YOKOGAWA横河PW481-50励磁控制器是一款在工业控制领域具有广泛应用的产品，以下是对该产品的详细介绍：

一、产品概述

YOKOGAWA横河PW481-50励磁控制器是横河电机（YOKOGAWA）生产的一款DCS（分布式控制系统）系统模块，主要用于控制和管理励磁系统，确保发电机或其他电力设备的稳定运行。该产品凭借其高可靠性、高精度和易于集成的特点，在电力、能源、化工等领域得到了广泛应用。

二、主要特点

高精度控制：采用先进的控制算法和高速处理器，实现高精度的励磁控制，确保发电机输出电压和电流的稳定。

高可靠性：选用优质材料和先进制造工艺，经过严格的质量控制和测试，确保设备在恶劣的工业环境中能够稳定运行。

易于集成：提供丰富的通信接口和协议支持，方便与其他自动化设备进行集成和通信，降低系统集成难度。

多种保护功能：内置多种安全保护机制，如过载保护、过流保护、过热保护等，确保设备在异常情况下能够安全停机，保护设备和人员安全。

三、技术参数

型号：PW481-50

品牌：YOKOGAWA横河

适用范围：工业控制领域，特别是电力、能源、化工等行业

电压：根据具体配置而定，一般为24V

电流：支持较宽的电流范围，如100-400A

重量：约2KG

产地：可能因生产批次不同而有所差异，有资料显示产地为瑞士（

YOKOGAWA PW481-50 Excitation controller is a product with a wide range of applications in the field of industrial control, the following is a detailed description of the product:

I. Product overview

YOKOGAWA PW481-50 Excitation controller is a distributed control system (DCS) system module produced by YOKOGAWA Electric, which is mainly used to control and manage the excitation system to ensure the stable operation of generators or other electrical equipment. With its high reliability, high precision and easy integration, the product has been widely used in power, energy, chemical and other fields.

Two, the main characteristics

High-precision control: Advanced control algorithm and high-speed processor are used to achieve high-precision excitation control to ensure the stability of generator output voltage and current.

High reliability: The selection of high-quality materials and advanced manufacturing processes, through strict quality control and testing, to ensure that the equipment can operate stably in harsh industrial environments.

Easy integration: Provides rich communication interface and protocol support to facilitate integration and communication with other automation equipment, reducing the difficulty of system integration.

A variety of protection functions: built-in a variety of safety protection mechanisms, such as overload protection, overcurrent protection, overheat protection, etc., to ensure that the equipment can be safely shut down in abnormal circumstances, to protect the safety of equipment and personnel.

3. Technical parameters

Model: PW481-50

Brand: YOKOGAWA Yokogawa

Scope of application: Industrial control field, especially power, energy, chemical and other industries

Voltage: Depending on the specific configuration, generally 24V

Current: Supports a wide current range, such as 100-400A

Weight: about 2KG

Origin: May vary depending on the production batch, some information shows that the origin is Switzerland (