Siemens SIMATIC NET PROFIBUS Instruções de Operação Página 439

  • Descarregar
  • Adicionar aos meus manuais
  • Imprimir
Vista de página 438
1-1
PROFIBUS Optical Bus Terminal (OBT)
C79000-G8976-C122-02
Introduction
The PROFIBUS OBT (Optical Bus Terminal) is a network component for use in
optical PROFIBUS DP fieldbus networks. It allows the attachment of a single
device without an integrated optical interface to the optical PROFIBUS DP. The
following figure illustrates a typical configuration.
1) PROFIBUS cable (terminated at both ends)
2) Plastic FO cable or PCF FO cable with two fibers
PC
Programming Device
Operator Panel
SIMATIC S7-400
with IM 467 FO
ET 200M with
FO interface
DP node without
FO interface
2)
1)
2)
2)
1)
OBT
OBT
À
À
À
À
À
Terminating resistor activted
Figure 1-1 Example of an Optical PROFIBUS DP Configuration
1
Vista de página 438
1 2 ... 434 435 436 437 438 439 440 441 442 443 444 ... 489 490

Comentários a estes Manuais

Sem comentários