Econair An advanced energy saving technology
Overview The Econair is an intelligent Home Automation system, introducing into market a high level for energy saving, with expandable features of security and health care services for residential, commercial and hotels as a way of life style. The system involves unique combination of smart elog multifunction devices acting in addition as intelligent nodes in a two way powerline mesh network for data routing resulting for best communication coverage performance. communication technology with a multi functional acting as a smart end device which is configured via an concentrator terminal the DCT-11 a gateway for up to 1024 elog devices for a full network, or by a central PC computer interfacing with the network by an external powerline modem for internal customer control. The concentrator can be remote monitor using the GSM/GPRS or the Internet global links. elog controll Electricity meters GSM/GPRS Powerline Comm. PLC Central computer Chiller Appliances Light dimming GSM/GPRS Power junction MV/LV Transformer The Econair Architecture DCT11- PLC/GSM concentrator gateway Power cables L.V. 115/ 230V
Technology overview The key of the system is the two way powerline communication technology for wiring reduction, based on a spread spectrum DSP (Digital Signal Processing) hardware, with an intelligent dynamic mesh networking solution by involving the elog devices as smart repeaters for data relaying, which is featuring an excellence coverage performance. The mesh networking is a multi master collision detection CSMA/CA home bus oriented protocol meeting the CENELEC 50065-1/2 standard for band and immunity interference. DCT coordinator elog router elog end device Mesh link Star link Mesh networking topology The system is based on a elog mini PLC (Programmable Logic Control) multi functional smart device with a built in powerline modem, which is remotely configured acting as a air conditioning and heating thermostat, chillers controller, light dimming and appliances control device and an interface unit with sub metering for energy reading and analysis. The device is able to interface with other device interfacing by an RS232 or RS485 port as a transparency protocol powerline modem. Cooling and heating for a central unit is controlled to a pleasant human temperature level eliminating irregular settings mistakes in conventional thermostats.
Temperature level is automatically compensated to different levels on day or night hours or according to a multi tariff structure scenario. For example at high tariff rates, lowest cooling temperature is limited to a pleasant window knowing that every 1 C of higher temperature level brings a 5% of energy saving. Light controlling depends on sensing occupancy infrared or ultrasonic sensors, cutting off lights for unused areas or dimming locations for time periods and priorities in hotels. The elog device is interfacing to any solid state meter with pulse outlet for delivering energy consumption reading and analysis reports according to multi tariff structure for optimization planning. The system supported a password level protection of mode and parameters changes by unauthorized users. The central applicable run time package runs under WINDOWS environment with user friendly driving menus. Software facility is based on four main models: configuration editor and remote download, reading and on-line control execution, data base analysis, backup and export files and on line system test fault status for maintenance procedures.
Highlights Advance energy saving as a way of style life with expandable features as security and health care for residential, hotels and commercial System based on a two way Spread Spectrum (SS) powerline communication technology for reduction of wiring installation, creating an internal home bus to communicate between central operator terminal DCT-11unit with elog end device controllers An intelligent dynamic mesh networking solution for best coverage performance A multi functional modular mini PLC(Programmable Logic Control) elog device for controlling air conditioning and heating, chillers, light dimming, appliances, interfacing with sub metering for total energy reading and analysis Modular configuration definitions for expandable controlling applications and features according to a smart controlling logic table Remote upload for elog device from central server via DCT11 concentrator. with logic state operation mode. Reading power meters for delivery consumption analysis and planning optimization saving and consumption behavior Interfacing with any kind of other thermostat devices via a standard RS232 serial port to act as a transparency powerline modem
System performance PLC communication complies with the CENELEC EN600651/2 Std. Universal power usage 115/230V 50/60Hz, up to 3 phase connection for the HC-4 unit and a single phase supply for any end device PLC communication: Two way spread spectrum direct sequence with a dynamic baud rate of 2.5-7.5 Kbps An intelligent mesh networking solution by using any end devices as dynamic repeaters for data relaying High dynamic range 130 dbi A CSMA/CA DLL layer using the collision detection protocol as a multi master network Compliance to CENELEC EN 50065-1/2 Std. for band and immunity interference Efficiency HVAC management by temperature limitation according to tariff structure, occupancy, or night hours and sensing logged filters by using air flow sensors. Modular tariff structure based on 4 types of rates, seasons and days with up to 8 split periods per day Secured operation from changes of configuration and parameters by password level Analysis of energy saving according to period by reading power meters