
5.4
Establish HART
®
communication for
transmitter with HART to Modbus
®
Converter
The Rosemount 5300 Level Transmitter can be configured using the Rosemount Radar
Master PC software or a handheld communicator. Configuration is done by sending HART
commands through the HART to Modbus Converter (HMC) to the 5300 Level Transmitter
electronics. To establish HART communication, connect to the MA/MB terminals, or to the
HART terminals. Both alternatives are described below.
5.4.1
Connect to the MA/MB terminals
The Rosemount 5300 Level Transmitter can be configured with Rosemount Radar Master
using the MA, MB terminals.
Prerequisites
An RS-485 Converter is required to connect to the transmitter.
The transmitter will try to establish communication using different protocols during 20
second time-slots from time of startup.
Figure 5-4: RS-485 Communication after Startup
$
%
&
'
&
'
A. Time (s)
B. Modbus RTU
C. HART
D. Configured protocol (Modbus RTU, Levelmaster, or Modbus ASCII)
The transmitter will continue to use a communication protocol once communication has
been established.
Procedure
1. Connect the RS-485 Converter to the MA, MB connectors.
2. Start Rosemount Radar Master.
3. Enable HART communication and set communication preferences.
a) Select
View
→
Communication Preferences
.
b) Select the
HART
tab.
c) Select the
Enable HART Communication
checkbox.
d) In the
Port
list, select the COM port number that the RS-485 Converter is
connected to.
e) Select
Advanced
and use the following settings:
Reference Manual
Configuration
00809-0100-4530
April 2019
Reference Manual
119
Содержание Rosemount 5300 Series
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