Data sheet
DECS 2.0
Danfoss Energy Control System
Description
DECS 2.0
DECS 2.0
The Danfoss Energy Control System (DECS) is a
web-based SCADA software solution (Supervisory
Control And Data Acquisition) for district heating
systems.
This SCADA solution is typically installed locally
at the heating utility and will automatically
configure its user interface and functionality to
support the application in the controller (for
example Danfoss ECL Comfort 310).
The user of the DECS 2.0 system is able to remote
control and monitor the parameters settings in
the controllers and also monitor actual, reference
and historical values of sensors and meters
connected to the controller.
Danfoss ECL Comfort 310, OPR0010 and OPR0020
controllers are supported by the autoconfiguration features of DECS 2.0, but the ECL
Apex 20 controller can also be supported by
manually adding graphics and programs into
DECS 2.0.
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Data sheet DECS 2.0 Danfoss Energy Control System
User benefits The advantages of DECS 2.0 are among others:
Easy installation Easy access
Automatic configuration makes installation easy Access to control and monitor locally and remotely
Advanced techniques are used for simplifying and
automating the installation process. Once the
controller is installed and connected to the
network, the web-based user interface is
generated on the DECS server with just a few
mouse clicks. The DECS server sof tware is installed
at the heating plant and has no special
requirements except for a reliable PC connected
to the internet.
Easy customization Standard
User interface and functionality suits projec t specific
needs
DECS is a visualisation platform based on the
Atvise SCADA system. The user interface and
functionality is easily customized by the system
integrator to project specific requirements using
the Engineering Tool. The scaleability of DECS
ensures an optimized SCADA solution for small,
large and growing district energy networks.
System architecture The architecture of DECS 2.0 is shown below.
The central building blocks of the DECS 2.0 s ystem
are the HMI (Human Machine Inter face) using the
Atvise SCADA Client software from Certec, the
database for storing all logged data from the
controllers and the OPC UA Server software
handling the data communication with the
controllers.
Data is constantly exchanged between the
controllers and the DECS Server. The server
provides an intuitive user interface, which is
accessible from any standard browser on a PC,
laptop or smartphone connected to the internet.
You can control and monitor your heating station
and substation installations from everywhere.
System is built on standardized software and
interfaces
Standardized DECS Server software increases
reliability, lowers hardware complexity and allows
integration of other building automation systems
into the heating system. The communication
interfaces are based on the well-known ModbusRTU or Modbus-TCP protocols, which provide a
reliable, low complexity network.
DECS 2.0 suppor ts data communication between
the server and controllers using Modbus-TCP
(Ethernet), LON bus and Modbus-RS485.
Ethernet (MODBUS-TCP)
Bioma ss
Controller
Bioma ss
Controller
CENTRAL SYSTEM
HMI (atvise)
(Web-Browser / SCADA-System)
OPC UA Server
Bioma ss
Controller
Biomass
Controller
LON network
Biomass
Controller
Bioma ss
Controller
MODBUS (RS485)
Biomass
Controller
Databa se
Bioma ss
Controller
Biomass
Controller
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Data sheet DECS 2.0 Danfoss Energy Control System
Application DECS 2.0 software automatically adapts its user
interface to fit the application in the controller.
The following controller applications are
supported:
• ECL Comfort 310 controller
* Please see ‘List of app lication keys
supported by DECS 2.0’
Go to http://heating.danfoss.com. In the
‘Documentation’ menu select ‘Electronic
Controllers & PI Controllers > SCADA
Solutions > Data sheet’.
• OPR0020 Controller
* Firmware R4 and newer
• OPR0010 Controller
* Firmware v3.
Below is an application example of DECS 2.0 in a
biomass district heating network using
Modbus-RS485 for data communication. The
server, which has DECS 2.0 installed, is located in
the district heating utility and a central laptop is
used for operating the DECS 2.0 system.
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As an option the ECL Apex 20 controller can be
integrated into DECS 2.0 to remote control and
monitor the district heating utility or boiler house.
This requires a system integrator to develop a
customized application for the ECL Apex 20
controller as well as a customized HMI for the
DECS 2.0 system using the OPC server software
for ECL Apex 20.
An external ser vice provider also has access to the
DECS 2.0 system using his laptop connected to
the internet. The server and the ECL Comfort 310
controllers are communicating via an RS485 serial
link using the Modbus protocol.
k
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p
j
m
j
q
j Private house
k Boiler house for biomass
l Modbus-RS485 network
m Internet
n DECS 2.0 server
o DECS 2.0 client (external service provider)
p DESC 2.0 client (central administration)
q ECL Comfort 310 controller
o
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Data sheet DECS 2.0 Danfoss Energy Control System
Application
Below is an application example of DECS 2.0 in
biomass district heating network using ModbusTCP (ethernet) for data communication. It is similar
to the previous example except that the ECL
Comfort 310 controllers are communicating with
the server via standard internet connections using
the Modbus protocol.
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These internet connections may be used also by
laptops in the houses for browsing the internet
and also to access the DECS 2.0 system.
k
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p
o
Languages
l
q
j Private house
k Boiler house for biomass
l Modbus-TPC network (internet)
m Internet
n DECS 2.0 server
o DECS 2.0 client (external service provider)
p DESC 2.0 client (central administration)
q ECL Comfort 310 controller
The following languages are supported by the
graphical user interface of DECS 2.0:
• English
• German
• Italian
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