YXC06B automatic meter reading system is the company many years of experience in the development of electric power automation equipment, comprehensive application of software engineering technology, microelectronic technology, computer technology, GPRS technology, the development of a automatic remote meter reading, anti-theft and load control features such as power management professional equipment, is to ensure the quality of supply, realize an important part of power management modernization, supporting the terminal product is also a power load management system, has extensive practical value in electric field.
Figure: in the user side at the entrance to the installation of YXC06B electricity management terminal, communication with the table through the wireless frequency modulation way, can realize remote centralized meter reading, load monitoring and control, metering equipment monitoring and anti-theft function.
Two, system characteristics
1, the hardware platform of high performance high speed 32 bit embedded processor module and a professional and high performance DSP based fusion, embedded real-time multi task RTOS operating system, provides the hardware and software environment, convenient, flexible and reliable for the system.
2, the use of advanced high speed and high precision A/D digital sampling technology, real-time high speed power calculation, especially in the operation condition of load fluctuation, harmonic content under high can still ensure sampling and measurement accuracy of electric energy, effective detection of power quality.
3, with configuration function, can be in the local / remote modifying device parameters, support online remote software upgrading local /, reflect the access meter work and communication state.
Wireless network communication way between the 4, and the main station data transmission and other support GSM/GPRS/SMS/CDMA.
5, with remote control, local control function, support the switch state input and metering box door open alarm.
6, access to tables and the tables of the pulse, and the other with communication interface meter.
Terminal 7, excellent EMC performance, can withstand the pressure spike, strong magnetic field, strong static electricity, lightning surge, wave interference, and has strong adaptive ability of temperature.
8, support for antenna integration, variable internal, external mode.
9, sealed, wall hanging type structure, compact size, easy to install.
10, when the wireless frequency modulation and sub meter communication, support composite relay function.
11, to solve the difficult problem of charge (with power function).
According to statistics, 12 to send data back to the power supply department, regulate the three-phase equilibrium, increase the transformer capacity load ratio.
13, timely and effective calculation of line loss rate. According to the figures can know the area of high loss rate, to enable the staff to check leakage and abnormal electricity and improve, strengthen the supervision of electric door.
14 of this area, can stick out a mile electricity situation, investment in the renovation of electric power equipment according to.
15, can 24 hours monitoring of power supply bureau concerned about the user, will have the feedback information, so that workers have a purpose to check. Timely and effective assessment of the quality of power supply, in order to improve the power supply.
In summary: this system according to the requirements of power supply management, with a power reading, with automatic electric monitoring, supervision, monitoring, quality of power supply for average power measurement, real-time voltage measurement and system functions.
Three, the main function
1, remote meter reading
Can be achieved on the user side of the measurement by electronic energy meter using FM communication way of reading, up to 16384 pieces of electric energy meter. Meter reading data including: reverse without the total reactive power and time-sharing electric energy, four quadrant without the total reactive power and time-sharing electric energy, demand, voltage, current, active power, no power, dynamic configuration. Support the transformation of pulse meter, meter reading data includes a wattless total and time-sharing electric energy.
2, the power monitoring and load control
The electric current, voltage, active power, reactive power, power factor, non power frequency, harmonic content by real-time user.
Provide status such as overvoltage, undervoltage, open phase, phase, overload, unbalanced currents, harmonic exceed the standard information.
To provide maximum demand and time of occurrence.
Support time interval control, temporary limit control, monthly consumption, purchased power control, remote control of direct control, with security function.
3, electricity inspection
Statistical voltage limits of time and voltage qualification rate.
Can find the faults such as electricity metering away, stop and go, the ultra poor, clock anomaly, the battery voltage information.
Can find the metering box door open event.
All events can record some parameters of the scene, for analysis and processing.
In 4, abnormal alarm information report
Support the active reporting and fixed-point measure
5, data storage
After the power failure, all data are automatically saved, storage capacity is 32MB, the preservation time of not less than 10 years.
After the power failure, the clock continues to travel time.
6, communication
The master station:
1) can be used in wireless GPRS/CDMA communication, without the need for networking, always online.
The optional 2) using optical fiber communication, reliable security, network systems, high-speed data transmission.
3) backup lithium battery power, support of not less than 3 times of communication.
On the local:
For electric energy meter using wireless FM communication mode, such as support for DL/T645-1997 meter statute, support pulse table transformation module communication protocol, for provides the text of the statute, to expand its communication function, can be downloaded online remote protocol.
Composite relay function, a four wireless FM communication mode
1, communication software:
1) report into the uplink and downlink packet, the maximum length of 64 bytes per frame message.
2) message type is divided into channel test message and communication messages.
3) communication mode adopts catechetical communication.
2, communication hardware features
1) each sub table has a composite relay function, for a fraction of the communication relay.
2) when the extended power range, do not need to add new relay communication unit.
3) FM digital communication mode, strong anti-interference ability.
4) according to the table their own communication network, and in which data exchange.
Five, technical indicators
1, input
Voltage: 57.7V/100V, 220/380V three-phase three wire and three-phase four wire
Current: 1.5A, 5A, 6A
2, accuracy
Current voltage: 0.5%
Power: 0.5% wattless power: 1%
Watt: 1 wattless power: 2
3, environmental conditions
Temperature: -30~+70 degrees C relative humidity: 0~85%
4, electromagnetic compatibility
Electrostatic discharge 8KV
Fast pulse 4KV (power) /2KV (loop)
The surge of 4KV (common mode) /2KV (differential)
5, safety performance
The impact of voltage: 6KV
Power frequency withstand voltage: 2KV
6, in the hardware interface:
RS485:1 road; Ethernet port: 1;
Remote control: 4; remote communication: 6;
GPRS/CDMA communication port: 1
7, display: LCD Chinese characters display
