Description

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　　GFD233A Other names:

GFD233A control unit

Output unit module GFD233A

Analog unit GFD233A

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　　Function Introduction

GFD233A excitation controller is an excitation regulator for self parallel excitation static rectification excitation systems, evolving from semiconductor discrete components to integrated solid components and from analog to digital. Domestic devices can be divided into three categories: semiconductor analog excitation regulators, microcomputer (including programmable controllers) digital excitation regulators, and hybrid microcomputer (including programmable controllers) analog excitation regulators. Domestic semiconductor excitation regulators have a record of export since the early 1970s. The development of microcomputer excitation regulators began in the late 1970s.

　　The GFD233A103 controller has the following characteristics:

Error control: The device controller also manages error detection of data transmitted by I/O devices. If an error is found during transmission, the error detection code is usually set and reported to the CPU, so the CPU invalidates the data transmitted this time and performs a new transmission. This ensures the accuracy of data input.

Data exchange: This refers to the exchange of data between CPUs and controllers, as well as between controllers and devices. For the former, data is written to or read from the controller in parallel by the CPU through the data bus; For the latter, it is the device that inputs data to the controller or transmits it from the controller to the device. Therefore, data registers must be set in the controller.

Receive and recognize commands: The CPU can send various different commands to the controller, and the device controller should be able to receive and recognize these commands.

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