AC/DC-universal active switching quantity input detection apparatus

A general-purpose, active switching technology for AC and DC, applied in sequence/logic controller program control, electrical program control, etc., can solve the problems of high cost, complex structure, many components, etc., to facilitate implementation and improve economical Benefit, the effect that is conducive to the choice of use

Inactive Publication Date: 2014-09-03
SUZHOU MECELL ELECTRIC
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Problems solved by technology

[0004] The technical problem to be solved by the present invention is: in order to solve the problems in the prior art, in order to realize the detection of the DC or AC active switching value, the structure is complicated, the components are many, and the cost is high, the present invention provides an AC and DC universal Active switching value input detection device to solve the above problems

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  • AC/DC-universal active switching quantity input detection apparatus

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Embodiment Construction

[0016] The present invention is described in further detail now in conjunction with accompanying drawing. These drawings are all simplified schematic diagrams, which only illustrate the basic structure of the present invention in a schematic manner, so they only show the configurations related to the present invention.

[0017] Such as figure 1 As shown, the present invention provides 1. A general-purpose active switching value input detection device for AC and DC, including a shaping module, a microcontroller U1 and a communication module,

[0018] In the shaping module, multiple input terminals are respectively connected to an active switch, and multiple output terminals are respectively connected to multiple I / Os of the microcontroller U1, and are used as an input path for the active switch to the microcontroller U1;

[0019] Microcontroller U1, which judges and debounces the AC and DC states of the active switch and outputs them;

[0020] The communication module is conn...

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Abstract

The invention provides an AC / DC-universal active switching quantity input detection apparatus which comprises a shaping module, a microcontroller U1 and a communication module. The plurality of input ends of the shaping module are respectively connected with one active switching quantity, and the plurality of output ends are connected with a plurality of I / Os of the microcontroller U1 respectively to serve as input paths of the active switching quantities to the microcontroller U1. The microcontroller U1 is used for judging the AC / DC states of the active switching quantities and outputting the AC / DC. The AC / DC-universal active switching quantity input detection apparatus helps to simplify the product category and is beneficial for selection usage of a user; the switching quantity input shaping module is formed by low-cost components, thereby improving economic benefit; the product has the communication module, and the product can be accessed to an automatic system, thereby meeting the current market requirements; and AC or DC active switching quantity is accessed without distinction, so that for active switching quantity with different voltage classes, only resistance value needs changing, and convenient implement is achieved.

Description

technical field [0001] The invention relates to the technical field of active switch value input detection, in particular to an active switch value input detection device common to AC and DC. Background technique [0002] The switching value is a pair of contacts. There are two states between the pair of contacts, either connected or closed, or disconnected or disconnected. The information conveyed by this pair of contacts is a Switch. The switching value is divided into active or passive. When the active switching value is in the closed state, it will also provide a voltage drive. [0003] The switch value input is the connection channel between PLC and on-site detection elements (such as operation control buttons, travel switches, proximity switches, pressure relays, etc.) with switch value as the output form. It converts the relevant signals reflecting the production process into CPU unit. digital signals that can be received. In the industrial field, for various reaso...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G05B19/04
Inventor 张彦学朱林李芳陶培琪李明亮
Owner SUZHOU MECELL ELECTRIC
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