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System for transforming TRT excitation field control into remote monitoring

A technology of on-site control and remote monitoring, applied in the field of TRT remote control, can solve problems such as inability to adapt to industrial control concepts, inability to realize remote centralized control, and inability to support 485 communication, so as to improve defects, enhance protection levels, and alleviate dangers. Effect

Pending Publication Date: 2021-09-03
WUHAN IRON & STEEL GRP ECHENG IRON & STEEL CO LTD
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  • Abstract
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  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Echeng Iron and Steel Co., Ltd. has two blast furnaces, and the TRT device was matched during the construction. Because the TRT excitation control cabinet designed at that time was an independent complete set of equipment, the TRT control system used a set of Schneider Quantum series of large-scale PLCs. The original design did not It supports 485 communication and only has the function of on-site manual control. It cannot adapt to the advanced industrial control concept at this stage, and cannot achieve the goal of remote centralized control and all personnel evacuated from 3D harmful positions.

Method used

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  • System for transforming TRT excitation field control into remote monitoring
  • System for transforming TRT excitation field control into remote monitoring
  • System for transforming TRT excitation field control into remote monitoring

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Experimental program
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Embodiment Construction

[0018] see Figure 1-6 , this embodiment includes the original on-site PLC control cabinet 3 and the excitation controller 1, and a set of remote PLC centralized control cabinet 2 is added on the basis of the original control system, which has RS485 communication function and supports Modbus-RTU communication protocol. It also supports TCP / IP communication protocol. On the one hand, it is connected to the excitation controller through the RS485 port to obtain all the data and parameters of the excitation; on the other hand, it is connected to the same data switch with the on-site PLC control cabinet 3 of TRT through the RJ-45 port , in the same network segment on the hardware layer and the application layer, so as to have the basis for mutual communication. The PLCs on site are all selected from Schneider PLC. In order to ensure compatibility, the PLC in the remote PLC centralized control cabinet 2 is selected from Schneider TM200CE24U.

[0019] The remote PLC centralized con...

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Abstract

The invention relates to a system for transforming TRT excitation field control into remote monitoring, and the system comprises an excitation controller and a field PLC control cabinet, and further comprises a photoelectric switch sending end and a photoelectric switch receiving end; the photoelectric switch receiving end is connected to a remote HMI man-machine interaction terminal, and the excitation controller is connected with a remote PLC centralized control cabinet; the remote PLC centralized control cabinet is connected to the transmitting end of the photoelectric switch, RS485 standard communication is adopted between the remote PLC centralized control cabinet and the excitation controller, the remote PLC centralized control cabinet and the field PLC control cabinet are connected with the transmitting end of the photoelectric switch through data lines, and the remote PLC centralized control cabinet is powered by a UPS. Through the transformation of TRT excitation remote centralized control, the danger that personnel are in a 3D post is relieved, and the requirement of remote centralized operation is met.

Description

technical field [0001] The invention relates to the technical field of TRT remote control, in particular to a system for transforming TRT excitation field control into remote monitoring. Background technique [0002] Echeng Iron and Steel Co., Ltd. has two blast furnaces, and the TRT device was matched during the construction. Because the TRT excitation control cabinet designed at that time was an independent complete set of equipment, the TRT control system used a set of Schneider Quantum series of large-scale PLC. The original design did not It supports 485 communication and only has the function of on-site manual control, which cannot adapt to the advanced industrial control concept at the present stage, and cannot realize the goal of remote centralized control and uniform evacuation of personnel from 3D harmful positions. Contents of the invention [0003] The purpose of the present invention is to solve the above-mentioned problem that the TRT excitation control syste...

Claims

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Application Information

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IPC IPC(8): G05B19/05
CPCG05B19/054G05B2219/1108
Inventor 张志刚卢世平黄飞张靖伟李道智陈昌武陈小军杨超夏俊民余俊
Owner WUHAN IRON & STEEL GRP ECHENG IRON & STEEL CO LTD
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