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Reference Manual
00809-0100-4530, Rev BA
July 2009
4-13
Rosemount 5300 Series
OPTIONAL DEVICES
Tri-Loop HART to analog
converter
The Rosemount 5300 transmitter outputs a HART signal with four process
variables. By using the Model 333 HART Tri-Loop, up to three additional
analog 4-20 mA outputs are provided.
Figure 4-11. Wiring diagram for
HART Tri-Loop.
Configure Channels 1, 2, and 3 to reflect the units as well as Upper Range
Values and Lower Range Values for your secondary, tertiary and fourth
variables (variable assignment is configured in the Rosemount 5300). It is
also possible to enable or disable a channel from this menu. See “Tri-Loop
HART to Analog Converter“ on page 5-45 for further information on how to
install a Tri-Loop.
Ch. 3
Ch. 2
Ch. 1
Each Tri-Loop
Channel
recieves power
from Control
Room
Channel 1 must
be powered for
the Tri-Loop to
operate
Device recieves
power from
Control Room
R
L
250
HART Burst Command 3/
Analog Output
Intrinsically Safe Barrier
DIN Rail Mounted
HART Tri-Loop
Control Room
Burst Input
to Tri-Loop
Rosemount 5300 Series
Radar Transmitter