RS485 / Carrier Advanced Metering Infrastructure For Smart Electric Meter
An AMR/AMI solution is basically consisted of three layers: meter reading and control devices (mainly consisted of meters), communication devices and system/data management center.
System Introduction
- System manager and control multiple communication channels, centralized transcription of various terminals attached with Meter-Bus.
- Collect all users' information of Water, Electric, Gas, Heat; Implement the direct application of users' information management over water, electric, gas, heat etc.
- Communication Channel: GPRS/CDMA/GSM/SMS/LAN/PSTN for option
- Data Acquisition System/DAS:
- Centralized deployed master station system of medium data acquisition
Technical Norms
(1) Master System Network Resource
- Data Base Server: Operation of data base service program
- Application Server: Operation of calculating, alarming and other relevant application service programs
- Web Server: Operation of Web application service
- Communication Server Group: Operation of lead data collection service, load balancing according to data collection amount is available
- Application of Management Workstation:
- Web Server: Operation of web application program
- Satellite Clock: GPS satellite time resetting function
(2) Terminal Equipment:
- Data Concentrator:
- Communication with data concentrator via remote information channel
(3) Terminal Device Network:
- Meter-Bus Network: Various common meters (water, electric, gas, heat) attached with
- Meter-Bus communication function
- Zigbee Network: Various common meters (water, electric, gas, heat) attached with Zigbee communication function
Software System Function:
- Business Hall affair processing
- User's information management
- Meters' information management
- Real-time meter reading management
- Notes management
- Statistics analysis
- Customer service
About PLC (Carrier)
Power-line communication (PLC) is a communication protocol that uses electrical wiring to simultaneously carry both data, and Alternating Current (AC) electric power transmission or electric power distribution.
Power-line carrier communication can be used by utilities for advanced energy management techniques (such as OpenADR and OpenHAN),[15] fraud detection and network management,[16] automatic meter reading (AMR), advanced metering infrastructure, demand side management.[17] load control, and demand response.
In a two-way system, commands can be broadcast out from the master station to end devices (meters) – allowing for reconfiguration of the network, or to obtain readings, or to convey messages, etc. This type of broadcast allows the communication system to simultaneously reach many thousands of devices—all of which are known to have power, and have been previously identified as candidates for load shed. PLC also may be a component of a Smart Grid.
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