Siemens SINUMERIK 840C Installation Instructions Manual page 279

6 NC Machine Data (NC MD), NC Setting Data (NC SD)
6.6.1 General MD bits (general bits)
Note:
If the MD bit is not set, the last function to be programmed in the block is
active.
Example:
Example: Mixed programming G90/91 in one block
Y
130
100
60
N5
N10
N15
N20
Bit 3 The tool offset can be extended by 2 additional tool offset parameters
(P8, P9) (see also Programming Guide).
Bit 2 Bit 2 = 0 SUBROUTINE END (M17) is sent to the PLC as an M function.
Bit 2 = 1 SUBROUTINE END is only active NC internal
(subroutine return jump fast).
6–94
G58 X... G91 X50... G90 Y100
added new absolute
incrementally to entry of Y value
previous G58 X... (Y = 100)
value
N5
50 60
L F
G01 X50 Y60 F500
L F
G91 X50 Y40
L F
G90 X60 G91 Y30
L F
M30
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Siemens AG 1992 All Rights Reserved
N15
N10
100 X
6FC5197- AA50
SINUMERIK 840C (IA)
09.01