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Group control system for multi-path start-stop control

A technology of start-stop control and group control, applied in electrical program control, comprehensive factory control, comprehensive factory control, etc., can solve the problems of high equipment failure rate and complicated operation process, and achieve the effect of saving time and convenient operation.

Active Publication Date: 2011-02-02
ZHEJIANG HUAZHANG TECH
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AI Technical Summary

Problems solved by technology

[0003] The present invention aims at the problems of high failure rate and complicated operation process of manual operation control single process equipment in the prior art, and provides a comprehensive group control for the entire production line, and at the same time introduces the concept of group start and interruption for group control of individual processes, so that Option to interrupt start instead of canceling start or issuing a stop command if a problem is encountered during group start control

Method used

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  • Group control system for multi-path start-stop control
  • Group control system for multi-path start-stop control
  • Group control system for multi-path start-stop control

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Embodiment 1

[0029] like figure 1 As shown, the group control system of multi-process start-stop control consists of the control core composed of the upper computer 1 that displays the group control status, configures the group control parameters, and the group control screen, and the lower computer 2 that executes the group control logic. Bus 2 collects status information of the controlled device and sends control commands to the controlled device. The group control screen is divided into a single process flow group control screen and a multi-process process group control screen, and the display screens are as follows: Figure 7 and Figure 8 As shown.

[0030] The upper computer 1 configures the values ​​of the parameters in the group start-stop module in the lower computer through the group control screen, the configuration screen is as follows Figure 7 and Figure 8 shown. The operator realizes the group start and stop control of a single process flow through the single process f...

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Abstract

The invention relates to a group control system, in particular to a group control system for multi-path start-stop control. A control core consists of an upper computer (1) for displaying the group control state, configuration group control parameters and group control picture and a lower computer (2) for executing group control logic, wherein the lower computer (2) collects state information of a controlled device and transmits control commands to the controlled device through a site bus (25) or a remote IO (Input Output) control module (21). By adopting the technical scheme, start and stop are realized between every two groups through a program interior chain start-stop interface and the whole production line can start and stop by one-key operation, thereby being convenient to operate, saving time and solving the problem that separate start-stop operation is needed in each process in the traditional start-stop control.

Description

technical field [0001] The invention relates to a group control system, in particular to a group control system suitable for the pulp and paper industry. Background technique [0002] With the continuous development of industrial automation, the process, scale and complexity involved in DCS (Distributed Control System, distributed control system) are constantly increasing. For the start and stop of equipment involved in the process, only rely on the operator through the upper It will be a very complicated operation for the machine to start and stop each device separately, and it will increase the probability of human error in the process of starting and stopping. In this background, the current process control has the application of group start and stop, but most of the group start and stop applications are aimed at the start and stop of equipment in a single process, such as the start and stop of the primary screening group in the pulp and paper industry. Start and stop co...

Claims

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Application Information

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IPC IPC(8): G05B19/418
CPCY02P90/02
Inventor 徐小伟李家华赵东明倪锋张庆华金皓陈海标
Owner ZHEJIANG HUAZHANG TECH
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