
Reference Manual
00809-0600-4026, Rev BA
December 2011
2-7
Rosemount Process Radar
HART Communication The Rosemount 5300 Series transmitter operates with power supply ranging
from 16-42.4 Vdc (16-30 Vdc in IS applications, 20-42.4 Vdc in
Explosion-proof / Flameproof applications and in Non-Sparking / Energy
Limited applications).
All configuration tools for HART communication, such as the Field
Communicator and Rosemount Radar Master (RRM), require a minimum load
resistance (R
L
) of 250 within the loop in order to function properly, see
diagrams below.
Non-Intrinsically Safe Power Supply
NOTE
Rosemount 5300 Series Transmitters with Flameproof/Explosion-proof
Output have a built-in barrier; no external barrier needed.
Intrinsically Safe Power Supply
Load Resistance
250
Power
Supply
HART
Modem
Field
Communicator
PC
Rosemount 5300
Series Transmitter
Power
Supply
R
L
250
Approved
IS Barrier
Field
Communicator
PC
For IS Parameters, see the Product Certifications chapter in the
Rosemount 5300 Series Reference Manual (Document No. 00809-0100-4530).
HART
Modem
Rosemount 5300
Series Transmitter
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