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Rosemount 5300 Series with HART® to Modbus® Converter
May 2016
Reference Manual
00809-0100-4530, Rev DD
379
Rosemount 5300 Series with HART® to Modbus® Converter
Figure J-2. Field Wiring Connections
J.5.1
Connection terminals
The connection terminals are described in
below:
Table J-1. Connection Terminals
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-)
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
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)
verter
MB
MA
-
120
Содержание 5300 Series
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