Bently Nevada 3500/25

Description

Bently Nevada 3500/25 is an enhanced keyphase module.Here is a detailed introduction to it:

1.Basic properties

Type:half-height dual-channel module.

Purpose:Used to transmit keyphase signals to monitor modules in the 3500 rack.

Manufacturer:Bently Nevada.

2.Functional features

Signal conversion:When the keyphaser mark on the shaft is aligned with the keyphaser sensor,the module uses a magnetic sensor or proximity probe to detect the alignment and convert the input signal into a digital keyphaser signal.

Multi-signal processing capability:The 3500 machinery protection system can accept up to four keyphase signals in a normal setting and up to eight in a paired configuration.

Precise detection:Once per revolution or multiple times per revolution event pulses of a rotating shaft or gear(called keyphase signals)can be used to accurately detect timing,allowing the 3500 monitoring module and external diagnostic tools to measure shaft speed and vector characteristics such as 1X vibration amplitude and phase.

Compatibility:Maintains full backward compatibility in form,fit,and function with existing Keyphasor modules used for legacy systems while providing increased Keyphasor signal handling capability over previous designs.

Bently Nevada 3500/25

Redundant Setup:When system keyphasor inputs are required in Triple Modular Redundant(TMR)applications,the 3500 system should use two Keyphasor modules,which operate in parallel to provide primary and secondary keyphasor signals to other modules in the rack.

Technical Specifications

Input Signal Range:+0.8V to 21.0V for non-isolated I/O modules and+5V to-11V for isolated I/O modules.Signals outside this range are internally limited by the module.

Output Impedance:Maximum output impedance of the buffer is 504 ohms.

Keyphasor Sensor Power Supply:-24Vdc,40mA maximum per channel.

Mounting:To mount in a full-height slot,the half-height master module requires a unique mounting adapter.The user can insert the master module into any of the 14 accessible slots.Only two master modules can be in each rack,one each in the top and bottom half slots.

4.Application Scenarios

The Bently Nevada 3500/25 module is widely used in various scenarios that require accurate monitoring of the state of rotating machinery,such as power,petrochemical,metallurgy,machinery manufacturing and other fields.It can be used in conjunction with other monitoring modules and equipment to achieve real-time monitoring and fault diagnosis of mechanical equipment parameters such as vibration and temperature,providing reliable protection for the operation of the equipment.

Bently Nevada 3500/25

5.Additional functions

In addition to the basic key phase signal processing function,the Bently Nevada 3500/25 module may also have the following additional functions:

Vibration monitoring:It can measure and monitor the vibration level of mechanical equipment,including radial vibration,axial vibration and circumferential vibration.

Temperature monitoring:It can monitor the temperature of the equipment to detect temperature anomalies or overheating in time.

Data acquisition and analysis:Collect vibration and temperature data,and use built-in analysis algorithms to evaluate the condition of the equipment and predict potential mechanical failures.

Fault diagnosis:It has a fault diagnosis function that can help engineers identify equipment problems and provide recommended repairs or maintenance operations.

Communication interface:It has a communication interface that can transmit data to the monitoring system for real-time monitoring and recording.

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