System Architecture - Emerson Rosemount 3300 Series Reference Manual

Reference Manual
00809-0100-4811, Rev AB
July 2003
SYSTEM
ARCHITECTURE
Figure 2-4. System architecture.
Integral
Display
The Rosemount 3300 Series Radar Transmitter is loop-powered which
means it uses the same two wires for both power supply and output signal.
The output is a 4-20 mA analog signal superimposed with a digital HART
signal.
By using the optional HART Tri-loop, it is possible to convert the HART signal
to up to three additional 4-20 mA analog signals.
With the HART protocol it is possible to use multidrop configuration. In this
case communication is restricted to digital since current is fixed to the 4 mA
minimum value.
The transmitter can be connected to display Model 751 Field Signal Indicator
or it can be equipped with an integral display.
The transmitter can easily be configured by using a HART 275/375
Communicator or a PC with the Radar Configuration Tool software.
Rosemount 3300 Series transmitters are also compatible with the AMS
(Asset Management Solutions™) software which also can be used for
configuration.
Model 751
Field Signal Indicator
3300 SERIES
RADAR
TRANSMITTER
4-20 mA/HART
HART 275/375
Communicator
Rosemount 3300 Series
Tri-Loop
3 x 4-20 mA
HART modem
Radar Configuration Tool
or
AMS
™
DCS
2-5