Siemens SINUMERIK 802D sl Programming And Operating Manual page 41

Address Meaning
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
I Cutting rate
with G96 active
I Dwell time
in block with G4
T Tool number
X Axis
Z Axis
AC Absolute coordinate
axis
ACC[ ] Percentage accelera-
tion override
Grinding
Programming and Operating manual, 06/2006, 6FC5398-4CP10-0BA0
Value assignments Information
The angle of the sum vector is
calculated from 2 vectors stand-
ing vertically one on another.
The 2nd vector specified is
always used for angle refer-
ence.
Result in the range: -180 to
+180 degrees
Used instead of M2 - to main-
tain 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
1 ... 32 000 The tool change can be per-
0 ... 9, only integer, formed either directly using the
no sign T command or only with M6.
This can be set in the machine
data.
±0.001 ... 99 Positional data
999.999
±0.001 ... 99 Positional data
999.999
- The dimension can be specified
for the end or center point of a
certain axis, irrespective of
G91.
1 ... 200, integer Acceleration override for an
axis or spindle; specified as a
percentage
3.1 Fundamental Principles of NC Programming
Programming
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...
T...
X...
Z...
N10 G91 X10 Z=AC(20) ;X -
incremental dimension,
Z - absolute dimension
N10 ACC[X]=80 ;for the X
axis 80%
N20 ACC[S]=50;for the spin-
dle: 50%
Programming
3-11