Intelligent self-diagnosis digital input terminal board and method

A digital input, intelligent diagnosis technology, applied in the direction of measuring devices, instruments, measuring electricity, etc., can solve the problems of real-time diagnosis and alarm that cannot be externally connected to the circuit, complicated circuits, and few channels, etc., to achieve easy mass production and application, The effect of simple circuit structure and good isolation

Active Publication Date: 2015-08-19
XIAN TPRI THERMAL CONTROL TECH
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  • Abstract
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  • Claims
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AI Technical Summary

Problems solved by technology

[0002] The traditional digital input terminal board of the distributed control system cannot perform real-time diagnosis and alarm for the on-off of the external access circuit, and requires manual intervention and measurement, and the cost is high, the circuit is complex, the channel is small, the isolation performance is poor, and it is easy to damage

Method used

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  • Intelligent self-diagnosis digital input terminal board and method
  • Intelligent self-diagnosis digital input terminal board and method
  • Intelligent self-diagnosis digital input terminal board and method

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Embodiment Construction

[0030] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0031] like figure 1 As shown, an intelligent self-diagnosis digital input terminal board of the present invention includes an external device input signal terminal XS1, a first input channel CM0 connected to the external device input signal terminal XS1, a first intelligent diagnostic module DM0, a first 2 input channels CM1, 2nd intelligent diagnostic module DM1, 3rd input channel CM2, 3rd intelligent diagnostic module DM2, and so on, 4th input channel CM3, 4th intelligent diagnostic module DM3,... , the 16th input channel CM15, the 16th intelligent diagnosis module DM15, the power module EM and the D-type socket XS2.

[0032]The first input channel CM0, the second input channel CM1 ... the sixteenth input channel CM15 are completely consistent; taking the first input channel CM0 as an example, as image 3 As shown, the +48V input...

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Abstract

The invention discloses an intelligent self-diagnosis digital input terminal board and a method. The terminal board comprises an external equipment input signal wiring terminal XS1, a power module EM, a D-type socket XS2, and a first input channel CM0, a first intelligent diagnosis module DM0, a second input channel CM1, a second intelligent diagnosis module DM 1, a third input channel CM2, a third intelligent diagnosis module DM2, a fourth input channel CM3, a fourth intelligent diagnosis module DM3, ..., one by one until a sixteenth input channel CM15 and a sixteenth intelligent diagnosis module DM15 which are connected with the external equipment input signal wiring terminal XS1. The invention also discloses a terminal board intelligent self-diagnosis method. The terminal board is simple in structure, employs sixteen mutually independent input channels, can carry out real-time diagnosis and alarm on on-off of a circuit connected with external equipment and has high safety and reliability.

Description

technical field [0001] The invention relates to the technical field of power plant control systems, in particular to an intelligent self-diagnosis digital input terminal board and a method thereof. Background technique [0002] The traditional digital input terminal board of the distributed control system cannot perform real-time diagnosis and alarm for the on-off of the external access circuit, requires manual intervention and measurement, and has high cost, complex circuit, few channels, poor isolation performance, and easy damage. On this basis, an intelligent self-diagnosis digital input terminal board and method are proposed. Contents of the invention [0003] In order to solve the problems existing in the above-mentioned prior art, the object of the present invention is to provide an intelligent self-diagnosis digital input terminal board and its method. Real-time diagnosis and alarm for the on and off of the external equipment circuit, with high safety and reliabil...

Claims

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Application Information

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IPC IPC(8): H03K19/0175G01R31/02
Inventor 杨新民李军曾卫东肖勇李晓博
Owner XIAN TPRI THERMAL CONTROL TECH
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