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4-20mA 电流环发射器

概览

描述

4-20mA 电流环路因其简单性和效率而成为许多行业传感器系统的主要标准。 它易于配置和连接,与其他信号类型相比,需要的布线和连接更少,这有助于降低整体的系统成本。 此外,它非常适合大型场所,因为电流在长距离内保持稳定,这与电压信号会降低。

这种电流环路发射器设计利用了精密数字功率监视器(DPM)、稳定的电源以及 16 位 MCU 的低功耗、丰富的模拟功能。

系统优势:

  • 模拟和超低功耗 MCU 针对探测器和传感器应用进行了优化。
  • 高电压、可调 VOUT、低静态电流线性稳压器,适用于“常开状态”的应用
  • 瑞萨的 NanoPower 电压基准具有 310nA 的典型低电源电压运行。

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4:3 ratio Sheet.1 Sheet.2 Sheet.3 Sheet.4 US199 US199 US199 Sensor with Analog Input Sensor with Analog Input Sensor with Analog Input Sensor Module with ADC Sensor Module with ADC Sensor Module with ADC Ground (earth) Sheet.22 Sheet.23 Sheet.24 Sheet.25 Sheet.115 Sheet.101 Sheet.102 Sheet.103 Sheet.104 Sheet.105 Sheet.106 Sheet.107 Sheet.108 Sheet.109 Sheet.110 Sheet.111 Sheet.112 Sheet.113 Sheet.114 Connector Arrow Connector Arrow.118 Connector Line Connector dotted line Connector Line.122 Connector double arrow Connector Line.124 Connector Line.125 Connector Line.126 Connector Line.127 Connector Line.128 Connector Line.129 Connector Line.130 Connector Line.131 Connector Line.132 Connector Line.134 Connector Line.135 Connector Line.137 Connector Line.138 Connector Line.139 Connector Line.140 Connector Line.141 Connector Line.142 Connector Line.143 Connector Line.144 Connector 1 Connector 1.146 Connector 1.147 Connector 1.148 Connector Line.150 Voltage Reference Voltage Reference Voltage Reference LDO LDO LDO Loop Input Protection Loop Input Protection Loop Input Protection Loop Power Loop Power Loop Power Op Amp Op Amp Op Amp RF Filter RF Filter RF Filter Resistor Resistor.20 Resistor.26 3.3V 3.3V 3.3V RL RL RL Up to 40V Up to 40V Up to 40V Total Resistance of Receiver and Transmission Line Total Resistance of Receiver and Transmission Line Total Resistance of Receiver and Transmission Line MCU MCU MCU MCU Op Amp/ADC Op Amp/ADC Op Amp/ADC I2C I2C I2C PWM PWM PWM
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