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      3500/70M 135489-01

      Four-channel reciprocating impulse/velocity monitor I/O module
      In Stock
      Ships by Wednesday, October 7
      Fast Shipping Available

      Product Describe：

      Bently Nevada 3500/70M 135489-01 is the documented four-channel reciprocating impulse/velocity monitor i/o module for the 70M product family. Bently Nevada 3500/70M 135489-01 is an internal-barrier I/O module with four Prox/Accel channels for a reciprocating impulse/velocity monitoring assembly.

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      Technical specifications Information Technical notes FAQ

      Technical specifications for 3500/70M 135489-01

      Technical specifications for 3500/70M 135489-01

      • Manufacturer:
        Bently Nevada
      • Product Category:
        Machinery Monitoring System
      • Spare Part Number:
        3500/70M 135489-01
      • Estimated shipping dimensions:
        2.5x25.6x24cm
      • Weight:
        0.8 kg
      • Tariff Code:
        8537101190
      • Counliy of origin:
        USA
      • Exact I/O identity:
        135489-01 internal barriers; internal terminations; four Prox/Accel channels
      • Channels:
        1 to 4 signals; programmed in pairs
      • Channel functions:
        Impulse acceleration, acceleration 2, reciprocating velocity and low-frequency reciprocating velocity
      • Acceleration input impedance:
        10 kOhm
      • Velocity input impedance:
        Greater than 1 MOhm
      • Special-inhibit input:
        5 Vdc at 390 microampere
      • Power consumption:
        7.7 W typical
      • Transducer supply:
        -22 Vdc minimum; 40 mA maximum
      • Buffered-output impedance:
        550 Ohm
      • Recorder output:
        4-20 mA; 12 V maximum; 600 Ohm maximum; under 100 ms
      View as PDF Ask for Quote

      Information

      Information

      Overview Manuals Common Applications Product Precautions
      Bently Nevada 3500/70M 135489-01 is the documented four-channel reciprocating impulse/velocity monitor i/o module for the 70M product family.
      • Supports impulse acceleration, acceleration 2, reciprocating velocity and low-frequency velocity functions.
      • Accepts one to four signals with channels programmed in pairs.
      • Provides buffered transducer outputs and per-channel 4-20 mA recorder signals.
      • Applies to crankcase and crosshead vibration monitoring on reciprocating machinery.

      Install 3500/70M 135489-01 only with the documented 70M front/rear module, termination hardware, transducers and approved 3500 rack configuration. Commissioning covers identity, signal path, scaling, alarms and controlled response.

      Important Notice: Confirm the complete 3500/70M 135489-01 identity, installed interfaces, approved configuration and final functional acceptance record before service release.

      Bently Nevada 3500/70M 135489-01 Manuals & Downloads
      Bently Nevada 3500/70M 135489-01 Technical Reference (PDF)Bently Nevada 3500/70M 135489-01 Official Datasheet (PDF)

      Important Notice: The first document is an exact-model technical reference. The second is the unmodified official manufacturer family datasheet used for installation limits and technical evidence.

      Crankcase impulse monitoring
      Detect impact-like acceleration events on reciprocating machinery.
      Crosshead vibration
      Measure reciprocating velocity at a documented casing or crosshead location.
      Low-frequency velocity
      Apply the low-frequency channel type for the intended reciprocating operating band.
      Channel-pair protection
      Configure paired channels for matching or separate functions as the machine design requires.
      Read the applicable Bently Nevada installation instructions before work. Verify 3500/70M 135489-01, its installed system arrangement and configured interfaces before commissioning.
      1
      Confirm 135489-01 belongs to the 3500/70M assembly and not another monitor family using the same base part number.
      2
      Preserve the four internal-barrier Prox/Accel channel assignments.
      3
      Match acceleration or velocity input impedance to the configured transducer type.
      4
      Restore paired-channel functions and special-inhibit logic from the approved record.
      5
      Verify transducer supply, bias and buffered outputs before commissioning alarms.
      6
      Check recorder load and output scaling on every active channel.
      7
      Prove impulse or velocity alarm behavior with a controlled test appropriate to the selected channel type.
      8
      Retain baseline vibration, alarm response, inhibit state and acceptance evidence.

      Technical notes

      Technical notes

      Confirm 135489-01 belongs to the 3500/70M assembly and not another monitor family using the same base part number. Retain baseline vibration, alarm response, inhibit state and acceptance evidence.

      FAQS

      • How is 3500/70M 135489-01 distinguished from identical base-number I/O modules used by other 3500 monitors?
        Confirm the complete 3500/70M identity and the four internal-barrier Prox/Accel channel configuration rather than relying on the 135489-01 number alone.
      • Which measurements can the installed 3500/70M assembly perform with 3500/70M 135489-01?
        Configured functions include impulse acceleration, acceleration 2, reciprocating velocity and low-frequency reciprocating velocity.
      • Why must channel pairing be preserved when replacing 3500/70M 135489-01?
        The monitor programs channels in pairs, and paired channels may carry matching or different reciprocating measurement functions.
      • What input-impedance distinction matters for 3500/70M 135489-01?
        Acceleration inputs use 10 kOhm while velocity inputs exceed 1 MOhm; the I/O and transducer configuration must agree.
      • What is the documented special-inhibit input condition for 3500/70M 135489-01?
        The special-inhibit input is specified at 5 Vdc and approximately 390 microampere; verify the installed logic before relying on inhibition.
      • Which transducer-supply limit should be checked on 3500/70M 135489-01?
        The published supply is -22 Vdc minimum with a 40 mA maximum; verify bias and current for each active channel.
      • How should the recorder interface from 3500/70M 135489-01 be accepted?
        Confirm 4-20 mA scaling, no more than 600 Ohm load, 12 V maximum compliance and response under 100 ms.
      • What final evidence proves the reciprocating channels using 3500/70M 135489-01?
        Retain the channel type, paired configuration, baseline waveform, inhibit state, alarm response and recorder-output results.
      Trusted by 5,000+ plants worldwide | Backed by our vast inventory of top-tier control parts, modules and cards, fast shipments are dispatched to cover your urgent needs. ABOUT US >>
      Disclaimer: We are not an authorized distributor or distributor of the product manufacturer of this website, The product may have older date codes or be an older series than that available direct from the factory or authorized dealers. Because our company is not an authorized distributor of this product, the Original Manufacturer`s warranty does not apply.While many DCS PLC products will have firmware already installed, Our company makes no representation as to whether a DSC PLC product will or will not have firmware and, if it does have firmware, whether the firmware is the revision level that you need for your application. Our company also makes no representations as to your ability or right to download or otherwise obtain firmware for the product from our company, its distributors, or any other source. Our company also makes no representations as to your right to install any such firmware on the product. Our company will not obtain or supply firmware on your behalf. It is your obligation to comply with the terms of any End-User License Agreement or similar document related to obtaining or installing firmware.

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