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Secondary control circuit switching state collecting device and method

A state acquisition and secondary control technology, applied in the electrical and information fields, can solve problems such as difficulty in analyzing faults and affecting secondary control loop control, and achieve the effects of convenient maintenance and redevelopment, low cost and high reliability

Inactive Publication Date: 2016-06-29
SHANDONG HEYUAN INTELLIGENT TECH CO LTD
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  • Summary
  • Abstract
  • Description
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Problems solved by technology

[0005] In view of the above problems, the purpose of the present invention is to provide a secondary control loop switch state acquisition device and its acquisition method, to solve the existing PLC acquisition secondary control loop switch state, when the PLC breaks down, affect the secondary control loop Control the entire system, and it is not easy to analyze the causes of failures and other issues

Method used

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  • Secondary control circuit switching state collecting device and method
  • Secondary control circuit switching state collecting device and method
  • Secondary control circuit switching state collecting device and method

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Embodiment Construction

[0027] In the following description, for purposes of explanation, numerous specific details are set forth in order to provide a thorough understanding of one or more embodiments. It may be evident, however, that these embodiments may be practiced without these specific details. In other instances, well-known structures and devices are shown in block diagram form in order to facilitate describing one or more embodiments.

[0028] In order to describe in detail the structure of the secondary control loop switch state acquisition device of the present invention, specific embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0029] figure 1 The structure of the secondary control loop switch state acquisition device according to the embodiment of the present invention is shown.

[0030] Such as figure 1 As shown, the secondary control loop switch state acquisition device of the embodiment of the present invention ...

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Abstract

The invention provides a secondary control circuit switching state collecting device and method.The device comprises a master control unit and a switching state collecting unit connected with the master control unit.The switching state collecting unit comprises a start switching state collecting module and a stop switching state collecting module, wherein the start switching state collecting module is used for collecting instantaneous current of a start circuit of a secondary control circuit under the control of the master control unit, and the stop switching state collecting module is used for collecting voltage of the two ends of a stop circuit of the secondary control circuit under the control of the master control unit.By means of the secondary control circuit switching state collecting device and method, the switching state of the secondary control circuit can be collected on the condition of not affecting the whole system of the secondary control circuit.

Description

technical field [0001] The present invention relates to the field of electrical and information technology, and more specifically, to a device for collecting the state of a start-stop switch of a secondary control loop and a method for collecting the state. Background technique [0002] The secondary control circuit mainly refers to the electrical circuit that is connected to each other by the secondary equipment to form an electrical circuit for monitoring, controlling, regulating and protecting the primary equipment, and is used to control, protect, regulate, measure and monitor the parameters and components in the primary circuit. Working conditions play a very important role in the production and application of electronic and electrical products. [0003] At present, most of the acquisition schemes for the switching status of the secondary control loop are realized by the PLC module. Since the PLC itself is a part of the secondary control loop, when the PLC fails, it wil...

Claims

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Application Information

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IPC IPC(8): G01R31/327
CPCG01R31/3277
Inventor 冯晓刚杨习习崔玉良
Owner SHANDONG HEYUAN INTELLIGENT TECH CO LTD
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