FOXBORO RH928AW是Foxboro I/A系列DCS系统中FBM224 PROFIBUS DP通讯模块专用配套端子组件，搭建现场总线设备与DCS背板模块之间的信号转接桥梁，具备电气隔离与线路防护能力。

FOXBORO RH928AW is a dedicated termination assembly for Foxboro FBM224 PROFIBUS DP communication module under I/A Series DCS, serving as signal transfer bridge between field bus devices and DCS backplane modules with galvanic isolation and circuit protection.

适配PROFIBUS DP总线信号接入，隔离抑制地环路干扰，导轨安装，自带状态指示灯，常用于化工、电厂老旧Foxboro DCS控制柜的备件替换。

It supports PROFIBUS DP bus signal access, isolates ground loop interference, DIN rail mounting with status LED, for spare replacement of old Foxboro DCS cabinets in chemical and power plants.

Main Specifications 技术参数

• 1. Product Series / 产品系列：FOXBORO I/A Series DCS Termination Assembly Series

• 2. Part Numbers / 型号编码：RH928AW

• 3. Function Type / 类型：PROFIBUS DP Field Termination Assembly 总线端子组件

• 4. Key Features / 特性：PROFIBUS DP interface, galvanic isolation, LED indicator, DIN rail mount

• 5. Compatibility / 配套：FBM224 communication module, I/A series DCS chassis, PROFIBUS slave devices

Core Functions 核心功能

• 1. PROFIBUS DP总线信号端子转接，方便现场总线仪表、变频器的接线施工。
  PROFIBUS DP signal termination for convenient wiring of field bus instruments and drives.

• 2. 通道电气隔离设计，阻断地环路，降低总线通讯噪声干扰。
  Galvanic isolation design to cut ground loops and reduce bus communication noise.

• 3. 板载状态LED指示灯，快速判断总线链路通断与故障位置。
  Onboard status LED for quick diagnosis of bus link and fault location.

• 4. 标准DIN导轨安装，适配Foxboro I/A系列控制柜柜体布局。
  Standard DIN rail mounting to fit cabinet layout of Foxboro I/A series system.

• 5. 配套FBM224冗余通讯架构，保障总线链路稳定可靠运行。
  Matches FBM224 redundant communication architecture to ensure stable bus operation.

Application Scenarios 应用场景

• 1. 石油化工、炼油装置Foxboro I/A DCS系统PROFIBUS总线回路。
  PROFIBUS bus loops for Foxboro I/A DCS in petrochemical and refinery plants.

• 2. 火力发电厂锅炉、汽机控制系统总线仪表信号转接。
  Bus instrument signal termination for boiler and turbine control systems in thermal power plants.

• 3. 造纸、水处理行业DCS控制柜内总线通讯配套接线单元。
  Bus wiring unit for DCS cabinets in paper making and water treatment industries.

• 4. 原有FBM224配套RH928AW端子板一对一备件更换与柜体改造。
  Direct spare replacement and cabinet retrofit for existing FBM224 RH928AW termination assemblies.

• 5. 海外流程工业EPC项目Foxboro DCS系统备件储备。
  Spare stock for Foxboro DCS systems in overseas process industry EPC projects.

FAQ 常见问答

Similar Models 相似型号

FBM224

RH926TJ

RH922RK

FBM223

FBM228