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Study on Electrical Automation with Design of Programmable Control Voltage/Current Source

机译:可编程控制电压/电流源设计的电气自动化研究

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摘要

The design of programmable control voltage/current source based on MCU C8051F410 is introduced. The system mainly consists of D/A converter with PWM, voltage/current conversion circuit and digital display circuit. It can provide with DC voltage within the ranges of 0 to 200mV, 0 to 2V, -10V to +10V; and provide with DC current within the range of 4 to 20 mA. The programmable control voltage/current source can be used as the standard signal source for thermodynamic instrumentation, especially for the adjusting and testing for ADC or precise litter signal amplifier in the field of electrical automation.
机译:介绍了基于MCU C8051F410的可编程控制电压/电流源的设计。该系统主要由具有PWM,电压/电流转换电路和数字显示电路的D / A转换器组成。它可以在0到200mV的范围内提供DC电压,0至2V,-10V至+ 10V;并提供4至20 mA范围内的直流电流。可编程控制电压/电流源可用作热力学仪器的标准信号源,特别是对于在电气自动化领域的ADC或精密垃圾信号放大器的调节和测试。

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