描述
FOXBORO FBM42产品详情
一、基本信息
品牌：FOXBORO（福克斯波罗，现属施耐德电气旗下，专注于工业自动化、过程控制及DCS系统，尤其在能源、化工、石油天然气等领域享有盛誉）
型号：FBM42
类型：现场总线模块（Fieldbus Module），属于FOXBORO I/A Series（I/A系统）DCS的输入/输出（I/O）组件。
用途：作为DCS系统与现场设备（如传感器、执行器）之间的接口，实现模拟信号、数字信号的采集与控制，广泛应用于连续过程控制（如化工、炼油、电力）和离散制造（如包装、机械）。
二、技术规格
1.模块功能与通道
输入/输出类型：
FBM42为模拟输入模块（AI），支持8通道单端或4通道差分输入（通过跳线或配置选择）。
支持信号类型：热电偶（TC）、热电阻（RTD）、毫伏（mV）、电压（0~5V、1~5V等）、电流（0~20mA、4~20mA）。
通道隔离：
通道间隔离电压≥500VAC，模块间隔离电压≥1500VAC（有效防止信号干扰与地电位差问题）。
2.精度与性能
测量精度：
电压/电流输入：±0.05%（典型值），温度输入（RTD/TC）：±0.1℃（高精度设计，满足工业测量需求）。
分辨率：16位ADC（模拟输入），确保微小信号变化可被准确捕捉。
响应时间：≤100ms（典型值），支持快速过程控制。
3.信号处理与诊断
冷端补偿（CJC）：内置热电偶冷端补偿功能，自动修正环境温度对测量的影响。
断线检测：支持输入信号断线检测（如热电偶开路、电流信号低于阈值），触发报警并输出至DCS系统。
自诊断功能：模块内部实时监测硬件状态（如电源、通道故障），通过LED指示灯或DCS系统报警。
4.电源与通信
电源要求：
模块供电：24VDC（±10%），功耗≤5W（低功耗设计，减少发热）。
通信接口：
通过I/A Series的现场总线（如ControlNet、Foundation Fieldbus）与DCS控制器通信，数据传输速率≥1Mbps。
支持冗余通信总线（可选），提高系统可靠性。
5.环境适应性
工作温度：-20℃至+70℃（宽温设计，适应工业现场极端环境）。
存储温度：-40℃至+85℃。
防护等级：IP20（控制柜内安装），外壳材质为阻燃塑料（UL94 V-0），抗冲击能力强。
三、产品优势
高可靠性与冗余设计
MTBF（平均无故障时间）：≥10万小时（工业级设计，适合7×24小时连续运行）。
支持模块冗余与通道冗余（可选），确保关键信号不中断。
灵活配置与扩展性
通过FOXBORO的配置工具（如I/A Series Workbench）快速设置输入类型、量程、滤波时间等参数。
支持热插拔（Hot Swap），无需断电即可更换模块，减少停机时间。
兼容性与标准化
完全兼容FOXBORO I/A Series DCS系统，与控制器、HMI、工程师站无缝集成。
符合IEC 61131-3、ISA 95等国际标准，支持与第三方设备通信。
FOXBORO FBM42 Product Details
I.Basic Information
Brand:FOXBORO(Foxboro,now owned by Schneider Electric,focuses on industrial automation,process control and DCS systems,especially in the fields of energy,chemical industry,oil and gas)
Model:FBM42
Type:Fieldbus Module,an input/output(I/O)component of FOXBORO I/A Series(I/A system)DCS.
Purpose:As an interface between DCS system and field equipment(such as sensors and actuators),it realizes the acquisition and control of analog signals and digital signals,and is widely used in continuous process control(such as chemical industry,refining,and electricity)and discrete manufacturing(such as packaging and machinery).
II.Technical Specifications
1.Module Function and Channel
Input/Output Type:
FBM42 is an analog input module(AI)that supports 8-channel single-ended or 4-channel differential input(selected by jumper or configuration).
Supported signal types:thermocouple(TC),thermal resistor(RTD),millivolt(mV),voltage(0~5V,1~5V,etc.),current(0~20mA,4~20mA).
Channel isolation:
Isolation voltage between channels≥500VAC,isolation voltage between modules≥1500VAC(effectively prevent signal interference and ground potential difference problems).
2.Accuracy and performance
Measurement accuracy:
Voltage/current input:±0.05%(typical value),temperature input(RTD/TC):±0.1℃(high-precision design to meet industrial measurement needs).
Resolution:16-bit ADC(analog input)to ensure that small signal changes can be accurately captured.
Response time:≤100ms(typical value),supports fast process control.
3.Signal processing and diagnosis
Cold junction compensation(CJC):Built-in thermocouple cold junction compensation function,automatically corrects the impact of ambient temperature on measurement.
Disconnection detection:supports input signal disconnection detection(such as thermocouple open circuit,current signal below threshold),triggers alarm and outputs to DCS system.
Self-diagnosis function:The module monitors the hardware status(such as power supply,channel failure)in real time,and alarms through LED indicator or DCS system.
4.Power supply and communication
Power supply requirements:
Module power supply:24VDC(±10%),power consumption≤5W(low power design,reduce heat).
Communication interface:
Communicate with DCS controller through I/A Series fieldbus(such as ControlNet,Foundation Fieldbus),data transmission rate≥1Mbps.
Support redundant communication bus(optional)to improve system reliability.
5.Environmental adaptability
Working temperature:-20℃to+70℃(wide temperature design,adapt to extreme environment of industrial site).
Storage temperature:-40℃to+85℃.
Protection level:IP20(installed in control cabinet),the shell material is flame retardant plastic(UL94 V-0),strong impact resistance.
3.Product Advantages
High reliability and redundant design
MTBF(mean time between failures):≥100,000 hours(industrial-grade design,suitable for 7×24 hours continuous operation).
Supports module redundancy and channel redundancy(optional)to ensure that key signals are not interrupted.
Flexible configuration and scalability
Quickly set parameters such as input type,range,filter time,etc.through FOXBORO’s configuration tools(such as I/A Series Workbench).
Supports hot swap(Hot Swap),modules can be replaced without powering off,reducing downtime.
Compatibility and standardization
Fully compatible with FOXBORO I/A Series DCS system,seamlessly integrated with controllers,HMI,and engineer stations.
Compliant with international standards such as IEC 61131-3 and ISA 95,and supports communication with third-party devices.
