显示标签为“wireless data transmission”的博文。显示所有博文
显示标签为“wireless data transmission”的博文。显示所有博文

2014年9月15日星期一

Australia Gas Monitoring Solution based on Four-Faith F8914 ZigBee wireless data transmission

As some of the world energy giant gas exploration activities in waters off Australia, a series of natural gas fields have been found,Not only to making Australia's natural gas reserves increase quickly, but also greatly promoted the natural gas production, exports and investment in Australia,In recent years,Australia's natural gas consumption increase and the city gas is the most important part. In order to ensure the gas supply pipe network security, stable and economic operation, improve the efficiency of gas management, modernization of gas network management level, the gas transmission remote monitoring system for gas network centralized monitoring and quantitative management is the current development trend.
Four-Faith’s customer, Austria system integrator, has finished the remote gas monitoring system of high automation, and wide cover range.This Austria customer use 200pcs Four-Faith F8914 ZigBee wireless data transmission and work together with Four-Faith to finish this system. Via the monitoring terminal, ZigBee network, or GPRS network,Many LPG stations, dispatch station and the measuring point can be measured and monitored remotely.Monitoring and control system for actual situation, have many innovations on its practicability, reliability, technology, economy and so on.
Network:
Gas Monitoring System consist of center station and monitoring station, in charge of monitoring and managing. The monitoring station use the module developed by customer fro data collection, save and control. All kind of monitoring data(Pressure, flow, environment) is transfer via the rs232 of F8914 to the coordinator F8114, and then be sent to the monitoring center via gprs network to realize data monitoring and communication.
Using wireless communication,cost less for gas company. On the other hand, due to the small size of wireless terminal F8914 ZigBee Terminal, it can be moved freely. When the gas station is moved, the terminal can be moved also.
Application Image :
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Four-Faith F8914 ZigBee Wireless Terminal Used in the Sensors.

2014年4月17日星期四

Ship AIS wireless data transmission application case

1.Summary
Automatic Identification System(AIS) is a new navigational aids . AIS is precisely the basic functions of the boat and his boat ship's position , heading , speed ( vector lines ) , steering speed, and distance from the nearest ship encounter and dynamic information such as name, call sign , ship captain and Breadth and other static information via VHF automatic , regular broadcast in the VHF coverage (20 nautical miles) AIS equipped vessels device automatically receive these messages. The time interval between two pieces of information will be automatically increases its velocity reduced if motorized sailing vessels are doing , the information gap is further reduced. For example , when the ship stay in port or at intervals of a few minutes when the message anchor the ship at high speeds , the information interval of two seconds.
For this characteristic , AIS will provide an effective ship collision avoidance measures and greatly enhanced radar functions. Moreover, due to the installation of AIS navigation information for ships are in the " air " spread , so the local VTS stations can be received. To deal with AIS information , VTS only with AIS base station , the operator need not check the ship one by one , you can get all the use of AIS AIS equipped vessels full of traffic dynamics. Since AIS completely independent of the radar , that is, the AIS -based VTS need to install radar , therefore , AIS technology VTS operations on long-term effects , the effect is immeasurable.
2 .Networking diagram of the system
Ship AIS wireless Networking
After the device receives AIS AIS equipment to respond to the other over the data , via RS485 interface to connect a router (F3X34 Industrial Router) the console port , through the operation of the network to ship information back to the monitoring center , monitoring center software parse the data , to know the specific information on the ship.
3.Field Applications
The practical application of the project is to sail with Xiamen Hong fa Star Technology Co., Ltd. products supporting the use of boats