Siemens SINUMERIK 840C User Manual
Page 324
12.93
6 NC Machine Data (NC MD), NC Setting Data (NC SD)
6.6.3 Channel-specific MD bits 1 (channel bits)
Exam-
ple a
Exam-
ple b
Exam-
ple c
Exam-
ple d
Bit patterns for bits...
7
6
5
4
3
2
0
Description
No output of auxiliary functions
0
0
0
0
0
0
0
All auxiliary functions are collected and the
last is output following NC START
1
1
1
1
1
1
0
All auxiliary functions are output during block
search with calculation
0
0
0
0
0
1
0
M functions are output during block search
with calculation; F, H, D, T and S functions
are collected and the last function output
following NC START.
Irrelevant
All auxiliary functions that were collected during block search are activated with NC START at
the end of the block search and output to the PLC. The 'collection' procedure ensures that
only the last F, H, D, T, S and M function becomes active.
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Siemens AG 1992 All Rights Reserved 6FC5197- AA50
6–139
SINUMERIK 840C (IA)