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Manual Supplement
00809-0500-4530, Rev AA
October 2010
1-5
Rosemount 5300/5400 Series
Figure 1-2. Field Wiring Connections
MODBUS
POWER
HART
(RS-485)
HART to Modbus Converter
MB
MA
-
-
+
+
Ambients > 60 ºC
Use wiring rated
for min 90 ºC
RS-485 Bus
B
A
Power
Supply
HART
+
HART -
120
120
In case it is the last
transmitter on the
bus, connect the
120
termination
resistor
MODBUS
(RS-485)
v
erter
MB
MA
-
120