System for testing consistency of communication protocols of electric energy metering system
A technology of electric energy metering system and communication protocol, which is applied in the direction of transmission system, digital transmission system, electrical components, etc., can solve the problems that cannot completely eliminate protocol program errors and hidden bugs, cannot achieve standardization and process, and increase the difficulty of detection, etc. , to achieve the effect of improving test efficiency, avoiding errors and reducing work intensity
Inactive Publication Date: 2011-06-15
CENT CHINA GRID +1
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Problems solved by technology
At present, the testing of electric energy metering products is only product function verification and data accuracy testing, and the detection of communication protocol consistency generally adopts on-site joint debugging and temporary modification of communication programs to complete the protocol testing, and the testing cannot be standardized and streamlined. , which increases the difficulty of detection, and the detection efficiency is low. At the same time, it is impossible to completely eliminate the errors and hidden bugs of the protocol program.
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[0007] The present invention will be described in detail below in conjunction with the accompanying drawings.
[0008] At present, the electric energy metering system generally adopts the IEC 60870-5-102 (DL / T 719-2000) protocol, and this test system is suitable for the conformance test of the IEC60870-5-102 protocol.
[0009] Firstly, configure the communication parameters in the communication parameter configuration unit according to the test requirements. The communication parameter configuration unit includes a serial port communication parameter configuration subunit 11 and a network communication parameter configuration subunit 12 . If the system under test 5 supports serial port communication, then perform parameter configuration to the serial port communication parameter configuration subunit 11, such as serial port type (RS232 or RS485), link address (1-254), communication rate (300-115200bps) and checksum mode (odd parity, even parity or no parity), etc. If the syst...
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The invention discloses a system for testing the consistency of communication protocols of an electric energy metering system, comprising a communication parameter configuration unit, a command unit, a communication message unit and a test report unit. The parameter configuration unit is used for selecting a communication mode between a test system and a tested system, and sending a signal to the command unit, wherein the signal indicates whether the communication is successful; application layer commands and application processes of all standards in a DL / T 719-2000 criterion are preset in the command unit, and the command unit is used for sending command messages to the tested system; standard DL / T 719-2000 communication processes are preset in the communication message unit, and the communication message unit is used for comparing received message signals with preset standard signals, explaining and judging whether the received message signals meet the standards, and transmitting results to the test report unit; and the test report unit is used for automatically storing the received information transmitted by the communication message unit and providing a test report.
Description
technical field [0001] The invention relates to a test system for the consistency of the protocol of the electric energy metering system. Background technique [0002] In order to meet the requirements of the commercial operation of the power grid, major domestic power grid companies have built electric energy metering systems to measure the gateway metering points of each substation (factory) in the network. The electric energy metering system is an automatic system that collects, monitors, counts, and calculates electric power during electric power and electric power transactions in the power system. It is mainly composed of electric energy meters, electric energy metering terminals, metering master stations and communication subsystems; The data is collected, time-sharingly processed and stored, and the master station calls and transmits power metering data and other historical event information at regular intervals as the basis for power settlement. Therefore, the funct...
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IPC IPC(8): H04L12/26
Inventor 张胜王健贺春任春梅张冉
Owner CENT CHINA GRID