描述
产品概述
FOXBORO P0903ZN是一款现场总线隔离器，属于I/A系列分布式控制系统的核心组件，主要用于隔离现场总线与控制室设备之间的电气信号，保障系统可靠性和稳定性。其设计符合工业自动化领域的高标准需求，广泛应用于化工、电力、石油等行业的现场控制系统。
技术参数
电气性能
总线标准：支持RS485标准总线协议，兼容双总线输入功能。
工作电压：220V AC（参考部分参数）。
信号隔离：高精度、高稳定性隔离效果，抗干扰性能强。
物理特性
结构设计：三卡槽模块化设计，便于安装和维护。
尺寸与重量：未明确标注，但符合工业设备紧凑化标准。
环境适应性
工作温度：-40°C至+70°C（推测值，参考同类工业设备）。
防护等级：未明确标注，但符合工业级抗振动与防尘设计。
核心功能特点
信号隔离与稳定性
双总线输入：支持同时连接两条现场总线，实现信号冗余传输。
高性能处理器与隔离芯片：确保信号传输的高精度和稳定性，减少噪声干扰。
兼容性与扩展性
国际标准兼容：符合RS485总线标准，可无缝集成至主流自动化系统（如I/A Series）。
多卡槽设计：支持灵活扩展，适配不同规模的控制系统需求。
诊断与维护
实时诊断功能：提供故障检测与报警机制，便于快速定位问题。
便捷接线方式：标准化接口设计，简化安装和维护流程。
典型应用场景
化工行业
用于反应器、管道控制系统的信号隔离，保障工艺参数的精准传输。
电力系统
在发电厂、变电站中隔离高压设备与控制室信号，提升系统安全性。
石油与天然气
应用于油井监测、输油管道控制等场景，确保数据传输的可靠性。
Product Overview
FOXBORO P0903ZN is a fieldbus isolator,which is the core component of the I/A series distributed control system.It is mainly used to isolate the electrical signals between the fieldbus and the control room equipment,ensuring system reliability and stability.Its design meets the high standard needs of the industrial automation field and is widely used in on-site control systems in chemical,power,petroleum and other industries.
Technical parameters
Electrical performance
Bus standard:supports RS485 standard bus protocol and is compatible with dual bus input functions.
Operating voltage:220V AC(refer to some parameters).
Signal isolation:high-precision,high-stability isolation effect,strong anti-interference performance.
Physical characteristics
Structural design:The three-card slot modular design is easy to install and maintain.
Dimensions and weight:Not clearly marked,but complies with the standards for compactness of industrial equipment.
Environmental adaptability
Operating temperature:-40°C to+70°C(estimated value,refer to similar industrial equipment).
Protection level:Not clearly marked,but it complies with industrial-grade vibration and dustproof design.
Core functional features
Signal isolation and stability
Dual bus input:supports connecting two fieldbuses at the same time to realize redundant signal transmission.
High-performance processor and isolation chip:Ensure high accuracy and stability of signal transmission and reduce noise interference.
Compatibility and Extensibility
International Standard Compatibility:Complies with RS485 bus standards and seamlessly integrates into mainstream automation systems such as I/A Series.
Multi-card slot design:supports flexible expansion and adapts to the needs of control systems of different sizes.
Diagnosis and maintenance
Real-time diagnostic function:provides fault detection and alarm mechanisms to facilitate rapid problem positioning.
Convenient wiring method:standardized interface design,simplified installation and maintenance process.
Typical application scenarios
Chemical Industry
It is used for signal isolation of reactor and pipeline control systems to ensure the accurate transmission of process parameters.
Power system
Isolate high-voltage equipment and control room signals in power plants and substations to improve system safety.
Oil and gas
It is applied to oil well monitoring,oil pipeline control and other scenarios to ensure the reliability of data transmission.
