Obvius R9120 User Manual Rev C
ModHopper - Wireless Modbus/Pulse Transceiver
Obvius, LLC
Installation and Operation Manual
Model R9120 (Rev C)
Date Dec 11, 2012
Page 1 ModHopper R9120 rev C – Wireless Modbus/pulse transceiver
Copyright Information
Copyright © 2004 – 2012 by Obvius
Obvius, AcquiSuite and ModHopper are trademarks of Obvius Holdings LLc
Other brand and product names are trademarks or registered trademarks of their respective holders.
U.S. Government Restricted Rights: Use, duplication or disclosure by the Government is subject to restrictions set fourth in subparagraph (a) through
(d) of the Commercial Computer Restricted Rights clause at FAR 52.227-19 when applicable, or subparagraph (c) (1) (ii) of the Rights in Technical Data
and Computer Software clause at DFARS 252.227-7013, and in similar clauses in the NASA FAR Supplement.
Limited Warranty
OBVIUS IS PROVIDING THIS WARRANTY IN LIEU OF ALL OTHER EXPRESS OR IMPLIED WARRANTIES, INCLUDING ANY WARRANTY
OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. THIS WARRANTY IS BUYER'S EXCLUSIVE REMEDY FOR ALL
CLAIMS AGAINST OBVIUS. OBVIUS SHALL NOT BE LIABLE FOR ANY CONSEQUENTIAL OR INCIDENTAL DAMAGES. OBVIUS'S TOTAL
LIABILITY FOR ALL CLAIMS SHALL BE LIMITED TO THE PRICE PAID FOR ITS PRODUCT.
Obvius promises buyer that any standard product manufactured by Obvius shall be free from all material defects in design, material, or manufacturing for
a period of 2 years from the manufacture date; provided, however, that the warranty shall not extend to ordinary wear and tear or to normally replaceable
components (e.g., batteries). During the warranty period, Obvius may repair or replace (in its sole discretion) any product suffering from a warranty defect
and returned freight prepaid by buyer, with no charge to buyer for any warranty repair or replacement. The warranty shall remain in full force and effect
for such 2 year period, provided that the product: (1) was installed, operated, and maintained properly; (2) has not been abused or misused; (3) has not
been repaired, altered, or modified outside of Obvius's authorized facilities; (4) has not been sold subject to other warranty terms specified at the time of
sale; and (5) is still owned by the original purchaser. This warranty provides specific legal rights that may be varied by state law. Obvius's products are not
designed for life or safety applications.
Product Application Limitation
Obvius strongly believes in continuous improvement, therefore we must reserve the right to change specifications and product offerings without notice.
Where possible, we will substitute products with equivalent functionality when necessary.
NOTICE
● This product is not intended for life safety applications.
● Do not install this product in hazardous or classified locations.
● The installer is responsible for conformance to all applicable codes.
FCC Part 15 Information
Note: This equipment has been tested by the manufacturer and found to comply with the limits of a class A digital device, pursuant to part
15 of the FCC rules. These limits are designed to provide reasonable protection against interference when the equipment is operated in a
commercial environment. This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in
accordance with the instruction manual, may cause harmful interference to radio communications. Operation of this equipment in a
residential area is likely to cause harmful interference in which case the user will be required to correct the interference at his own expense.
Modifications of this product without the express authorization of Obvius nullify this statement.
Obvius
3300 NW 211th Terrace
Hillsboro, OR 97007
ph: 503-601-2099
www.obvius.com
Page 2 ModHopper R9120 rev C – Wireless Modbus/pulse transceiver
Table of Contents
Markings and Symbols:...............................................................................................................................................................3
Overview......................................................................................................................................................................................4
Applications.................................................................................................................................................................................4
Installation Checklist...................................................................................................................................................................4
Model Information.......................................................................................................................................................................5
Hardware Overview.....................................................................................................................................................................6
R9120 Features and Specifications........................................................................................................................................6
Electrical Connections...........................................................................................................................................................7
Hardware Installation...................................................................................................................................................................7
Modbus Address....................................................................................................................................................................8
System settings.......................................................................................................................................................................8
Status LEDs............................................................................................................................................................................8
Signal Strength Test...............................................................................................................................................................8
Monitoring usage:........................................................................................................................................................................9
AcquiSuite Data Display Page:..............................................................................................................................................9
AcquiSuite Advanced Configuration Options......................................................................................................................10
AcquiSuite route mapping display.......................................................................................................................................11
Modbus Features........................................................................................................................................................................12
Supported Modbus Functions..............................................................................................................................................12
Modbus Register List...........................................................................................................................................................12
Register Functions................................................................................................................................................................14
Mechanical Drawings................................................................................................................................................................15
Firmware Update.......................................................................................................................................................................16
Markings and Symbols:
WARNING: A potential risk exists if the operating instructions are not followed
General Warning Symbol: This symbol indicates the need to consult the operating instructions provided with the
product.
This symbol indicates the presence of electric shock hazards.
This symbol indicates: Do not apply to or remove from hazardous live conductors.
Direct Current symbol.
Page 3 ModHopper R9120 rev C – Wireless Modbus/pulse transceiver
Overview
The ModHopper™ wireless Modbus/pulse transceiver is designed to allow systems integrators the ability to communicate
with remote locations while avoiding the costs associated with running low voltage wiring to multiple locations in a single or
between multiple buildings. To meet these requirements, the ModHopper™ provides the installer with all the tools
necessary to install and configure the hardware and software with a minimum of time and investment.
Applications
The R9120 wireless Modbus/pulse transceiver has several applications. These include:
● Energy Monitoring.
● Solar PV Power Generation monitoring
● Malls, office buildings, and other tenant energy monitoring applications.
Installation Checklist
A ModHopper™ system installation has the following components:
Required hardware
● Two or more ModHopper R9120 transceivers.
Note: the R1920 transceivers must be the same radio type. e.g. R9120-3 must be used with another R9120-3;
R9120-5 must be used with another R9120-5.
External hardware
● RS485 Modbus master system such as an A8812 AcquiSuite™ or a Modbus compatible PLC.
● Optional: RS485/Modbus slave devices such as power meters or IO modules.
● Optional: Pulse output transducers for measuring gas, electricity, water, etc. from existing meters and sensors.
Make sure to obtain the pulse output scale, or multiplier for each device you will be using.
● Low voltage wire for attaching pulse or Modbus devices to the R9120, typically 18-24gauge
Page 4 ModHopper R9120 rev C – Wireless Modbus/pulse transceiver
Model Information
There are two revisions of the ModHopper R9120 hardware board. These are Rev-A and Rev-C. Below is a picture of the
revision information on the circuit board. This is located next to the screw terminals on the board.
Before proceeding with the installation, verify the hardware is Rev C. If you have the Rev-A marking on the circuit board,
please download the user manual for the Rev-A hardware. It is important to use the correct manual that matches the
hardware being installed.
This manual covers only revision C hardware.
As per SIPCO LLC, this product may be used in a system and employ or practice certain features and/or methods of one or
more of the following patents:
SIPCO, LLC
U.S. Patent No. 7,103,511
U.S. Patent No. 6,914,893
U.S. Patent No. 6,891,838
U.S. Patent No. 5,714,931
U.S. Patent No. 6,233,327
U.S. Patent No. 7,397,907
U.S. Patent No. 6,618,578
U.S. Patent No. 7,079,810
U.S. Patent No. 7,295,128
U.S. Patent No. 7,263,073
U.S. Patent No. 7,480,501
U.S. Patent No. 6,437,692
U.S. Patent No. 7,468,661
U.S. Patent No. 7,053,767
U.S. Patent No. 7,650,425
U.S. Patent No. 7,739,378
Page 5 ModHopper R9120 rev C – Wireless Modbus/pulse transceiver
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