490NRP25400 SCHNEIDER 主要用于增强整个系统的抗干扰能力

中继器模块是用于连接两种不同设备的模块，490NRP25400主要用于增强整个系统的抗干扰能力，并扩展探测器总线通讯距离。它采用DC24V供电，总线信号输入与输出间电气隔离，完成了探测器总线的信号隔离传输。

中继器模块主要用于总线处在有比较强的电磁干扰的区域及总线长度超过1000m需要延长总线通讯距离的场合。490NRP25400的总线输入与总线输出间隔离电压≥1500V，工作环境温度范围为-10℃～+50℃，相对湿度≤95%，不结露，外形尺寸为85mm×128mm×56mm。

此外，中继器模块还具有多种技术指标，如静态工作电流≤20mA，可配接1～242点总线设备，兼容所有总线设备等。同时，它还具有带载能力及兼容性强的特点，可应用于多种领域，如电工电气、家用电器等。

总之，中继器模块是一种重要的电子设备模块，490NRP25400能够提高系统的抗干扰能力，扩展通讯距离，广泛应用于各种领域。在选择和使用中继器模块时，需要根据具体的应用需求和场景进行匹配和配置，以确保系统的正常运行和性能稳定。

The repeater module is a module used to connect two different devices, and the 490NRP25400 is mainly used to enhance the anti-interference ability of the whole system and extend the detector bus communication distance. It uses DC24V power supply, and the bus signal input and output are electrically isolated to complete the signal isolation transmission of the detector bus.

The repeater module is mainly used when the bus is in the area with relatively strong electromagnetic interference and the bus length exceeds 1000m and the bus communication distance needs to be extended. The isolation voltage between bus input and bus output of 490NRP25400 is ≥1500V, the operating temperature range is -10℃ ~ +50℃, the relative humidity is ≤95%, no condensation, and the overall size is 85mm×128mm×56mm.

In addition, the repeater module also has a variety of technical indicators, such as static working current ≤20mA, can be configured with 1 ~ 242 bus devices, compatible with all bus devices. At the same time, it also has the characteristics of carrying capacity and strong compatibility, and can be applied to a variety of fields, such as electrical and household appliances.

In short, the repeater module is an important electronic equipment module, 490NRP25400 can improve the anti-interference ability of the system, expand the communication distance, and is widely used in various fields. When selecting and using a repeater module, you need to match and configure the repeater module based on specific application requirements and scenarios to ensure normal running and stable performance of the system.