A general purpose input / output module and fault diagnostic method
By adopting a common circuit design and fault diagnosis method in the general input/output module, the problems of complex architecture and high cost are solved, and cost reduction and performance improvement are achieved.
CN119788081BActive Publication Date: 2026-05-01SUPCON TECH CO LTD
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Patent Information
- Application Number
- CN202411951595.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-27
- Publication Date
- 2026-05-01
- Estimated Expiration
- 2044-12-27
AI Technical Summary
Technical Problem
Traditional general-purpose input/output modules have complex architectures and circuits, resulting in high manufacturing costs. They also lack functional safety fault diagnosis and have poor performance.
Method used
It adopts a common circuit for analog input circuit, analog output circuit, digital input circuit and digital output circuit, reducing the number of components and simplifying the circuit. At the same time, it provides a fault diagnosis method, which is to detect faults through differential amplifier module and analog-to-digital converter.
Benefits of technology
It reduces the manufacturing cost of general-purpose input/output modules and improves module performance and troubleshooting efficiency through fault diagnosis methods.
✦ Generated by Eureka AI based on patent content.
Abstract
The application provides a general input and output module and a fault diagnosis method, which are applied to the technical field of safety instrument systems, and the general input and output module comprises an analog quantity input circuit, an analog quantity output circuit, a switching quantity input circuit, a switching quantity output circuit, a differential amplification module, a first analog-digital converter, a second analog-digital converter, a first control module and a second control module; wherein, the analog quantity input circuit, the analog quantity output circuit, the switching quantity input circuit and the switching quantity output circuit have a common general circuit, thereby, the number of devices of the general input and output module is reduced, the architecture complexity of the general input and output module is also reduced, and the manufacturing cost of the general input and output module is reduced; and the fault diagnosis method is used for diagnosing whether there is a fault in the general input and output module, troubleshooting the general input and output module in time, and improving the performance of the general input and output module.
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