Siemens SINUMERIK 840C Installation Instructions Manual page 324

12.93
Bit patterns for bits...
7 6 5
Exam-
Irrelevant
ple a
Exam-
0 0 0
ple b
Exam-
1 1 1
ple c
Exam-
ple d
0 0 0
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
SINUMERIK 840C (IA)
6 NC Machine Data (NC MD), NC Setting Data (NC SD)
4 3 2 0
No output of auxiliary functions
All auxiliary functions are collected and the
0 0 0 0
last is output following NC START
All auxiliary functions are output during block
1 1 1 0
search with calculation
M functions are output during block search
with calculation; F, H, D, T and S functions
0 0 1 0
are collected and the last function output
following NC START.
6FC5197- AA50
6.6.3 Channel-specific MD bits 1 (channel bits)
Description
6–139