SITRANS RD500 and MultiRanger
Configuring SITRANS RD500 for connection to MultiRanger with MODBUS RTU
To connect the SITRANS RD500 to a Siemens MultiRanger via an RS-485 MODBUS connection.
While every effort was made to verify the following information, no warranty of accuracy or usability is expressed or implied.
This application guide outlines the requirements and procedure to connect SITRANS RD500 and Siemens MultiRanger via an RS-
485 MODBUS connection.
The SITRANS RD500 is a remote data manager providing integrated web access, alarm event handling, and data capture for
instrumentation. Siemens MultiRanger is a versatile short- to medium-range ultrasonic single and multi-vessel level
monitor/controller. Process values from MultiRanger (such as level, volume, flow, totalization and pumping statistics) can be
logged in SITRANS RD500.
This application guide describes how to:
connect SITRANS RD500 to MultiRanger,
set up a data log in the RD500 to record information from the MultiRanger, and
configure SITRANS RD500 to read MODBUS registers from MultiRanger.
This application guide is an addition to the operating instructions. Please review the operating instructions for the RD500
application, and RD500 hardware to ensure you are familiar with configuring the SITRANS RD500.
Siemens Milltronics Process Instruments Inc.
1954 Technology Drive, P.O. Box 4225
K9J 7B1 / Canada
RD500 manuals (Hardware and
Tel.: (705) 745-2431
Fax: (705) 741-0466
Ethernet crossover cable
Small terminal screw driver
DC power supply