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...
7654320
Description
No output of auxiliary functions
0000000All auxiliary functions are collected and the
last is output following NC START
1111110All auxiliary functions are output during block
search with calculation
0000010
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.
© Siemens AG 1992 All Rights Reserved 6FC5197- AA50 6–139
SINUMERIK 840C (IA)