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As automation is somewhat of a brand new technology in the main-stream market, one must be alert to the countless number of underlying technologies that connect and allow for the communication from a individual and the Light Dimming Systems or Air Conditioning Systems. These technologies may seem to lead to the same functionality, but in the back-end, they are different in potentially catastrophic ways on the surface. This leads us to your reason we began creating this article, that is, to shed light on the advantages and disadvantages associated with the technologies that are differentno matter product or vendor) which are for sale in the UAE market today.

Any automation system is composed of 2 components that are high-level the controller, as well as the modules. The modules include light dimmers, relay switches, thermostats, motorized curtain control systems, distributed speakers..etc. which are become managed by the property owner. The controller, is the heart of this system from which signals are delivered to "Dim the lights" or "turn regarding the air conditioning". The method of communication between your controller while the modules are the Automation Communication Technology which we desire to deal with in this essay. The strategy of communication can either be through cables or wireless and therefore are often in accordance with particular protocols or criteria of interaction. This article will explore and compare KNX, X10, Zigbee, En-Ocean, and Z-wave.

The criteria for contrast which we will explore are the following:

Reliability of Communication: exactly how dependable may be the communication involving the Controller and also the Modules? Each time a message is provided for a module, the operational system need to ensure the message's arrival and confirmation of receipt. Scoring well in this criteria is very important to ensure that also under circumstances of wired or wireless interference messages are resent until confirmed by the module that is receiving. Not totally all protocols conform to this requirement.
Security of Communication: The protocol must guarantee that the 3rd party cannot infiltrate a current system and operate it with unauthorized access. The outcomes of a hacker entering a parking large amount of a resort and turning all its lights off is disastrous.
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Zigbee

ZigBee is definitely an open cordless system interaction protocol in line with the IEEE specification IEEE 802.15.4, which allows the Controller to communicate with its Modules via Radio Frequency. The standard is a development of the ZigBee Alliance, that has been launched in the end of 2002. It's an industry alliance of more than 230 enterprises whom occupy the global growth of this technology. 1st ZigBee items came in the marketplace at first of 2005. Because Zigbee standardises just the reduced protocol layers (radio layer), the various manufacturers have defined their greater computer software layers. As a total result zigBee devices of various manufacturers aren't appropriate for each other.

Reliability of Correspondence: Yes. A cordless mesh network is developed and ensures multiple path routing to every module which translates to long reach, and high reliability in the event of interference as well as in case of in-path unit failure.
Protection of Communication: No. Zigbee uses weak hashing algorithms and contains been researched to be penetrable. Penetration isn't easy but software tools such as "Killerbee" exist and certainly will enable anyone with little Linux and scripting experience to hack into an existing Zigbee network.
Price: No
Features and Capabilities: Yes
Investment Protection: Yes
Interoperability: No