Schneider Electric Modbus Plus Network Bridge Multiplexer none Guide d'installation Page 76

  • Télécharger
  • Ajouter à mon manuel
  • Imprimer
  • Page
    / 261
  • Table des matières
  • MARQUE LIVRES
  • Noté. / 5. Basé sur avis des utilisateurs
Vue de la page 75
Estimating Network Performance
890 USE 100 00
61
3.3 How Devices Interact on the Network
Multiple data transfer and programming operations can occur
concurrently on anetwork. As an example, consider the network in
Figure 27. This example shows five nodes on a single network. In
practice, the network could contain up to its full complement of 64
nodes, and additional networks could be connected through Bridge Plus
devices.
MODBUS PLUS NETWORK
COMPUTER
P230
PROGRAMMING
CONTROLLER
PANEL
CONTROLLERCONTROLLER COMPUTER
P230
PROGRAMMING
PANEL
NODE
2
NODE
30
NODE
31
NODE
3
NODE
4
A B
Figure 27 Concurrent Multiple Operations
Control processes can be in progress between various nodes while plant
personnel are actively programming, archiving, and diagnosing the
devices from different locations.
Examples of operations which can be occurring concurrently on this
network include:
V Data transfers in progress between controllers 2 and 4
V Computer A operating as a user interface obtaining data from
controllers 2 and 4
Vue de la page 75
1 2 ... 71 72 73 74 75 76 77 78 79 80 81 ... 260 261

Commentaires sur ces manuels

Pas de commentaire