Emerson Rosemount 2410 Reference Manual page 48

Installation
March 2017
Figure 3-8
A 4-wire cable is used to connect the Primary and Secondary Tankbuses through the same cable entry.
The SIL alarm wire is connected through a separate cable entry. A junction box provides sufficient
number of connections for the field devices to the Primary and Secondary Tankbus.
Figure 3-8. SIL system with a Rosemount 5900S 2-in-1 connected to separate Tank buses
Pressure
transmitter
Primary Rosemount 2410
Primary Tank Hub is
connected to the
electronic unit of the
5900S 2-in-1 level gauge
for SIL overfill alarm
Primary Tankbus
38
illustrates an example with a 2-in-1 version of the Rosemount 5900S in a SIL safety installation.
Rosemount 5900S
Radar Level Gauge
Rosemount 2230
Terminators for Primary and
Secondary Tankbus
4-wire cable for
connection of
Primary Tankbus
and Secondary
Tankbus
Secondary Tank Hub is
connected to the 5900S
electronic unit used for
level measurements
Junction box
Reference Manual
00809-0100-2410, Rev DA
Rosemount 2240S
Temperature Transmitter
Pressure
transmitter
Secondary Rosemount 2410
Rosemount 2230
Secondary Tankbus
Installation