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      81546-01 ASSY79748-01

      3300/16 Dual Hermetic Relay Module Assembly
      In Stock
      Ships by Thursday, October 1
      Fast Shipping Available

      Product Describe：

      Bently Nevada 81546-01 ASSY79748-01 is a dual-hermetic spare relay module assembly for the 3300/16 XY/Gap Dual Vibration Monitor. It provides the matched alert and danger relay interface for the documented monitor configuration.

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      Technical specifications Information Alternative names Technical notes FAQ

      Technical specifications for 81546-01 ASSY79748-01

      Technical specifications for 81546-01 ASSY79748-01

      • Manufacturer:
        Bently Nevada
      • Product Category:
        Machinery Monitoring System
      • Spare Part Number:
        ASSY79748-01
      • Estimated shipping dimensions:
        5x9.8x22.8cm
      • Weight:
        0.4 kg
      • Tariff Code:
        8537101190
      • Counliy of origin:
        USA
      • Relay construction:
        Dual hermetically sealed relays
      • Parent monitor:
        3300/16 XY/Gap Dual Vibration Monitor
      • ATEX spare option:
        81546-02
      • Alert relay mode:
        Normally de-energized or normally energized
      • Danger relay mode:
        Normally de-energized or normally energized
      • Relay voting:
        OR or AND; field-programmable
      • Alert reset:
        Latching or nonlatching
      • Danger reset:
        Latching or nonlatching
      • Alarm time delay:
        0.1, 1, 3, or 6 seconds
      • Installation context:
        Matched rear relay-module position of the configured 3300/16
      View as PDF Ask for Quote

      Information

      Information

      Overview Manuals Common Applications Product Precautions
      Bently Nevada 81546-01 ASSY79748-01 provides dual-hermetic alert and danger relay interfacing for a matched 3300/16 XY/Gap monitor in a documented Bently Nevada 3300 Monitoring System installation.
      • 3300/16 Dual Hermetic Relay Module Assembly
      • ASSY79748-01
      • Dual hermetically sealed relays
      • Dual-hermetic alert and danger relay interfacing for a matched 3300/16 XY/Gap monitor

      The component remains matched to its documented rack position, mating hardware, wiring and approved configuration. Commissioning preserves that architecture and verifies the protection function under controlled conditions.

      Important Notice: Confirm 81546-01 ASSY79748-01, its exact Bently Nevada 3300 Monitoring System host, installed position, mating hardware, wiring, alarm logic, configuration, diagnostics and controlled acceptance evidence before release.

      81546-01 ASSY79748-01 Manuals & Downloads

      These documents are different: the first consolidates verified product and system data; the second provides installation checks, commissioning steps and acceptance records.

      Matched 3300/3500 rack service
      Restores dual-hermetic alert and danger relay interfacing for a matched 3300/16 XY/Gap monitor in the documented machinery-monitoring architecture.
      Exact-execution replacement
      Uses the complete 81546-01 ASSY79748-01 identity instead of a neighboring option or revision.
      Machinery-protection refurbishment
      Preserves the installed host position, connectors, alarm logic and approved configuration.
      Controlled recommissioning
      Confirms hardware identity, diagnostics and the affected protection function before return to operation.
      Read the applicable Bently Nevada installation instructions before work. Verify 81546-01 ASSY79748-01, the installed host system and all configured field interfaces before isolation, wiring or commissioning.
      1
      Confirm the complete 81546-01 ASSY79748-01 marking and the documented 3300/16 Dual Hermetic Relay Module Assembly execution.
      2
      Place the machinery-protection system and connected process in the approved maintenance state.
      3
      Isolate rack power and field circuits, prove the safe state and apply ESD controls.
      4
      Record the rack position, mating hardware, connectors, alarm wiring and as-found configuration.
      5
      Verify every option and limit against the exact manufacturer ordering or spare-parts record.
      6
      Restore grounding, shielding, wiring, relay logic and the approved monitor configuration.
      7
      Energize under control and review rack, channel and alarm diagnostics.
      8
      Complete a controlled functional test of dual-hermetic alert and danger relay interfacing for a matched 3300/16 XY/Gap monitor before service release.

      Alternative Names

      Alternative Names

      81546 01 ASSY79748 01

      Technical notes

      Technical notes

      Install 81546-01 ASSY79748-01 only in the documented Bently Nevada 3300 Monitoring System position. Preserve the exact mating interfaces and option settings, then verify diagnostics and dual-hermetic alert and danger relay interfacing for a matched 3300/16 XY/Gap monitor under controlled conditions.

      FAQS

      • 81546-01 ASSY79748-01: What relay construction is identified by spare 81546-01?
        The 3300/16 ordering table identifies 81546-01 as the dual-hermetic relay spare module.
      • 81546-01 ASSY79748-01: Which monitor accepts the 81546-01 relay assembly?
        It is listed for the 3300/16 XY/Gap Dual Vibration Monitor and must match that monitor’s relay-module position and alarm wiring.
      • 81546-01 ASSY79748-01: Which part number is ordered for the ATEX-approved spare?
        The ordering table gives option 02 in parentheses, so the ATEX spare is 81546-02 rather than 81546-01.
      • 81546-01 ASSY79748-01: Can alert and danger relay coils be configured normally energized?
        Yes. Alert and Danger relay modes are individually field-programmable as normally de-energized or normally energized.
      • 81546-01 ASSY79748-01: Which voting modes are available with the dual-hermetic module?
        The monitor supports OR or AND voting for relay drive; verify the installed jumper configuration before replacement.
      • 81546-01 ASSY79748-01: Which reset behaviors must be preserved?
        Both Alert and Danger reset functions can be latching or nonlatching, so the as-found selections must be recorded and restored.
      • 81546-01 ASSY79748-01: What alarm delay selections can affect acceptance testing?
        The monitor provides 0.1, 1, 3, or 6 second alarm-delay selections; the controlled test must verify the installed delay.
      • 81546-01 ASSY79748-01: What must be checked after installing ASSY79748-01?
        Confirm the parent 3300/16 is OK, then test the documented Alert and Danger relay outputs, voting logic, reset behavior and recorder response without bypassing machinery-protection interlocks.
      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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