Advanced Metering Infrastructure (AMI) Solution AMI Solution Topscomm Advanced Metering Infrastructure (AMI) solution is an integrated solution of hardware and software, which consists of smart meters, intelligent terminals, communication networks, meter data collection system (MDCS), meter data management system (MDMS). Be available to realize bidirectional communication data collection and process, dynamic pricing, load control, anti-tampering, energy management, etc. System Architecture Main Functions I. Line Loss Management. Realize line loss calculation of each district, each voltage, each line, each transformer and each phase, and improve refined line loss management level. II. Comprehensive Inspection. Alert for power line, transformer and user of abnormal power consumption to make electricity inspector be targeted to investigate electricity larceny, and enhance success rate of anti-damper. IIl. Orderly Power Utilization. Provide administrator with accurate load data to realize scientific and orderly power utilization. IV. Power Utilization Inspection. Available to monitor power supply devices of key and high-risk users in real-time on-line. V. Billing Automation. With timely, integrated and accurate electricity collection function, available to realize the whole process automation of meter reading, accounting and billing. VI.Connection Abnormality Identification. Be available to automatically identify live and neutral line reverse connection of single phase meter and reverse phase sequence of three phase meter. Master Station (Topscomm AMI System) Topscomm AMI system is based on series of open standards and combined with own experiences in electric power industry, is developed on the basis of B/S framework. This system is composed of automatic meter reading, load control and power grid monitoring, meanwhile, combined with prepayment vending system to realize advanced metering management system for remote electricity presale. Topscomm AMI System Interface System Advantages I. Strong data process capability. This system is equipped with distributed framework design, available to disperse out communication, data collection and business process task to different servers, able to automatically distribute load, task process speed is fast; II. Flexible task schedule mechanism. Be available to flexibly configure collection task, collect data by automatic timing or manual real-time; III. Rich report forms show. Support flexible query criteria to show the report friendly, support convenient export functions; IV. Compatible with various open communication protocols. Support IEC62056, DLMS/COSEM protocols. V. Perfect Safety and Confidentiality Measure. With multilevel and fine-grained rights management function, system database, application software and communication control are equipped with strict rights management, to distribute different rights to different workers according to different job responsibilities.

Topscomm Water/Gas/Heat & Electricity Meter AMR/AMI Solution mainly consists of meters (water/gas/heat/electricity meters), signal converter, data concentrator, data transmission channel and master station system. The solution founds the mathematical models through data acquisition, data transmission and data analysis, and finally to realize water/heat/gas/electricity meters data reading and monitoring, to enhance the user’s energy management, to alarm & settle abnormal energy using situations, to improve energy using security and equipment protection etc. Topscomm Water/Gas/Heat & Electricity Meter AMR/AMI Solution is applicable to broad applications such as energy companies, commercial units, residential communities etc. The solution is featured with time-saving, labor-less, high accuracy and efficiency, is effectively in reducing meter reading error, reducing energy loss and energy theft, is one of the most effective way in "reduce labor, increase efficiency" energy business. 1.Design principles A propagable Water/Gas/Heat & Electricity Meter AMR/AMI Solution shall be equipped with following features: Low cost: Make full use the existed terminals and communication channel of electricity, reduce invest cost; No negative effects: Shall not have negative influence on electricity meter reading; High adaptability: Adapt to different communication channels and meters, convenient to be upgraded, with high successful meter reading rate; Less construction: Less construction and less maintenance. 2.System architecture 3.Key communication technologies 3.1 Advantages for M-BUS and RF communication M-BUS communication Hierarchical communication system (controlled  by the Host) it consists of Host, Slave and two connecting cable A.Simple cabling: with only two communication cable,  no special cabling requirementsB.Bus  powered:  power supplied by communication cable, is suitable to water/gas/ heat meters without  own     power supplyC.Stable communication: with high anti-interference ability, is cable to ensure successful communication rate RF communication Frequency band: 470MHz~510MHz (as per the actual conditions), ad-hoc networking function A.No cabling need, convenient for constructionB.Need external power supply or backup battery for water/gas/heat metersC.Communication maybe effected by the operating environmentD.The water/gas/heat meters manufacturer are required to  adopt the same networking protocol and frequency band 4.Proposals for projects implementation 4.1 Proposals for new construction projects: such as new planning buildings, residential community, industrial areas etc. 4.2 Proposals reform projects 5. Construction scheme for Topscomm Water/Gas/Heat & Electricity Meter AMR/AMI Solution