Emerson Rosemount 5300 Series - Page 485

K.5.5 Bristol ControlWave Micro
Figure K-6: Wiring Diagram for Connecting Rosemount 5300 Modbus to Bristol
ControlWave Micro
Com Port 3 (C3) RS-485
1
2
3
4
5
TXD-
TXD+
GND
6
7
8
9
MA
MB
POWER +
POWER -
&
$
%
'
(
*1'
A. Rosemount 5300 Modbus
B. Power supply
C. + 8 to + 30 Vdc (max. rating)
D. ControlWave Micro
E. DB9 Male
Table K-10: Parameter Values (In Case of Bristol ControlWave Micro)
Parameter Value
Baud Rate 9600
Floating Point Format Code 2 (FC 4)
RTU Data Type 32-bit registers as 2 16-bit registers
Input Register Base Number 1
The Input Register Base Number needs to be added to the Input Register address of the
Rosemount 5300 Level Transmitter. In this case, register 1302 needs to have 1303 entered
as the address etc.
Reference Manual Rosemount 5300 with HART
®
to Modbus
®
Converter
00809-0100-4530 April 2019
Reference Manual 485