Siemens S7-400PLC Specifiche Pagina 49

  • Scaricare
  • Aggiungi ai miei manuali
  • Stampa
  • Pagina
    / 80
  • Indice
  • SEGNALIBRI
  • Valutato. / 5. Basato su recensioni clienti
Vedere la pagina 48
Integrating FB20 in the PLC program
01.00|FB20|en
49
To ensure that data consistency is maintained, the data should be
read and/or written via the SFC14/SFC15. Accordingly, the ad-
dresses in the flag area or the data module must be cached before
passing on the addresses to the FB20.
SCHUNK recommends specifying the starting bytes of the inputs so
that they appear in the cross-reference list, so that improved soft-
ware maintenance is possible.
Data module for the service or system data
Fig. 66
4.3
db_sys_sd
Vedere la pagina 48
1 2 ... 44 45 46 47 48 49 50 51 52 53 54 ... 79 80

Commenti su questo manuale

Nessun commento