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Overview
The Sphere Systems WebXL represents the next generation in DDC
control technology. It uses the current technologies of modern
electronics, the internet and XML protocols to deliver true
state-of-the-art performance with power of operation, simplicity
of use, low cost, ease of installation and low maintenance.
Unlike
BACnet and LONworks systems, which require complex protocols
in order to configure and operate a system, the WebXL system
follows the well-proven software concept of encapsulation. All
functionality is contained in the WebXL controller. The controller
is configured using a web interface and does not require frontend
software of any sort.
Controllers
are connected to the standard Ethernet network which is already
present in most buildings. Communication between controllers
uses XML protocol messages.
Simplicity
of system design is an important consideration and as the WebXL
controller contains a large variety of inbuilt functions it
is very versatile. The majority of a complete building DDC system
can be configured using just two units, the WebXL controller
and WebXL I/O modules. As the I/O modules can be located a considerable
distance from the controller module, wiring costs can be minimised
by locating I/O modules adjacent to the plant they control.
Ease
of use of the WebXL system is further enhanced by not requiring
the use of a programming language. The system is configured
using functional blocks and drag and drop techniques.
WebXL
is Australian designed and manufactured. It represents the latest
in internet based plant automation systems offering low cost,
operational simplicity, power and system reliability.
Features
and Benefits
•
"All in the box" leads to true interoperability between
controllers.
• Uses a standard browser with no installed software on
client's computer.
• No need to purchase or maintain software.
• Uses standard UTP cabling resulting in a low installation
cost.
• XML protocols allow a low cost growth path to incorporate
advanced features.
• High point count leads to low network traffic.
• Extensive inbuilt control algorithms allow the building
to function even if the network fails.
• Very powerful yet very simple to learn to use.
• Graphic and table driven with no programming language.
• Extensive on-board logging.
General
Configuration
• Fully web based with no software to install.
• Requires browsers which accept JavaScript and Java languages.
• Uses XML protocols for inter-device communications.
• Includes uploadable graphic backgrounds and animations.
• Can address up to 4 I/O Modules.
• Each I/O module has 8 each analogue inputs and outputs
and binary inputs and outputs.
• Object orientated system with no programming language.
• Uses digest authentication for security with web logon.
Inbuilt Functions
Logic Functions - 8 inputs with an AND/OR configuration, allowing
the user to operate fan, chiller and pump control.
Delay Functions - Provides a variety of delays that allow the
user to protect their equipment.
Continuous Loops - Provides for proportional control using integral
gain.
Discrete Loops - Provides switching of binary points depending
on analogue values.
Arithmetic functions -Provides a variety of calculations such
as maximum, minimum, average, multiply, divide slope conversion
and enthalpy.
Lead/Lag functions - Allows for cyclic rotation of outputs.
Time schedules - Allows for setting up times of operations.
Holiday schedules -Allows definitions of holidays as either
a date or a range of dates.
Messaging -Allows sending or receiving of data from another
controller, and has the ability to broadcast.
Alarms (Events) -Notification by email to a single person or
a group of people.
Dynamic Drawings -Provides graphic screens for controlling the
system.
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