Siemens SIMATIC NET PROFIBUS Instrucciones de operaciones Pagina 178

  • Descarga
  • Añadir a mis manuales
  • Imprimir
  • Pagina
    / 490
  • Tabla de contenidos
  • SOLUCIÓN DE PROBLEMAS
  • MARCADORES
  • Valorado. / 5. Basado en revisión del cliente
Vista de pagina 177
Active Components for RS-485 Networks
5-12
PROFIBUS Networks SIMATIC NET
6GK1970-5CA20-0AA1 Release 2 05/2000
5.4 Ungrounded Operation of the RS-485 Repeater
Ungrounded Operation
Ungrounded operation means that chassis and PE are not connected.
The ungrounded operation of the RS-485 repeater allows you to operate
electrically isolated bus segments.
Figure 5-8 shows the change in the potentials resulting from using the RS 485
repeater.
Signals
ungrounded
Signals grounded
Figure 5-8 Ungrounded Operation of Bus Segments
Vista de pagina 177
1 2 ... 173 174 175 176 177 178 179 180 181 182 183 ... 489 490

Comentarios a estos manuales

Sin comentarios