Hazardous Locations; Grounding; Shield Wire Ground - Emerson Rosemount 5600 Series Reference Manual

Reference Manual
00809-0100-4025, Rev AA
May 2003

Hazardous Locations

Grounding

Figure 3-4. Rosemount 5600
Radar Transmitter Field Wiring
Refer to Appendix A: Product Certificates.
Signal wiring of the fieldbus segment can not 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.
Integrated Power
Conditioner
and Filter
Power
Supply
(The power supply,
filter, first
terminator, and
configuration tool
are typically located
in the control room.)
*Intrinsically safe installations
may allow fewer devices per I.S.
barrier due to current
limitations.
Rosemount 5600 Series
6234 ft (1900 m) max
(depending upon cable
characteristics)
Terminators
Fieldbus
Segment
(Trunk)
F
OUNDATION
fieldbus
Configuration
Tool
Configuration with Radar Master
(in a fieldbus system hooked up to
the device Sensor Bus Port).
Signal
Wiring
fieldbus
devices on
segment
3-5