 99 Cutting rate unit m/min with
999.999 G96;
for master spindle only
0.001 ... 99 Dwell time in spindle revolutions G4 S... ;separate block
999.999
10.1 Fundamental principles of NC programming
Programming
R1=7.9431 R2=4
with specification of an
exponent:
R1=-1.9876EX9; R1=-1 987
600 000
R1=SIN(17.35)
R2=COS(R3)
R4=TAN(R5)
R10=ASIN(0.35) ; R10:
20.487 degrees
R20=ACOS(R2) ; R20: ...
Degrees
R40=ATAN2(30.5,80.1) ;
R40: 20.8455 degrees
R6=SQRT(R7)
R12=POT(R13)
R8=ABS(R9)
R10=TRUNC(R2)
R12=LN(R9)
R13=EXP(R1)
RET ;separate block
S...
S1=725 ; speed 725 r.p.m.
for spindle 1
S2=730 ; speed 730 r.p.m.
for spindle 2
G96
S...
Programming
203