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Manual Supplement
00809-0500-4530, Rev AA
October 2010
Rosemount 5300/5400 Series
1-6
Connection Terminals The connection terminals are described in Table 1-1 below:
Table 1-1. Connection Terminals
Figure 1-3. Connection Terminals
for Rosemount 5300/5400 with
HART to Modbus Converter
Connector label Description Comment
HART + Positive HART connector Connect to PC with RRM
software, Field
Communicator, or other
HART configurators.
HART - Negative HART connector
MA
Modbus RS-485 B connection
(RX/TX+)
(1)
(1) The designation of the connectors do not follow the EIA-485 standard, which states
that RX/TX- should be referred to as 'A' and RX/TX+ as 'B'.
Connect to RTU
MB
Modbus RS-485 A connection
(RX/TX-)
(1)
POWER + Positive Power input terminal
Apply +8 Vdc to +30 Vdc
(max. rating)
POWER - Negative Power input terminal
MODBUS
POWER
HART
(RS-485)
HART to Modbus Converter
MB
MA
Ambients > 60 ºC
Use wiring rated
for min 90 ºC
-
-
+
+
HART +
HART -