Programmable controller and operation method thereof

A programming controller and processor technology, applied in the direction of electrical program control, sequence/logic controller program control, etc., can solve the problems of low execution efficiency of programmable controllers, improve instruction execution efficiency, and solve execution efficiency not high effect

Inactive Publication Date: 2015-05-20
GENERAL ELECTRIC CO
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The method of sequentially executing each independent PLC function leads to low execution efficiency of the programmable controller

Method used

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  • Programmable controller and operation method thereof
  • Programmable controller and operation method thereof
  • Programmable controller and operation method thereof

Examples

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Embodiment Construction

[0020] Embodiments of the present disclosure generally relate to process control devices, and more particularly, to programmable controllers and methods of operating the same. Programmable controllers are designed to handle several different PLC functions in parallel. By introducing a dataflow computer architecture in a programmable controller, at least a portion of the functions of a plurality of PLCs can be executed substantially in parallel.

[0021] Unless otherwise defined, the technical terms or scientific terms used herein shall have the ordinary meanings understood by those skilled in the technical field to which the present invention belongs.

[0022] "First", "second" and similar words used in the patent application specification and claims of the present invention do not indicate any sequence, quantity or importance, but are only used to distinguish different components.

[0023] "A" or "one" and similar words do not indicate a limitation of number, but mean that t...

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Abstract

The invention discloses a programmable controller and an operation method thereof. The programmable controller comprises a logical operation processor and a function processor, wherein the logical operation processor is used for executing a logical operation instruction according to a data stream computer architecture; the function processor is used for communicating with the logical operation processor to exchange data and used for executing a function instruction based on the data stream computer architecture; and the function instruction and the logical operation instruction are respectively executed by the function processor and the logical operation processor in a basically parallel mode. By adoption of the programmable controller and the operation method thereof, the instructions based on the data stream computer architecture are executed, the technical problem of low execution efficiency caused by sequential execution of the instructions in the conventional programmable controller is solved, and a technical effect of improving instruction execution efficiency is achieved.

Description

technical field [0001] The present invention relates to a process control device, in particular to a programmable controller and a method for operating the programmable controller. Background technique [0002] Programmable controller or programmable logic controller (Programmable Controller or Programmable Logic Controller, PLC) has been widely used in logic control, sequence control, motion control, distributed system control and other process control occasions. As part of process control, programmable controllers can be used to detect input signals sensed by various input sensors. Input signals sensed through the input sensors can report events and conditions occurring in the process being controlled. For example, programmable controllers can detect input conditions such as temperature, pressure, motion speed, and flow. Generally speaking, the internal memory of the programmable controller stores a control program, and when the control program is executed, it can instru...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G05B19/05
Inventor 刘勇志尚卫华刘莉威廉·利肯巴克陶德·菲斯特
Owner GENERAL ELECTRIC CO
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