Siemens ET8 Series Specifiche Scaricare il pdf (Pagina 76)

Figure 5-1.—Manual switchboard.

Figure 5-2.-Sample manual switching

configuration.

subsystems as shown in figure 5-5. The switches also

can be used to interrupt or redirect signal flow

manually during maintenance operations.

Control and status signals are normally used to

initiate the switching action and monitor the status of

the switch positions. The CSCP generates control

signals to select the desired switch configuration on

the switchboard. Status signals from the switchboard

light indicators on the CSCP to display the current

switching configuration. In a casualty situation,

manual positioning of switches can be performed.

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Siemens ET8 Series Specifiche Pagina 76