General control bus extension device

Abstract

The invention provides a general control bus extension device. The general control bus extension device is characterized by comprising a core control module, a general bus input circuit, a general bus output circuit and a power circuit, wherein the core control module provides a signal data processing service for the general bus input circuit and the general bus output circuit, and the general bus input circuit and the general bus output circuit provide data signal channels for the core control module. The core control module is composed of a CPU, a communication interface extension circuit and a signal buffer. A communication interface B of the CPU is used for directly conducting data processing on input bus signals through the signal buffer, and the CPU is used for conducting communication interface extension on the communication interface extension circuit through an interface C, interface allocation is conducted through the signal buffer, and therefore data are sent out. According to the general control bus extension device, the general bus input circuit, the general bus output circuit, the power circuit and the core control module are integrated, debugging is simple and construction is convenient.

Description

technical field [0001] The invention relates to a universal control bus extension device, which can control more field devices by extending the communication interface, thereby processing and transmitting data signals in real time, accurately controlling the field devices, shortening debugging time, reducing maintenance costs, Easy to operate. Background technique [0002] In recent years, with the rapid development of my country's economy and the rapid rise of the property market, the demand for intelligent building control products in industrial buildings has become stronger. However, there are many types of control buses in intelligent building control systems that are often used on the market, most of which use uncommon control buses, and cannot perfectly control large and complex on-site projects and the system is not stable enough, which brings difficulties to on-site commissioning, maintenance, and installation. A lot of inconvenience. [0003] For on-site control, ...

AI Technical Summary

Problems solved by technology

However, there are many types of control buses in intelligent building control systems that are often used on the market, most of which use uncommon control buses, and cannot perfectly control large and complex on-site projects and the system is not stable enough, which brings difficulties to on-site commissioning, maintenance, and installation. many inconveniences

[0003] For on-site control, controllers with uncommon buses are commonly used at present, which requires debuggers to be proficient in using various programming languages, interface configurations, and protocols of different bus controllers. On the other hand, the project site is becoming more and more Complicated and huge, it also makes debugging difficult and difficult to control, so many problems will inevitably arise during on-site construction

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