描述
主要功能与特点
双通道设计:能够同时接收来自两个独立振动传感器的信号,并将其转换为独立的输出信号,或者输出两个通道中最大值对应的信号。这对于需要同时监测径向和轴向振动的设备非常有用。
兼容性:可与EPRO标准电动振动传感器(例如PR 9268/20、PR 9268/30、PR 9268/60和PR 9268/70系列)配合使用。
信号输出:提供电流输出(0/4…20 mA),与测量信号成比例。这些输出通常是隔离的,以保护下游电子设备免受干扰。
限值监控:具备限值报警功能,当振动值超过预设阈值时,可以通过功能输出(例如继电器触点或光耦输出)进行指示,便于及时发现异常情况。
自检功能:集成模块和传感器监测功能,能够检测传感器和模块电子设备的故障,并在出现故障时改变“OK”输出状态并将电流输出指示为0 mA,方便故障诊断。
灵活的配置:可通过配置软件(如MMS 3910 W)进行参数设置,以适应不同的测量范围、频率响应、限值等,满足特定应用的需求。
冗余电源输入:支持两个冗余的24 V DC电源输入,提高了设备的可靠性。
坚固耐用:采用非腐蚀性铝制外壳,防护等级达到IP65,适用于严苛的工业环境。
应用广泛:适用于电力、石化、化工、钢铁、水处理等行业的各类旋转机械设备的振动监测,无论大型系统(与PLC和上位机配合使用)还是小型设备均可适用。
符合标准:符合VDI 2056、API 670等常见振动监测标准(具体符合的API标准可能因配置而异)。
技术参数概述
输入:两个独立的电动振动传感器输入。
输出:两个电流输出(0/4…20 mA)。
功能输出:最多5个功能输出(可选继电器触点或光耦输出),用于限值报警或通道状态指示。
供电:额定+24 V DC,允许电压范围+18 V DC至+31.2 V DC。
功耗:最大约6 W。
测量范围:可通过配置软件根据所用传感器进行自由选择。
频率范围:
高通滤波:可选5/10/15 Hz。
低通滤波:可调50 Hz至1500 Hz。
线性误差:不含传感器时约0.2%(25°C),含传感器时小于2.2%(25°C)。
工作温度:-20°C至+65°C。
防护等级:IP65。
尺寸与重量:约16cm x 16cm x 12cm,净重约0.8 kg(具体取决于硬件选项)。
接口:RS232(用于配置和数据显示),可选RS485总线(EPRO协议V2.0)或PROFIBUS DP。
Main functions and features
Dual channel design:It can simultaneously receive signals from two independent vibration sensors and convert them into independent output signals,or output the signal corresponding to the maximum value of the two channels.This is very useful for equipment that needs to monitor radial and axial vibrations at the same time.
Compatibility:It can be used with EPRO standard electric vibration sensors(such as PR 9268/20,PR 9268/30,PR 9268/60 and PR 9268/70 series).
Signal output:It provides a current output(0/4…20 mA)proportional to the measured signal.These outputs are usually isolated to protect downstream electronics from interference.
Limit monitoring:It has a limit alarm function.When the vibration value exceeds the preset threshold,it can be indicated through the functional output(such as relay contact or optocoupler output),which is convenient for timely detection of abnormal conditions.
Self-test function:The integrated module and sensor monitoring function can detect faults in sensors and module electronics,and change the”OK”output state and indicate the current output to 0 mA when a fault occurs,which is convenient for fault diagnosis.
Flexible configuration:Parameters can be set via configuration software(e.g.MMS 3910 W)to adapt to different measurement ranges,frequency responses,limits,etc.to meet the needs of specific applications.
Redundant power input:Supports two redundant 24 V DC power inputs to improve device reliability.
Rugged:Adopts non-corrosive aluminum housing with protection level up to IP65,suitable for harsh industrial environments.
Wide application:Suitable for vibration monitoring of various rotating machinery and equipment in the power,petrochemical,chemical,steel,water treatment and other industries,whether large systems(used in conjunction with PLC and host computer)or small equipment.
Compliance with standards:Complies with common vibration monitoring standards such as VDI 2056 and API 670(specific API standards may vary depending on configuration).
Technical parameters overview
Input:Two independent electric vibration sensor inputs.
Output:Two current outputs(0/4…20 mA).
Function outputs:Up to 5 function outputs(relay contacts or optocoupler outputs optional)for limit alarm or channel status indication.
Power supply:Rated+24 V DC,permissible voltage range+18 V DC to+31.2 V DC.
Power consumption:Max.approx.6 W.
Measuring range:Freely selectable via configuration software depending on the sensor used.
Frequency range:
High-pass filter:Selectable 5/10/15 Hz.
Low-pass filter:Adjustable 50 Hz to 1500 Hz.
Linearity error:Approx.0.2%(25°C)without sensor,less than 2.2%(25°C)with sensor.
Operating temperature:-20°C to+65°C.
Protection class:IP65.
Dimensions and weight:Approx.16cm x 16cm x 12cm,net weight approx.0.8 kg(depending on hardware options).
Interfaces:RS232(for configuration and data display),optional RS485 bus(EPRO protocol V2.0)or PROFIBUS DP.
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