High-voltage inverter remote-monitoring system based on gateway technology and realization method thereof

A technology of remote monitoring system and high-voltage inverter, applied in the direction of program control and electrical program control in sequence/logic controllers, can solve the problems of reducing the anti-interference of communication systems, low cost performance, and increasing system costs, and achieves economical savings. Go to programming work, improve work efficiency, and system achieve simple effects

Inactive Publication Date: 2012-10-10
北京金自能源科技发展有限公司 +1
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AI Technical Summary

Problems solved by technology

At present, most manufacturers of high-voltage inverter products use the RS485 serial communication interface based on the MODBUS protocol. A MODBUS communication module can be installed in the PLC, but a matching hardware dog must be installed at the same time as the MODB

Method used

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  • High-voltage inverter remote-monitoring system based on gateway technology and realization method thereof
  • High-voltage inverter remote-monitoring system based on gateway technology and realization method thereof
  • High-voltage inverter remote-monitoring system based on gateway technology and realization method thereof

Examples

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Embodiment Construction

[0019] Taking Microhard Innovation PBMD485-K20 MODBUS-PROFIBUS serial gateway and Siemens PLC programming software (STEP7) as examples, the remote monitoring system and its implementation method of the present invention will be described in detail in conjunction with the accompanying drawings.

[0020] The invention provides a method for realizing a remote monitoring system of a high-voltage frequency converter based on gateway technology. In the realization method, a MODBUS-PROFIBUS serial gateway is used as a high-voltage frequency converter with a RS485 serial communication interface and a communication interface with a PROFIBUS-DP The protocol conversion equipment between PLCs enables the high-voltage inverter to be connected to the PROFIBUS-DP field bus network without any programming, and realizes the remote monitoring of the high-voltage inverter.

[0021] The configuration diagram of the remote monitoring system of the high-voltage frequency converter constructed by the...

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Abstract

The invention discloses a high-voltage inverter remote-monitoring system based on a gateway technology and a realization method thereof, belonging to the technical field of remote communication of a high-voltage frequency conversion system. In the remote-monitoring system, a MODBUS-PROFIBUS serial gateway is adopted as protocol conversion equipment between a high-voltage inverter with an RS485 serial communication interface and a PLC (Programmable Logic Controller) with a PROFIBUS-DP communication interface, so that the high-voltage inverter is not subjected to any programming to be accessed into a PROFIBUS-DP field bus network to realize the remote monitoring of the high-voltage inverter. After system hardware is constructed, only the MODBUS-PROFIBUS serial gateway is simply collocated in the PLC software programming environment, and the PLC can be like an I/O (Input/Output) module of a reader-writer to read and write data in the high-voltage inverter. The system realization is simple, many programming work about communication protocols is saved, and the working efficiency is improved. Moreover, the MODBUS-PROFIBUS serial gateway is installed in the high-voltage inverter, and the higher anti-interference performance of the communication line of the system is ensured.

Description

technical field [0001] The invention belongs to the technical field of remote communication of a high-voltage frequency conversion system, and in particular relates to a method for realizing a remote monitoring system of a high-voltage frequency converter based on gateway technology. Background technique [0002] After years of development and application of high-voltage frequency conversion speed regulation technology, its advantages in speed regulation performance, power saving effect, improvement of equipment operating conditions, improvement of system safety and reliability, equipment utilization rate, and extension of equipment service life have been obtained. Fully reflected, it has been widely used in electric power, metallurgy, petrochemical, water supply, cement, mining and other industries. With the improvement of industrial automation, on the basis of ensuring the reliable operation of the high-voltage inverter itself, many users require the establishment of a rem...

Claims

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Application Information

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IPC IPC(8): G05B19/05
Inventor 肖铁妹穆慧灵王勇刘松斌陈小磊
Owner 北京金自能源科技发展有限公司
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