XPZ-02频率-电流转换器XPZ02
XPZ-02频率-电流转换器产品概述
XPZ-02频率-电流转换器是一款专为工业自动化场景设计的信号转换设备,能够将脉冲信号的频率成分线性转换为4~20mA的恒定电流输出。该产品采用专用转换芯片与隔离设计,通过运放和场效应管闭环组成V/I变换电路,同时对关键元件的电阻、电容进行严格筛选,确保了优异的恒流特性和0.2级的转换精度。典型应用场景包括与SZMB-5T磁电转速传感器配合构成核电站冷却泵等旋转设备的转速检测系统。其输入支持正弦波或矩形波信号,频率范围覆盖0~930Hz,输出负载电阻适应0~750Ω,工作环境温度0~70℃。129
Technical Introduction of XPZ-02 Frequency-to-Current Converter
The XPZ-02 is a precision signal conditioning device that linearly converts pulse frequency inputs into standardized 4~20mA current signals. Its core architecture integrates an isolation-enhanced conversion IC with a MOSFET-based V/I transformation circuit, achieving 0.2% linearity through rigorous component selection. The unit accepts sinusoidal or square wave inputs (0.2-20Vp-p) with 100KΩ impedance, delivering stable current output even under fluctuating loads. Typical industrial deployments involve rotational speed monitoring when paired with SZMB-5T magnetic sensors, particularly in thermal management systems for critical infrastructure. The compact design operates reliably within ambient temperatures of 0~70℃ without requiring auxiliary cooling.31215
核心技术与性能特点
该转换器采用模块化设计,内部集成隔离电路可有效抑制共模干扰,确保信号传输的稳定性。其频率响应特性经过优化处理,在满量程范围内非线性误差控制在±0.2%以内。产品特别注重长期运行可靠性,所有电子元件均经过老化测试,关键通道采用三重冗余设计。用户可通过外部电位器微调零点和满度,便于现场校准。铝制加固壳体提供IP20防护等级,适合控制柜导轨安装。81420
Application Advantages
In practical applications, the XPZ-02 demonstrates notable advantages in system integration. The galvanic isolation between input/output channels prevents ground loop interference, while the wide 180-260VAC power supply tolerance accommodates unstable grid conditions. Its plug-and-play design simplifies maintenance procedures, with front-accessible test points facilitating troubleshooting. The converter s compatibility with both two-wire and three-wire sensor configurations enhances deployment flexibility across diverse industrial measurement scenarios.4711
典型应用场景说明
该产品广泛应用于能源、冶金等领域的转速监测系统,特别适合长期连续运行的工况。例如在发电机组中,可将涡轮转速传感器的脉冲信号转换为标准电流信号,供DCS系统进行实时监控。在石油化工领域,常用于压缩机转速连锁保护系统,其快速响应特性(≤50ms)能及时触发安全机制。设备配套的防尘防潮设计也使其适用于矿山、水泥厂等恶劣环境。51013
XPZ-02频率-电流转换器
的详细介绍XPZ-02频率-电流转换器XPZ02
- 产品简介:
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XPZ-02频率-电流转换器能将脉冲信号 按频率成分线性地转换成4~20mA恒定电流。其内部采用了专用转换芯片,在输入输 出之间增加了隔离,用运放和场效应管闭环组成V/I变换,且对所使用的电阻、电容进 行了严格筛选,所以有很好的恒流特性,转换精度为0.2级。它与SZMB-5T磁电转速传 感器构成了核电站冷却泵转速检测装置。
- 参数与规格:
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输入信号:
波形:正弦波
幅值:0.2~20Vp-p
频率范围:0~930Hz
输入阻抗:≥100 KΩ
输出电流:DC 4~20mA
负载电阻:0~750Ω
供电电源:220V 50Hz
消耗功率:≤5VA
精 度:0.2级
环境温度:0~70℃
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