Emerson Process Management ROSEMOUNT 5300 Uživatelský manuál stáhnout pdf (Strana 67)

100

101

Reference Manual

00809-0100-4530, Rev BA

July 2009

4-9

Rosemount 5300 Series

Figure 4-7. Terminal

compartment and external

ground screw.

Cable entries.

Internal Ground screw.

Terminals for signal and power supply.

Locking screw.

External Ground screw

Grounding - Foundation Fieldbus

Signal wiring of the fieldbus segment cannot be grounded. Grounding out one

of the signal wires will shut down the entire fieldbus segment.

Shield Wire Ground

To protect the fieldbus segment from noise, grounding techniques for shield

wire usually require a single grounding point for shield wire to avoid creating a

ground loop. The ground point is typically at the power supply.

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