ABB P8431 ABB

ABB P8431产品详情

一、基本信息

品牌:ABB(全球电气化、自动化与数字化技术领导者,提供工业自动化、机器人、运动控制等解决方案)

型号:P8431

类型:高精度模拟量输入模块(Analog Input Module)

用途:作为ABB AC 800M/AC 800PEC控制器的扩展I/O模块,用于采集工业现场的模拟量信号(如温度、压力、流量等),广泛应用于电力、石化、冶金、水处理等流程工业场景。

二、技术规格

1.核心功能

信号类型与通道:

输入信号:支持8通道模拟量输入,兼容以下类型:

电压信号:±10V、0-10V、1-5V

电流信号:4-20mA、0-20mA

热电阻(RTD):PT100、PT1000、Ni100(需选配接线端子)

热电偶(TC):K型、J型、T型(需选配冷端补偿模块)

通道隔离:每通道独立光电隔离,隔离电压≥500V(通道间/通道对地),避免信号干扰。

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描述

ABB P8431产品详情

一、基本信息

品牌:ABB(全球电气化、自动化与数字化技术领导者,提供工业自动化、机器人、运动控制等解决方案)

型号:P8431

类型:高精度模拟量输入模块(Analog Input Module)

用途:作为ABB AC 800M/AC 800PEC控制器的扩展I/O模块,用于采集工业现场的模拟量信号(如温度、压力、流量等),广泛应用于电力、石化、冶金、水处理等流程工业场景。

二、技术规格

1.核心功能

信号类型与通道:

输入信号:支持8通道模拟量输入,兼容以下类型:

电压信号:±10V、0-10V、1-5V

电流信号:4-20mA、0-20mA

热电阻(RTD):PT100、PT1000、Ni100(需选配接线端子)

热电偶(TC):K型、J型、T型(需选配冷端补偿模块)

通道隔离:每通道独立光电隔离,隔离电压≥500V(通道间/通道对地),避免信号干扰。

信号处理与转换:

分辨率:16位ADC(模拟-数字转换),精度±0.1%(典型值),满足高精度测量需求。

采样速率:单通道最高1kHz,多通道共享带宽时采样速率可配置(如8通道共享100Hz)。

线性化与滤波:内置非线性补偿算法(如RTD/TC信号)与数字滤波器(低通/高通),优化信号质量。

2.硬件参数

接口与连接:

接线端子:采用可拆卸弹簧端子(支持带电插拔),支持单端/差分输入,接线方便且牢固。

通信接口:通过PROFIBUS-DP/PROFINET/Modbus TCP(根据型号选配)与控制器通信,支持冗余总线配置。

电源要求:24VDC(±15%),典型功耗<3W(满载时)。

防护与可靠性:

防护等级:IP20(控制柜内安装),外壳材质为阻燃塑料(UL94 V-0),抗电磁干扰(EMC)符合IEC 61000-6-2标准。

冗余设计:支持双电源输入、双通信总线冗余(需选配),MTBF(平均无故障时间)>150,000小时。

环境适应性:

工作温度:-20℃至+60℃(标准版),-40℃至+70℃(宽温版可选)。

抗振动:符合IEC 60068-2-6标准(10-500Hz,5G)。

3.性能指标

诊断与自检:

内置自诊断功能,可检测通道故障(开路、短路、超量程)、电源异常、通信中断,并通过LED指示灯或控制器报警。

支持HART协议(部分型号),可远程读取传感器诊断信息(如传感器漂移、线缆故障)。

安全认证:

符合IEC 61508 SIL 2(部分通道),适用于安全仪表系统(SIS)的辅助测量。

符合CE、UL、cUL等国际认证,满足全球工业标准。

三、应用领域

电力行业

发电机组监控:通过P8431采集发电机温度(RTD)、励磁电流(4-20mA)等信号,上传至ABB 800xA DCS系统。

变电站保护:监测变压器油温、母线电压(±10V),触发过温/过压报警。

石化行业

反应釜控制:采集反应釜压力(4-20mA)、温度(PT100),通过PID算法调节加热阀开度。

管道流量测量:连接电磁流量计(4-20mA输出),实现精确计量与泄漏检测。

冶金行业

高炉监控:监测热风炉温度(K型热电偶)、煤气压力(0-10V),优化燃烧效率。

连铸机控制:采集结晶器液位(4-20mA),控制拉速防止溢钢。

水处理

泵站监控:测量水池液位(4-20mA)、管道压力(0-5V),自动启停水泵避免干运转。

水质分析:连接pH传感器(1-5V输出),实时调节加药量。

PP846A 3BSE042238R2

PP846A 3BSE042238R2

PP846A 3BSE042238R2

PP846A 3BSE042238R2

PP846A 3BSE042238R2

PP846A 3BSE042238R2

ABB P8431 Product Details

I.Basic Information

Brand:ABB(a global leader in electrification,automation and digitalization technologies,providing solutions for industrial automation,robotics,motion control,etc.)

Model:P8431

Type:High-precision analog input module(Analog Input Module)

Purpose:As an extended I/O module for ABB AC 800M/AC 800PEC controller,it is used to collect analog signals(such as temperature,pressure,flow,etc.)at industrial sites,and is widely used in process industrial scenarios such as power,petrochemical,metallurgy,and water treatment.

2.Technical Specifications

1.Core Functions

Signal Type and Channel:

Input Signal:Supports 8-channel analog input,compatible with the following types:

Voltage signal:±10V,0-10V,1-5V

Current signal:4-20mA,0-20mA

Thermal resistor(RTD):PT100,PT1000,Ni100(need to select terminal block)

Thermocouple(TC):K-type,J-type,T-type(need to select cold end compensation module)

Channel isolation:Each channel is independently photoelectrically isolated,and the isolation voltage is≥500V(between channels/channel to ground)to avoid signal interference.

Signal processing and conversion:

Resolution:16-bit ADC(analog-to-digital conversion),accuracy±0.1%(typical value),meeting high-precision measurement requirements.

Sampling rate:single channel up to 1kHz,sampling rate can be configured when multiple channels share bandwidth(such as 8 channels share 100Hz).

Linearization and filtering:Built-in nonlinear compensation algorithm(such as RTD/TC signal)and digital filter(low pass/high pass)to optimize signal quality.

2.Hardware parameters

Interface and connection:

Terminal:Use removable spring terminal(support live plug and unplug),support single-ended/differential input,convenient and firm wiring.

Communication interface:Communicate with the controller through PROFIBUS-DP/PROFINET/Modbus TCP(optional according to the model),support redundant bus configuration.

Power supply requirements:24VDC(±15%),typical power consumption<3W(at full load).

Protection and reliability:

Protection level:IP20(installed in the control cabinet),the shell material is flame-retardant plastic(UL94 V-0),and the electromagnetic interference(EMC)complies with the IEC 61000-6-2 standard.

Redundant design:Support dual power input,dual communication bus redundancy(optional),MTBF(mean time between failures)>150,000 hours.

Environmental adaptability:

Working temperature:-20℃to+60℃(standard version),-40℃to+70℃(wide temperature version optional).

Vibration resistance:Complies with IEC 60068-2-6 standard(10-500Hz,5G).

3.Performance indicators

Diagnosis and self-test:

Built-in self-diagnosis function,which can detect channel faults(open circuit,short circuit,over-range),power supply abnormalities,communication interruptions,and alarm through LED indicators or controllers.

Supports HART protocol(some models),and can remotely read sensor diagnostic information(such as sensor drift,cable failure).

Safety certification:

Complies with IEC 61508 SIL 2(some channels),suitable for auxiliary measurement of safety instrumented systems(SIS).

Complies with international certifications such as CE,UL,cUL,and meets global industrial standards.

3.Application fields

Power industry

Generator monitoring:Collect generator temperature(RTD),excitation current(4-20mA)and other signals through P8431 and upload them to ABB 800xA DCS system.

Substation protection:Monitor transformer oil temperature and bus voltage(±10V)to trigger over-temperature/over-voltage alarm.

Petrochemical industry

Reactor control:Collect reactor pressure(4-20mA)and temperature(PT100),and adjust the heating valve opening through PID algorithm.

Pipeline flow measurement:Connect electromagnetic flowmeter(4-20mA output)to achieve accurate metering and leak detection.

Metallurgical industry

Blast furnace monitoring:Monitor hot blast furnace temperature(K-type thermocouple)and gas pressure(0-10V)to optimize combustion efficiency.

Continuous casting machine control:Collect crystallizer liquid level(4-20mA)to control the pulling speed to prevent overflow.

Water treatment

Pump station monitoring:measure the pool level(4-20mA),pipeline pressure(0-5V),automatically start and stop the pump to avoid dry running.

Water quality analysis:connect pH sensor(1-5V output)to adjust the dosage in real time.