Optional Devices; Rosemount ™ 333 Hart Tri-Loop - Emerson Rosemount 5408 Reference Manual

Electrical Installation
November 2017
4.9

Optional devices

4.9.1 Rosemount
The Rosemount 5408 and 5408:SIS Level Transmitters output a HART signal with four process variables.
By using the Rosemount 333 HART Tri-Loop, up to three additional analog 4-20 mA outputs are
provided.
Note
The operational mode on the Rosemount 5408:SIS must be set to Control/Monitoring when used with
the Rosemount 333 HART Tri-Loop.
Figure 4-6. Example Installation of Rosemount 333 with Rosemount 5408
A. Approved IS barrier
B. DIN rail mounted Rosemount 333
Load resistance (≥250 
C.
D. Control room
Refer to the Rosemount 333 HART Tri-Loop
and configure the Rosemount 333.
66
™
333 HART Tri-Loop
™
A
Reference Manual for further information on how to install
Reference Manual
00809-0100-4408, Rev BA
Each Tri-Loop
QV
channel receives
power from
TV
control room
Channel 1 must
SV
be powered for
the Tri-Loop to
operate
B
C
Rosemount 5408
receives power
PV
from control
room
D
Electrical Installation