01.91 9  Examples
9.2.7  FB 167  Unload spindle
Block structure
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Network 1
* * * * * * * * * *
– Load static signal, status word and
parameters 
– Delete buffer
– Set bit "Function flag = manual
loading" to "1"
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Network 2
* * * * * * * * * *
– Initialize NC and PLC pointers
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Network 3
* * * * * * * * * *
– Save status word
– Reset static signal
Data structure
Address key
DL DR
Comment
FW 228
:
FW 254
FW 224 Status word
Auxiliary flag
Auxiliary flag
DB 145, DW 19
Address key Structure of DB 145
DL DR
Comment
DW 19 Status word
© Siemens AG  1991  All Rights Reserved      6FC5 197-0AA40-1BP1 9–67
SINUMERIK 840/880 (PJ)