Siemens SINUMERIK 840 Planning Manual page 256

9 Examples
9.2.13 FB 173 Display selection loading/unloading
Block structure
9–84
Network 1
* * * * * * * * * *
– Check whether loading/unloading
permissible
– Load or preset status words
– Save operator panel flags
Network 2
* * * * * * * * * *
– Check machine data words for the
magazine to be loaded
(DB 145/DW 136)
– Request D No. from TO memory if
necessary
Network 3
* * * * * * * * * *
– Delete D No. if necessary
Network 4
* * * * * * * * * *
– Initialize NC and PLC pointers
– Delete loading line if necessary
Network 5
* * * * * * * * * *
– Save status word
– Load operator panel flags
© Siemens AG 1991 All Rights Reserved
01.91
6FC5 197-0AA40-1BP1
SINUMERIK 840/880 (PJ)