描述
产品概述
BENTLY 3500/40M 140734-01是本特利内华达（Bently Nevada）生产的4通道位移监测器模块，专为工业旋转机械（如汽轮机、压缩机、泵等）的振动和位置监测设计。该模块接收电涡流传感器信号，处理后生成振动、位移等参数，并与用户可编程报警阈值比较，实现设备保护和状态监控。
技术参数
物理特性
尺寸：24.18 cm（深）×2.44 cm（宽）×24.13 cm（高）或35 cm（部分配置）。
重量：0.91 kg或2.5 kg（不同配置）。
安装方式：支持控制室安装或现场安装。
电气性能
工作电压：24 V DC（典型功耗7 W）。
输入信号：1-4路电涡流传感器信号，灵敏度范围：
径向振动：3.94 mV/μm（100 mV/mil）或7.87 mV/μm（200 mV/mil）
轴向位移：同上
差胀：0.394 mV/μm（10 mV/mil）或0.787 mV/μm（20 mV/mil）
环境适应性
工作温度：-30°C至+65°C（与内部/外部终端I/O模块配合时）或0°C至+65°C（与内部安全栅模块配合时）。
湿度：95%非冷凝。
核心功能特点
监测功能
支持4通道组态，可同时执行以下功能（每对通道执行一个功能）：
径向振动
轴向位移
差胀
轴偏心
REBAM®（滚动轴承振动分析）
报警机制
用户可编程报警：每通道配置警告报警值，任意两通道可设置危险报警值。
延迟时间：报警延迟时间可软件设定。
状态指示与通信
LED指示灯：
OK LED：模块正常运行状态。
TX/RX LED：与其他模块通信状态。
Bypass LED：旁路模式指示。
通信协议：支持Modbus、Profinet等工业协议。
I/O模块扩展
模块类型：
带内部终端（01型号）
带外部终端（02型号）
带内部安全栅（03型号）
TMR位移模块（04型号）
信号处理与精度
精度：
直接/间隙/1X/2X：满量程的±0.33%，最大±1%
差胀：满量程的±0.33%，最大±1%
滤波器：支持单极点滤波器和恒定Q值陷波滤波器。
应用场景
工业设备监测
汽轮机、压缩机、泵、电机等旋转机械的振动和位移实时监测。
行业应用
电力、化工、石油、天然气、矿业等领域，用于设备状态维护和故障预警。
Product Overview
BENTLY 3500/40M 140734-01 is a 4-channel displacement monitor module produced by Bently Nevada,designed for vibration and position monitoring of industrial rotary machinery such as turbines,compressors,pumps,etc.This module receives eddy current sensor signals,generates vibration,displacement and other parameters after processing,and compares them with the user programmable alarm threshold to realize equipment protection and status monitoring.
Technical parameters
Physical characteristics
Dimensions:24.18 cm(deep)×2.44 cm(width)×24.13 cm(height)or 35 cm(partial configuration).
Weight:0.91 kg or 2.5 kg(different configurations).
Installation method:Supports control room installation or on-site installation.
Electrical performance
Operating voltage:24 V DC(typical power consumption 7 W).
Input signal:1-4 eddy current sensor signal,sensitivity range:
Radial vibration:3.94 mV/μm(100 mV/mil)or 7.87 mV/μm(200 mV/mil)
Axial displacement:Same as above
Differential expansion:0.394 mV/μm(10 mV/mil)or 0.787 mV/μm(20 mV/mil)
Environmental adaptability
Operating temperature:-30°C to+65°C(when mate with internal/external terminal I/O modules)or 0°C to+65°C(when mate with internal safety gate modules).
Humidity:95%non-condensing.
Core functional features
Monitoring function
Supports 4-channel configuration,and can perform the following functions simultaneously(one function per pair of channels):
Radial vibration
Axial displacement
Differential swelling
Axial eccentricity
REBAM®(Rolling Bearing Vibration Analysis)
Alarm mechanism
User programmable alarm:Each channel is configured with warning alarm values,and any two channels can set hazard alarm values.
Delay time:The alarm delay time can be set by software.
Status indication and communication
LED indicator:
OK LED:The module is operating normally.
TX/RX LED:Communication status with other modules.
Bypass LED:Bypass mode indication.
Communication protocol:Supports industrial protocols such as Modbus and Profinet.
I/O module extension
Module type:
With internal terminal(model 01)
With external terminal(02 model)
With internal safety grille(model 03)
TMR displacement module(model 04)
Signal processing and accuracy
Accuracy:
Direct/Gap/1X/2X:±0.33%of full scale,maximum±1%
Differential expansion:±0.33%of full scale,maximum±1%
Filter:Supports single-pole filters and constant Q-value notch filters.
Application scenarios
Industrial equipment monitoring
Real-time monitoring of vibration and displacement of rotating machinery such as steam turbines,compressors,pumps,motors,etc.
Industry applications
Electricity,chemical industry,oil,natural gas,mining and other fields are used for equipment status maintenance and fault warning.
