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This paper briefly introduces the power line carrier communication and field bus technology on LonWorks. The research on Application on LonWorks in temperature measurement system introduces how to use PL3120 to design a two temperature measuring system based on power line carrier communication of LonWorks from the aspect of software and hardware. The following key code of software has carried on the detailed notes.

The ability of acquiring and processing information in manufacturing influences agile of manufacturing system. According to the idea that networked field information processing is realized based on intelligent nodes of field-bus technology, distributed intelligent field information processing flow is researched to synthesize multiple functions such as information gathering, information processing, warning system and field control. The method of information represented and collected was put forward. The multilayer data fusion model of distributed intelligent field information processing is built. Then the distributed LonWorks fieldbus monitoring model (DLFMM) based on LonWorks fieldbus technology is established. A monitoring system of a rail vehicle automatic door factory is shown as an example to illustrate design strategy of monitoring system based on DLFMM. This monitoring system shows that the model of distributed intelligent field information processing, DLFMM and the extraction and representation of information flow discussed in this paper are reasonable and applicable.

According to energy-saving requirements of traffic lights at present, this paper proposes a green-lighting control system based on Lonworks, which adopts the control node based on host. The paper demonstrates the system structure, the circuit design of nodes. The design can automatically adjust the brightness of Street Lamp according to the weather changes and implement the temperature detection and the alarm of troubleshoot. The designed system can largely save the people resources and power resources, and can reduce light pollution. So it has a strong practical significance.

To improve the energy efficiency of central air-conditioning system, established a central air-conditioning control system based on fuzzy prediction control and LonWorks. Fuzzy prediction controller design consist of upper computer and lower computer. Upper computer fuzzy control program written in VB to achieve system main components of energy conservation, and used the "WebAccess" to monitor the air-conditioning system. Lower computer used the Neuron C language program to achieve energy-saving of air-conditioning terminal equipment and downloaded to the intelligent node of neuron chip to achieve energy-saving control. Finally, given the fuzzy control effect diagram.

The intelligent local controller integrates a Neuron processor core with a power line transceiver, making them ideal for the automatic meter reading system. Essentially a system-on-a-chip, the intelligent local controller features a highly reliable narrow-band power line transceiver, an 8-bit Neuron processor 3120 core for running applications and managing network communications, a choice of on-board or external memory, and an extremely small form factor all at a price that is compelling for even the most cost-sensitive consumer product applications.

A remote supervisory system of classroom lighting based on LonWorks fieldbus is presented, which controls the switch state of lights and the number of lights to turn on, achieving the purpose of energy saving. The administrator can remotely know the situation of each classroom, and be able to perform manually control. The experiment results show that the proposed supervisory system has the qualities of easy to implement, high reliability, and easy to expand.

How to integrate single equipment with LonWorks bus interface into s7-300 PLC control system is introduced. There are two different field buses, Profibus and LonWorks, in our process control system. It is difficult to directly converse the two protocols of thm. The paper put stress on describing the LonWorks /RS485 design and the realization of protocol conversion program design.

The paper introduce NEURON3150 neuron chip with serial digital to analog - analog-to-digital converter TLC5615/TLC2543 interface method.Focused on the the Lonworks front-end intelligent monitoring and control network node software, hardware,and design and develop a system solutions for indoor hazardous gases CO data acquisition monitoring and alarm functions based on TMPN3150 neural network MCU. The paper brief introduce the Field Bus Lonworks to control network technology and reality of remote monitoring system on the basis of Integrated control network and information network,and analysis structural characteristics of distributed intelligent monitoring network system ,with certain promotional value.

To improve the energy efficiency of central air-conditioning, established a central air-conditioning detection system based on Lonworks. Detection module design of both hardware and software, here focuses on the hardware design. Hardware circuit design using of Echelon's Lon control module. Finally, given the detection effect diagram and achieved good energy saving effect.

Focused on the Lon works front-end intelligent monitoring and control network node software, hardware, and design and develop a system solutions for indoor hazardous gases CO data acquisition monitoring and alarm functions. On this basis, Brief introduction to the Field Bus Lon works control network technology and reality of remote monitoring system on the basis of integrated control network and information network, and analysis structural characteristics of distributed intelligent monitoring network system, with certain promotional value.

In order to improve the lighting and temperature control in large public buildings, intelligent shading technology has been growing attention. This intelligent shading control system is based on the Lonworks bus. It uses various sensors to detect indoor and outdoor light intensity and temperature changes automatically, the system provides reasonable the curtain control program to change the height of the curtains and the blade angle, to regulate indoor lighting and air-conditioning, reducing building energy consumption in all aspects. Common TCP / IP protocol is used to achieve a seamless connection with the building automation system. It concerns with energy saving, low carbon, environmental protection, intelligence concept of modern building.

Fieldbus technology was one of the hottest development of today’s control area, It promoted fast development of modern enterprise network technology, brought new vitality and effectiveness to enterprises, therefore it had been widely used. The characteristics of Lons fieldbus technology were briefly introduced. The application of LonWorks technology in the field of intelligent illumination system was studied. The whole scheme of the intelligent illumination system and the hardware circuit for Lonworks intelligent node were designed and described in details. NodeBuilder software which was developed by Echelone company was used to design language for the LonWorks intelligent node. Through the LonWorks network communication, realized the functions of data transmission, memory and real-time monitoring, fast diagnosis and so on, it was an intelligent and highly effective system in automatic monitor. This intelligent illumination system achieved many functions, such as illumination auto adjusting, body detecting and remote monitoring. The system had better real-time performance and validity.

Contemporary building automation system (BAS) is realize automatization control and management system through to the modern advanced computer technology, communication technology and control technology, and other comprehensive utilization,which can realize the intelligent buildings all mechanical and electrical equipment and the energy equipment of the united network control connection, so as to achieve the whole building environment system of monitoring and management, to it’s best for people to create a comfortable safety, high efficiency and energy saving life environment. In this paper, there’s a deep discussions of the building automation system of composition, development and the present situation; and the key technology of the present situation and development prospects, and we set a plan based on the technology of building automation system LonWorks solutions, and expounds the concrete realization of key technologies of the system, based on the development of the host general much input/output intelligent node module.

This paper introduces how to develop and design multiple I/O nodes using the LonWorks field-bus technology, which is based on the mainframe (single chip microcomputer). It deals with the distribution of MIO nodes, the hardware design of TP/FT-10F master controlling module, the design of VCN-MIO platter and extending module(digital, analog), the trouble diagnose of nodes, and the anti-disturbance design. It has important utility value.

Management efficiency and intelligence of lighting system is enhanced by designing the reasonable lighting control network. Lighting energy-saving is also achieved. The energy shortage is relieved. Lighting control network is designed based on LonWorks. The whole design proposal of control network is provided. Control function is achieved by developing hardware and software of intelligent node. Connection problem of scatter intelligent nodes is solved by network installation. System running coordinately is ensured. There are problems about openness and expansibility of lighting system and equipment compatibility during the establishing process of lighting control network. The problems are effectively solved through the lighting control network. Management efficiency is enhanced. Lighting energy-saving is achieved LED combining with energy-saved lamp.

To make full and reasonable use of natural light in civil buildings has an important meaning to the construction of green buildings. This paper has designed an intelligent sunshading control system based on Lonworks fieldbus. Based on the analysis on the sunshading control needs of civil buildings, this paper has proposed a system framework based on Lonworks fieldbus, and has designed control nodes of intelligent curtains from the two aspects of hardware nodes and control software. At last, this paper has also designed the host computer monitoring software.

ZIGBEE and LONWORKS related technologies are the current research focus in the area of the communication, and it plays a great part in the development of the intelligent building. At the same time, how to collect the power parameter accurately is in urgent need in the intelligent building. We take the CC2430 of the TI Corporation as the host processor, the Neuron 3150 of the Echelon Corporation as the coprocessor to build the communication system, and use the ATT7022 chip to collect power parameters, so we can control and monitor the power through this communication system.

This paper presents a new application scheme of Broadband Power Line Communication (BPLC) in smart home. In this scheme the power line was chosen as “the last one meter connection”medium in order to reduce the length of the PLC link and improve the network property. In the newscheme, the power lines and PLC modem were used to construct the indoor Ethernet, and the home appliances were connected to this indoor LAN through the serial port/Ethernet network adapter as an Ethernet unit, then to access or control the home appliancesfrom the Internet through the home gateway, which is different from the common ones, is available. The new application scheme not only increases the management efficiency and reduce the cost of smart home, but also conquer the shortcomings of the traditional methods.

In this paper, a integrated control system based on the LonWorks fieldbus to the application of LED public lighting has developed. Advanced control strategy of lighting energy saving has realized in this integrated control system, in order to improve the effect of lighting energy saving and management level. The control network of LED lighting and the specific techniques of integrated control system are mainly focused, including data acquisition, development of lighting control node based on LonWorks, design of lighting control network, implementation of energy saving and management strategy, monitoring and data management of the lighting system. Finally, to verify energy saving effect of the control integrated system and its high efficiency, three campus’s roadway lighting of GuiLin university of electronic technology is taken as the simulated object.

This paper presents a method which uses LonWorks control system and frequency converter in Central Air-Condition chilled water variable flow system. In this system, the output of frequency converter can be altered by augmenter PID control rule which is used in control of invariable difference in temperature between water supply and backwater, and the rotating speed of water pump can be changed correspondingly, so when the user load is small ,the electric energy consume can be reduced. The effect of energy-saving was visible comparing with the conventional Air-Condition chilled water constant flow system.

LonWorks technology is a complete development platform used in monitoring network system. In order to improve the real-time of LonWorks node, its master processor AT89C2051 and slave processor MC143150 will realize data exchange each other in Slave A parallel mode. Data transfer mechanism using virtual token passing can solve the issue of master and slave processor seizing the data bus. FTT-10A transceiver featuring ESD protection can complete data communication on LonWorks twisted pair network. Experiments show that LonWorks node based on Slave A parallel mode communicating on twisted pairs has good communication and high real-time performance.

LonWorks technology is a complete development platform used in monitoring network system. In order to improve the real-time of LonWorks node, its master processor AT89C2051 and slave processor MC143150 will realize data exchange each other in Slave A parallel mode. Data transfer mechanism using virtual token passing can solve the issue of master and slave processor seizing the data bus. PLT-22 transceiver featuring a dual carrier and narrow band frequency can complete data communication on LonWorks power line network, the transceiver can overcome the drawbacks of noise sources, attenuation, distortion. Experiments show that LonWorks node achieving power communication based on Slave A parallel mode has good communication and high real-time performance.

This paper introduces a computer control network system which can control sintering process of four PTFE molding furnaces accurately. System in-out signals such as sintering temperature, on-off signals of dial motor and aeration motor were connected to Lonworks via net nodes, and network variables were used to construct a configuration and interlinkage between the net nodes. We chose a combined-control strategy in which On-off control or Fuzzy-control or Fuzzy-PID control strategy were selected automatically, so the needs to sintering time, cooling speed, steady-state precision etc were accurately achieved.