Description

Bently Nevada 135489-02 is a critical I/O module that belongs to Bently Nevada’s industry-leading 3500 series mechanical protection system.As a 3500/42M Proximitor®/Part of the Seismic monitor,the 135489-02 module is the core input/output interface of this series,designed specifically for connecting various vibration,displacement,and velocity sensors.Its notable feature is the integration of internal barriers,which allows it to be directly connected to sensors in hazardous areas while ensuring safe operation of control systems in non hazardous areas without the need for external barriers,simplifying wiring and reducing installation costs.

The main function of Bently Nevada 135489-02 is to receive signals from displacement(Proximitor)and velocity(Velomitor)®）Route the raw signal from the accelerometer sensor to the 3500/42M monitor for signal conditioning,analysis,and alarm judgment.It can provide the necessary power supply for sensors and offer analog output(such as 4-20mA)for other systems to record or remotely monitor.The integrated design of module 135489-02,coupled with its precise monitoring capability for mechanical vibration,displacement,and velocity parameters,makes it an ideal choice for health monitoring and protection of key rotating machinery such as turbines,compressors,and pumps.It has irreplaceable value in preventing equipment failures,extending equipment life,and ensuring production safety.

bently 135489-02

technical specifications

Product model:135489-02

Manufacturer:Bently Nevada(under Baker Hughes)

Product type:I/O module(with internal safety barrier and internal terminals)

System:Bently Nevada 3500 Series Mechanical Protection System

Compatible monitor:3500/42M Proximitor®/Seismic Monitor

Number of channels:4 channels(usually configured as 2 displacement/acceleration+2 velocity sensor inputs)

Supporting sensors:Proximitors®(displacement),Velomitor®(Speed),acceleration sensor

Safety feature:Built in intrinsic safety barriers

Power supply:provided by the 3500 frame backplane

Output signal:4-20 mA analog output(per channel)

Installation method:3500 frame rear slot(full height)

Working temperature:0°C to+65°C(+32°F to+150°F)

Storage temperature:-40°C to+85°C(-40°F to+185°F)

Humidity:95%,non condensing

Main features and advantages

Integrated internal safety barrier:The biggest advantage of Bently Nevada 135489-02 is its built-in intrinsic safety barrier.This means that it can be directly connected to sensors installed in hazardous areas such as explosive gas or dust environments without the need for additional external safety barriers.This not only greatly simplifies system wiring and reduces installation space,but also lowers overall costs and maintenance complexity,while ensuring compliance with functional safety standards such as IEC 61508.

Multi channel,multi type sensor compatibility:135489-02 provides 4 input channels,typically configured to support both displacement(Proximitor)and velocity(Velomitor)simultaneously®）Sensor inputs(e.g.channels 1 and 2 for displacement/acceleration,channels 3 and 4 for velocity).This multifunctionality enables it to meet the monitoring needs of various key parameters of rotating machinery,such as shaft vibration,axial displacement,radial vibration,and bearing vibration.

Accurate signal processing and transmission:As the I/O module of the 3500/42M monitor,135489-02 is responsible for reliably transmitting sensor raw signals to the monitor for advanced processing.It can provide stable power supply for sensors and output standard 4-20 mA analog signals,making it easy to integrate into control systems such as DCS or PLC for wider monitoring and data recording.

High reliability and industrial grade design:Bently Nevada 135489-02 adheres to Bently Nevada’s consistent high reliability standards and is designed for long-term stable operation in harsh industrial environments.Its sturdy construction and strict adherence to electromagnetic compatibility(EMC)ensure precise performance under challenging conditions such as vibration,noise,and temperature fluctuations.

Simplified installation and maintenance:Due to the integration of safety barriers and internal terminals,the installation process of 135489-02 is more direct,reducing the number of external wiring and connection points,thereby reducing potential fault points.In terms of maintenance,modular design allows for the replacement of individual modules without interrupting the operation of the entire system,improving the availability and maintainability of the system.

bently 135489-02

application area

The Bently Nevada 135489-02 I/O module,as an important component of the Bently Nevada 3500 series mechanical protection system,is widely used in various industrial fields for health monitoring and protection of large and critical rotating machinery

In the power industry,135489-02 is used to monitor key equipment such as turbines,generators,compressors,and feedwater pumps in thermal power plants,nuclear power plants,hydropower plants,and gas turbine combined cycle power plants.It can monitor shaft vibration,axial displacement,speed and other parameters in real time,providing key data for overspeed protection,bearing protection and unit fault diagnosis,ensuring the safe and stable operation of the power plant.

Oil and gas industry:In oil extraction,refining,pipeline transportation,and liquefied natural gas(LNG)facilities,module 135489-02 is used to monitor large compressors,pumps,fans,and turbomachinery.Due to the characteristics of its internal safety barrier,it is particularly suitable for hazardous areas where flammable and explosive gases or dust may exist,providing an intrinsic safety solution to ensure the safety of personnel and assets.

The chemical and petrochemical industries require extremely high operational stability and safety for rotating equipment such as reactors,distillation towers,compressors,pumps,and agitators in chemical plants.135489-02 provides precise vibration and displacement monitoring in these applications,helping to predict equipment failures and prevent accidents from occurring.

Metallurgy and steel industry:In large auxiliary equipment such as blowers,oxygen compressors,and rolling mills in steel plants,module 135489-02 is used to monitor the operating status of these equipment,ensuring the continuity of the production process and the safe operation of the equipment.

Other industrial applications:Bently Nevada 135489-02 can play a role in industries involving large,high-speed,or critical rotating machinery,such as papermaking,cement,water treatment,etc.By providing reliable mechanical condition monitoring data and supporting predictive maintenance strategies,it can extend equipment life and reduce unplanned downtime.

Related products

The products closely related to Bently Nevada 135489-02 I/O module mainly include other modules,sensors,and supporting software of Bently Nevada 3500 series:

Bently Nevada 3500/42M Proximitor®/Seismic Monitor:135489-02 is a dedicated I/O module for this monitor,responsible for receiving and transmitting front-end signals.

Bently Nevada 3500/05 Rack:A physical installation platform for 3500 series modules,providing power and backplane communication.

Bently Nevada 3500/04M System Configuration Software:Used for configuring,calibrating,and diagnosing all 3500 series modules,including 135489-02.

Bently Nevada 3300 XL Series Displacement Sensor(Proximitor)®)：For example,the 3300 XL 8mm Proximitor sensor,together with 135489-02,achieves shaft displacement and vibration measurement.

Bently Nevada 330500 Velomitor Speed Sensor®)：Used in conjunction with 135489-02 for measuring bearing box or housing vibration.

Bently Nevada 330400 accelerometer:used to measure the acceleration of bearing housings or shells,providing wideband vibration information.

Bently Nevada 3500/04-01 IS Grounding Module:When the 3500 frame contains an internal safety barrier module(such as 135489-02),this module is required to provide an intrinsic safety grounding connection.

Bently Nevada 135489-01 I/O module:It is also an I/O module with internal safety barriers,but the channel configuration may be different(e.g.4-channel displacement/acceleration).

Bently Nevada 135489-03 I/O module:equipped with internal safety barriers,typically configured with 4 speed sensor inputs.

bently 135489-02

Installation and maintenance

Preparation before installation:Before installing the Bently Nevada 135489-02 I/O module,it is essential to carefully review the Bently Nevada 3500 series installation and maintenance manual(GEH-6143)to fully understand its mechanical installation requirements,electrical connection diagrams,environmental limitations,and all relevant safety operating procedures.As a module with internal safety barriers,the installation of 135489-02 must strictly follow the wiring specifications of intrinsic safety circuits and ensure that the types and lengths of all connecting cables meet certification requirements.Before performing any wiring or module plugging operations,it is necessary to strictly follow the lockout/tagout(LOTO)procedure to ensure that the system is completely powered off and to take electrostatic discharge(ESD)measures,as electronic modules are highly sensitive to static electricity.The 135489-02 module is usually installed in the rear slot of the 3500 frame,and it is necessary to ensure that it is correctly aligned with the corresponding 3500/42M monitor module and securely inserted.

Maintenance recommendation:Bently Nevada 135489-02 module is a critical component of the 3500 protection system and typically does not require complex daily maintenance.However,it is recommended to regularly monitor its operating status,diagnostic information,and alarm logs through the 3500 configuration software to promptly identify and resolve potential issues.Although 135489-02 has an internal safety barrier,it is still recommended to regularly inspect the sensor cables and their wiring terminals connected to hazardous areas to ensure that there is no physical damage or corrosion,and to maintain the stability of the connection.Ensure that the internal environment of the 3500 frame and control cabinet for installing 135489-02 is kept clean,dry,and within the manufacturer’s recommended operating temperature and humidity range to extend the service life of the module.Any maintenance,replacement,or advanced fault diagnosis involving internal components of the module should be carried out by Bently Nevada authorized or professionally trained technicians to ensure correct operation,system safety,and reliability.

Product Guarantee

We provide a solid guarantee for the excellent quality of Bently Nevada 135489-02 I/O modules and their reliable performance in Bently Nevada 3500 series mechanical protection systems.