1990_OptoEMU0 pages

OptoEMU Sensor DR
(Demand Response)
Features

OptoEMU
Sensor DR

Description
The OptoEMU Sensor™ Energy Monitoring Unit with Demand
Response (DR) monitors the electrical energy used in your
facility and then signals electrical equipment to turn on or off
in response to a request from an electric utility, demand
response aggregator, or curtailment service provider (CSP).
To reduce peak energy use that triggers demand charges,
electrical equipment loads can also be shed on predefined
usage thresholds.
The OptoEMU Sensor DR makes it easy to reduce your energy
costs by managing energy consumption, taking advantage of
demand response programs, and gaining control over your
energy pricing.

Why Monitor Energy?
Traditionally, energy has been considered an overhead cost.
Utility bills show few details about when and how electricity
was used, and they arrive long after the energy was
consumed.
However, new energy pricing structures are changing
traditional ways of looking at energy costs. Increasingly,
commercial and industrial businesses are finding that they can
significantly improve the bottom line by managing energy in
the same way as other business costs such as people, assets,
and inventory.

The OptoEMU Sensor DR’s digital inputs gather data from up
to two metering devices that emit pulses (such as a utility
meter or submeter). The Sensor DR can also monitor up to 64
data inputs from Modbus devices (over serial and Ethernet).
You can view this real-time and historical energy data through
a secure online software service such as Pulse Energy or
eSight. You choose the service that’s best for your business,
and OptoEMU Sensor DR sends energy data directly to that
service. Services usually provide graphs, energy usage
comparisons, and other tools to analyze energy use in detail.

Managing Demand Response Events
The OptoEMU Sensor DR includes four signal relay outputs
that can be used to automatically respond to a DR event by
signaling equipment such as HVAC fans and chillers to turn on
or off, or signal existing energy or building management
systems to perform load shedding.
Each Form C output can be wired for normally open or
normally closed.

Part Numbers
Description

OPTOEMU-SNR-DR1

Energy monitoring unit with Demand
Response capability (Wired+Wireless)

OPTOEMU-SNR-DR2

Energy monitoring unit with Demand
Response capability (wired Ethernet)

Opto 22 • 43044 Business Park Drive • Temecula, CA 92590-3614 • www.opto22.com
SALES 800-321-6786 • 951-695-3000 • FAX 951-695-3095 • sales@opto22.com • SUPPORT 800-835-6786 • 951-695-3080 • FAX 951-695-3017 • support@opto22.com

© 2012 Opto 22. All rights reserved. Dimensions and specifications are subject to change. Brand or product names used herein are trademarks or registered trademarks of their respective companies or organizations.

DATA SHEET

Part

Form 1990-1201210

In addition, new Demand Response (DR) programs from
energy providers offer opportunities to turn what used to be
an overhead cost into a source of revenue. The OptoEMU
Sensor DR lets you take advantage of these opportunities.

Gathering and Viewing Energy Data

OptoEMU Sensor DR (Demand Response)

Monitor real-time energy usage from utility meters
and equipment
See and analyze energy data online
Respond automatically or manually to Demand
Response requests from electrical energy providers
Exchange data with a SNAP PAC System, OPC or
Modbus/TCP systems, and SQL databases
Communicate over standard 10/100 Mbps Ethernet or
wireless LAN (802.11a, b, or g) or both

PAGE
1