Emerson Rosemount 5400 Series - 2 Connection Terminals

62
Reference Manual
00809-0100-4026, Rev HA
Section 4: Electrical Installation
November 2014
Electrical Installation
4.10.2 Connection terminals
The connection terminals are described in Tab le 4 - 2 below:
Table 4-2. Connection Terminals
Figure 4-16. Connection Terminals for Rosemount 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 does not follow the EIA-485 standard, which states that RX/TX- should be referred to as 'A' and
RX/TX+ as 'B'.
Connect to Remote Terminal Unit
(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 -