490NRP25300 模拟量输入模块 提高了信号传输的稳定性和可靠性

490NRP25300 模拟量输入模块是一款将远程现场的模拟量信号采集至计算机的设备，其利用RS-485总线作为数据通信线路，提供模拟量转485功能，能够同时将模拟量输入至模块，并通过RS-485总线传输至计算机。由于采用RS-485接口作为通信接口，其能够多个模块组合传输更多路数模拟量信号，并且能够在485线路上分散配置，采用地址码进行区分，可以直接接入MODBUS RTU协议的组态软件。490NRP25300 模拟量输入模块的特点主要包括以下几点：支持标准Modbus RTU通讯协议，使得多个模块可以通过总线进行组合传输，提高了信号采集的效率和精度。支持电流或电压切换采集，内部跳线可切换采集模式，使得模块具有更高的灵活性和适应性。支持多种采集量程和各类组态软件对接，可以满足不同测量和控制系统的需求。具有4路模拟量输入和2路数字量输出转RS485的功能，提高了信号传输的稳定性和可靠性。

490NRP25300

支持宽电压DC5~35V供电，并采用导轨安装方式，使得安装和使用更加方便。电压采集范围包括0~5V、0~10V、0~30V，电流采集范围包括0~20mA、4~20mA，可以满足不同测量精度的需求。具有高精度、多通道、高速采样、抗干扰能力强等特点，可以实现对模拟信号的高精度采样和转换。工作温度和湿度范围较宽，可以在-40℃~85℃和20%RH~99%RH的环境下稳定工作。尺寸较小，方便集成到各种设备和系统中。在技术参数方面，490NRP25300 模拟量输入模块通常具有多种采集量程、各类组态软件对接等特点。其通信协议采用MODBUS RTU协议，与工业现场数据采集实现了统一对接，编程起来也很方便。总之，490NRP25300 模拟量输入模块是一种重要的工业自动化设备，可以大大提高测量和控制的精度和稳定性。如需更多信息，建议查阅工业自动化相关书籍或咨询专业工程师。

490NRP25300

The 490NRP25300 analog input module is a device that collects analog signals from remote sites to a computer. It uses the RS-485 bus as a data communication line and provides the function of converting analog signals to 485. It can simultaneously input analog signals to the module and transmit them to the computer through the RS-485 bus. Due to the use of RS-485 interface as the communication interface, it can combine multiple modules to transmit more analog signals, and can be dispersed and configured on the 485 line. It uses address codes for differentiation and can directly connect to the MODBUS RTU protocol configuration software. The characteristics of the 490NRP25300 analog input module mainly include the following: supporting the standard Modbus RTU communication protocol, allowing multiple modules to be combined and transmitted through the bus, improving the efficiency and accuracy of signal acquisition. Supports current or voltage switching for acquisition, with internal jumpers capable of switching acquisition modes, making the module more flexible and adaptable. Supporting multiple acquisition ranges and various configuration software docking, it can meet the needs of different measurement and control systems. It has the function of converting 4 analog inputs and 2 digital outputs to RS485, which improves the stability and reliability of signal transmission.

490NRP25300

Supports wide voltage DC5~35V power supply and adopts rail installation method, making installation and use more convenient. The voltage collection range includes 0-5V, 0-10V, 0-30V, and the current collection range includes 0-20mA and 4-20mA, which can meet the requirements of different measurement accuracy. Featuring high precision, multi-channel, high-speed sampling, and strong anti-interference ability, it can achieve high-precision sampling and conversion of analog signals. The working temperature and humidity range is wide, and it can work stably in environments ranging from -40 ℃ to 85 ℃ and 20% RH to 99% RH. Small in size, convenient for integration into various devices and systems. In terms of technical parameters, the 490NRP25300 analog input module usually has characteristics such as multiple acquisition ranges and various configuration software docking. Its communication protocol adopts MODBUS RTU protocol, which is unified with industrial field data collection and easy to program. In summary, the 490NRP25300 analog input module is an important industrial automation equipment that can greatly improve the accuracy and stability of measurement and control. For more information, it is recommended to consult books related to industrial automation or consult professional engineers.