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        Bently Nevada 3500/50
        Bently Nevada 3500/50
        Bently Nevada 3500/50
        Bently Nevada 3500/50
        Bently Nevada 3500/50
        Bently Nevada 3500/50
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        3500/50

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        1001 reviews ｜ Need a Specific Revision?
        The 3500/50 tachometer module is a dual-channel unit that can receive input signals from a proximity probe or a magnetic pickup.
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        Warranty Policy
        We provide 1 year warranty for all remaining parts.
        The warranty period is one year from the date of shipment, unless otherwise stated in the parts description. We guarantee that the project will not exhibit functional defects that may occur under normal operating conditions during the warranty period.
        Return Notice
        The warranty period is one year from the date of shipment, unless otherwise stated in the parts description. We guarantee that the project will not exhibit functional defects that may occur under normal operating conditions during the warranty period.
        In the event of a defect, we will send new equipment, repair equipment or refund the purchase price based on our availability. You must contact us to obtain a return authorization and return the defective device to us within 14 days of reporting the defect.
        Shipping Mode
        Various transportation options are available in each country. Shipping methods and fees are clearly indicated on all quotations.Various transportation options are available in each country. Shipping methods and fees are clearly indicated on all quotations.
        Parts Availability
        Apter Power offers a wide range of components, products and services related to industrial automation. We also supply new products from a variety of quality manufacturers.
        How to order
        We have been working hard to update our inventory. If we have stock or parts available for new factory purchases, you can contact the order online. If we do not currently have an inventory, the displayed quantity will show "Ask". Please create an online quote or contact us by phone, fax or email to check availability.

        Technical specifications for 3500/50

        • Manufacturer:
          Bently Nevada
        • Part Number:
          3500/50
        • Product Family:
          3500 System
        • Power Consumption:
          5.8 watts, typical
        • Output Impedance:
          550 Ω
        • Transducer Power Supply:
          24 Vdc, 40 mA maximum per channel
        • RPM/Min Accuracy:
          ± 20 rpm/min
        • Operating Temperature:
          -30 ºC to +65 ºC (-22 ºF to +150 ºF)
        • Storage Temperature:
          -40 ºC to +85 ºC (-40 ºF to +185 ºF).
        • Humidity:
          95%, non-condensing
        • Weight:
          0.82 kg
        • Estimated shipping dimensions:
          24.1x2.4x24.2cm
        • Tariff Code:
          8537101190
        • Country of origin:
          USA
        • Place of shipment:
          Xiamen, China
        By purchasing this item, you agree to the Terms & Conditions, ApterPower is not an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer's warranty does not apply. All our products come with ApterPower's 1-year warranty.

        More Information

        Overview Manuals Specifications Applications Diagnostics & Protection Firmware & Updates

        Features:

        • Receives Input from Eddy Current or Magnetic Pickup Sensors for Speed Measurement
        • Provides Four Configurable Monitoring Modes with Alarm Setpoints and Peak Hold Capability
        • Operates in Conjunction with the 3500 Rack Configuration Software and Other 3500 Monitors
        The Bently Nevada 3500/50 functions as a dual-channel Tachometer Module within the 3500 rack, providing precise speed measurement and rotor acceleration monitoring for rotating machinery. It continuously processes incoming signals from proximity probes or magnetic pickups, converting these to accurate speed data and distributing conditioned Keyphasor signals through the rack backplane to support operation of other monitors and modules. Seamless integration is standard with the 3500/50, however using the Peak Hold feature will allow storage of maximum speed, reverse speed, or number of reverse rotations until manually reset by the user. The 3500/50 offers significant flexibility over previous designs in addition to incorporating four configurable monitoring modes within the 3500 rack.

        The 3500/50 provides essential speed monitoring functions common to machinery protection, and is a critical component of the monitoring path, directly affecting the proper, normal operation of the overall monitor system. One 3500/50 module occupies a single full-height slot in the rack and can be installed in any available slot position from Slot 1 to Slot 15 (excluding Slot 0 reserved for power supplies).

        For applications requiring Keyphasor signal distribution, the 3500/50 can be configured to supply conditioned Keyphasor signals to the rack backplane, eliminating the need for separate Keyphasor modules. In addition to standard speed monitoring, the module performs automatic signal conditioning. The 3500/50 signal processing executes using the internal circuitry specified in the module options. Using this method, the tachometer system continually monitors the health of input signals. If the system detects that the input signal is no longer valid (outside configured thresholds or signal lost), it will automatically trigger an alarm and place an event in the System Event List.

        The 3500/50 Bently Nevada Tachometer Module may still be available for purchase and support from Apter Power beyond End-Of-Life (EOL) by the manufacturer (OEM).
        Bently Nevada 3500/50 Tachometer Module Manuals,Datasheets,Link Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.
        Bently Nevada 3500/50 Tachometer Module Specs

        General

        • Manufacturer Bently Nevada
        • Model 3500/50
        • Condition New Original ready stock
        • Product Family 3500/50M,3500/22M,3500/01
        Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.
        • Power Generation: Continuous monitoring of turbine speed for operational safety.
        • Oil and Gas: Protecting critical compressors and pumps from damage due to abnormal speed conditions.
        • Manufacturing: Safeguarding motors and conveyor systems by tracking rotational parameters.
        • Aerospace: Monitoring rotor systems during testing and standard operation.
        • Protection Options: Users can configure the module for four distinct protection modes: Speed Band Alarming, Zero Speed Notification, Rotor Acceleration Alarming, and Reverse Rotation Notification.
        • Peak Hold Feature: It stores the highest recorded speed, highest reverse speed, or the number of reverse rotations reached by the machine.
        • Self-Diagnostics: The system features self-monitoring to identify faults in the module or connected transducers, using appropriate error codes to annunciate problems and suppress faulty channel operation.
        • Buffered Outputs: Front-panel coaxial connectors provide buffered signals for external diagnostic equipment.
        • Conditioned Keyphasor Signals: It can supply Keyphasor signals directly to the 3500 rack backplane, often eliminating the need for a separate Keyphasor module.
        • Software Requirements: Programming must be performed via 3500 Rack Configuration Software (version 2.00 or later for standard types; version 3.50 or later for Reverse Rotation).
        • Firmware Compatibility: If adding a 3500/50 to an existing rack, the system typically requires Revision J (1.09) or later for full functionality, particularly for reverse rotation features.
        • Module Interaction: The 3500/50M variant requires 3500/22M Transient Data Interface firmware Revision 1.70 or later.
        View as PDF
        Description
        The 3500/50 Tachometer Module is a 2-channel module that accepts input from proximity probes or magnetic pickups (except as noted) to determine shaft rotative speed, rotor acceleration, or rotor direction, compares these measurements against user-programmable alarm setpoints, and generates alarms when these setpoints are violated.  The 3500/50 Tachometer Module is programmed using the 3500 Rack Configuration Software and can be configured with four different options:  
        1. Speed Monitoring, Setpoint Alarming, and Speed Band Alarming. 
        2. Speed Monitoring, Setpoint Alarming, and Zero Speed Notification. 
        3. Speed Monitoring, Setpoint Alarming, and Rotor Acceleration Alarming.  
        4. Speed Monitoring, Setpoint Alarming, and Reverse Rotation Notification. 

        The 3500/50 can be configured to supply conditioned Keyphasor® signals to the backplane of the 3500 rack for use by other monitors, thus eliminating the need 
        for a separate Keyphasor module in the rack. The 3500/50 also has a peak hold feature that stores the highest speed, highest reverse speed, or number of 
        reverse rotations (depending on channel type selected) that the machine has reached. These peak values can be reset by the user. 
        Alternative Names
        3500-40M 3500-92 3500-20 3500-42M 3500-05 3500-50M
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        FAQS

        The following is a list of questions commonly asked by our customers. Please contact us if you have a question about our process that is not answered below.
        VIEW ALL FAQS
        What is the main function of the 3500/50 Tachometer Module?
        It measures shaft speed, rotor acceleration, and rotation direction, and generates alarms based on set values.
        How many channels does it have?
        It has 2 channels.
        What input signals does it accept?
        It supports **proximity probes** and magnetic pickups.
        What are the selectable operating modes?
        Four modes: Speed ​​+ Alarm + Speed ​​Band Alarm; Speed ​​+ Alarm + Zero Speed ​​Notification; Speed ​​+ Alarm + Rotor Acceleration Alarm; Speed ​​+ Alarm + Reverse Rotation Notification.
        How is the 3500/50 configured?
        It is configured using the 3500 Rack Configuration Software.
        Can it replace the Keyphasor module?
        Yes. It outputs a conditioned Keyphasor® signal to the backplane, eliminating the need for an additional Keyphasor module.
        What is the Peak Hold function?
        It records the highest RPM, highest reverse RPM, or number of reverse rotations and can be manually reset.
        When will the alarm be triggered?
        When the RPM or acceleration exceeds the user-defined warning/danger threshold.
        What equipment is the 3500/50 suitable for?
        Suitable for large rotating machinery, turbines, compressors, pumps, generators, etc., requiring precise RPM monitoring.

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