
Reference Manual
00809-0600-4026, Rev BA
December 2011
Rosemount Process Radar
2-10
Type n Approvals : Non-Sparking / Energy Limited Power Supply
RS-485 with Modbus
communication
The 5300 Series RS-485 with Modbus communication transmitter version
operates using a power supply ranging from 8-30 Vdc (max. rating). See the
Rosemount 5300/5400 Series with HART to Modbus Converter Manual
Supplement (Document No. 00809-0500-4530) for details.
Power Consumption:
< 0.5 W (with HART address=1)
< 1.2 W (incl. four HART slaves)
NOTE
Rosemount 5300 Series Transmitters with Flameproof/Explosion-proof
Output have a built-in barrier; no external barrier needed.
Power
Supply
Field
Communicator
PC
Rosemount 5300 Series
Transmitter
Fieldbus
Modem
MODBUS
POWER
HART
(RS-485)
HART to Modbus Converter
MB
MA
-
-
+
+
Ambients > 60 ºC
Use wiring rated
for min 90 ºC
MODBUS
(RS-485)
erter
MB
MA
-
If it is the last
transmitter on the
bus, connect the
120
termination
resistor.
RS-485 Bus
HART +
HART -
Power
Supply
120
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