Kippzonen COMBILOG Data Logger Manuel d'utilisateur Page 119

  • Télécharger
  • Ajouter à mon manuel
  • Imprimer
  • Page
    / 173
  • Table des matières
  • MARQUE LIVRES
  • Noté. / 5. Basé sur avis des utilisateurs
Vue de la page 118
DA: Destination-Address (length = 1 byte):
The Destination-Address DA identifies the address of the com-
munication partner to whom the data shall be transmitted or
from whom data shall be requested. Destination-Address can
have values from 0 to 127 in the PROFIBUS-protocol. It is
stated here as a hexadecimal value (hex 00 .. 7F).
SA: Source-Address (length = 1 byte):
The Source-Address SA identifies the address of your own ap-
pliance and is reported to the communication partner with the
telegram. Source-Address can have values from 0 to 127 (hex
00 .. 7F).
FC: Frame-Control (length = 1 byte):
The Frame-Control FC identifies the type of telegram (request
or response telegram), the type of station (passive or active
station), the type of data transmission (send and/or request
data, with or without acknowledgement, etc.) and the telegram
acknowledgement (successful transmission or unsuccessful
transmission). For the entire listing, coding and meaning of the
Frame-Control see the PROFIBUS-Norm DIN 19245, part 1.
ReqDataUnit: Request-Data-Unit (length = 0 ... n byte):
The Request-Data-Unit identifies a data field in the request
telegram which contains the data for the communication part-
ner with the DA address.
Hardware Manual COMBILOG 1022
119
Vue de la page 118
1 2 ... 114 115 116 117 118 119 120 121 122 123 124 ... 172 173

Commentaires sur ces manuels

Pas de commentaire