Siemens Sinumerik 840D Operating Turning page 86

Section 6
Notes
B505
B505
Summary
Suggestion of a subprogram for tool changing:
Subprogram name: SUBR100.SPF
N10 G18 G00 X300 Z500 SUPA G40 D0;
N20 RET;
Explanation of the symbols
M
Machine zero point
W
Work piece zero point
MCS Machine coordinate system
WCS Work piece coordinate system
Instruction Meaning
G54 to G57 Call-up of a selectable zero point offset *
G505 to G599 Call-up of further zero point offsets *
(conditionally available)
D0 Deactivation of the tool dimensions *
D1- D9 Reactivation of the tool dimensions after the tool
change *
SUPA Switching-OFF of programmable, selectable and ex-
ternal offsets **
RET End of subprogram, return jump
* Modally operative instruction
** Instruction operative block-by-block
Page 8
Approach of tool changing
point in the turning plane,
zero point offsets OFF,
all tool corrections OFF
Return to the main program,
with out interruption of the
feed motion.
840D/828D SINUMERIK Operate