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      Bently Nevada 128718-01
      Bently Nevada 128718-01
      Bently Nevada 128718-01
      Bently Nevada 128718-01
      Bently Nevada 128718-01
      Bently Nevada 128718-01
      Product image is representative; revision or series may vary. Contact us to request a specific version.

      128718-01

      External Termination Block
      In Stock
      Ships by Monday, October 26
      Fast Shipping Available

      Product Describe：

      Bently Nevada 128718-01 is a Keyphasor external termination block with Euro Style connectors. It provides the external wiring interface for the 3500/25 Keyphasor arrangement through a separately selected signal-to-termination cable.

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      Technical specifications Information Technical notes FAQ

      Technical specifications for 128718-01

      Technical specifications for 128718-01

      • Manufacturer:
        Bently Nevada
      • Product Category:
        Machinery Monitoring System
      • Spare Part Number:
        128718-01
      • Estimated shipping dimensions:
        9x7.6x6cm
      • Weight:
        0.12 kg
      • Tariff Code:
        8537101190
      • Counliy of origin:
        USA
      • System:
        3500/25 Enhanced Keyphasor
      • Termination Type:
        External termination
      • Connector Execution:
        Euro Style connectors
      • Associated Cable Family:
        129530-AAAA-BB
      • Cable Assembly Option 01:
        Not assembled
      • Cable Assembly Option 02:
        Assembled
      • Cable Length Option 0005:
        5 ft (1.5 m)
      • Cable Length Option 0007:
        7 ft (2.1 m)
      • Cable Length Option 0010:
        10 ft (3 m)
      • Cable Length Option 0025:
        25 ft (7.5 m)
      • Cable Length Option 0050:
        50 ft (15 m)
      • Cable Length Option 0100:
        100 ft (30.5 m)
      • External I/O, Non-isolated:
        126648-01
      • External I/O, Isolated:
        126648-02
      • Host Signal Sources:
        Proximity transducers or magnetic pickups
      View as PDF Ask for Quote

      Information

      Information

      Overview Manuals Common Applications Product Precautions
      Bently Nevada 128718-01 is a Keyphasor external termination block with Euro Style connectors. It provides the external wiring interface for the 3500/25 Keyphasor arrangement through a separately selected signal-to-termination cable.
      • Euro Style connectors distinguish 128718-01 from the terminal-strip ET block.
      • External termination places the field-wiring interface outside the rack I/O module.
      • The 129530 cable is selected independently by length and assembly option.
      • Keyphasor timing supports shaft-speed and synchronous vibration measurements in the associated system.

      The block belongs to the Keyphasor external-termination hardware path. The 3500/25 module performs signal processing; the block, interconnecting cable and selected I/O execution must remain a coordinated installation. Isolated and non-isolated I/O arrangements have different signal and transducer-power considerations.

      Important Notice: Match the Euro Style block, external-termination I/O and selected cable before rewiring. Internal-termination I/O cannot use an ET block, and the isolated I/O requirements must be checked separately from the block identity.

      Bently Nevada 128718-01 Manuals & Downloads
      Bently Nevada 128718-01 Technical Reference (PDF)Bently Nevada 128718-01 Installation & Commissioning Guide (PDF)

      The technical reference explains Euro Style termination, cable selection and host signal context. The installation guide covers work planning, I/O checks and reference-signal acceptance.

      External Keyphasor wiring
      Organize field connections for a 3500/25 arrangement using external-termination I/O.
      Rack maintenance
      Service the Euro Style termination interface while preserving cable identification and channel mapping.
      Speed and phase-reference channels
      Support the wiring path feeding the module that derives shaft timing and synchronous vibration references.
      Isolated I/O installations
      Use in the selected external-termination arrangement after checking isolation, transducer power and signal requirements.
      Bently Nevada 128718-01 installation checks: match the Euro Style external termination, separate cable and rack I/O before restoring the Keyphasor reference.
      1
      Confirm the 128718-01 Euro Style execution before moving wires; 128726-01 is the terminal-strip variant.
      2
      Use an external-termination I/O module; an ET block cannot be connected as an internal-termination conversion.
      3
      Identify the separate 129530 cable and verify both length and assembled/not-assembled option before installation.
      4
      Apply the machine isolation and protection procedure before interrupting a Keyphasor reference used by other channels.
      5
      Preserve field-circuit identification and verify every connection against the installed module wiring instructions.
      6
      For isolated I/O with a Proximitor application, provide the external power supply required by that arrangement.
      7
      Assess phase-sensitive measurements with the chosen I/O execution; isolated I/O introduces additional phase shift.
      8
      After restoration, verify the intended speed, event count and timing reference through the machine commissioning procedure.

      Technical notes

      Technical notes

      Use the Euro Style 128718-01 execution with an external-termination I/O arrangement; ET blocks cannot be used with internal-termination I/O modules. Select the 129530 cable length and assembly option separately.

      FAQS

      • How is 128718-01 different from the terminal-strip Keyphasor block?
        128718-01 uses Euro Style connectors. The terminal-strip external termination block is 128726-01; connector execution is the distinguishing selection.
      • Can 128718-01 be used with an internal-termination I/O module?
        No. External termination blocks cannot be used with internal-termination I/O modules. Select the corresponding external-termination I/O arrangement.
      • Which cable family connects 128718-01 to the Keyphasor rack path?
        129530-AAAA-BB is the Keyphasor signal-to-ET-block cable family. Choose its length and assembly option separately; the block and cable are separate ordering items.
      • What does the assembly suffix on a cable selected for 128718-01 mean?
        For 129530 cables, BB01 means not assembled and BB02 means assembled. This suffix describes the cable supply configuration, not a different ET-block connector type.
      • Does 128718-01 itself generate the digital Keyphasor reference?
        The 3500/25 module receives proximity-transducer or magnetic-pickup signals and converts them to the digital Keyphasor reference. 128718-01 serves the external termination path.
      • What power check matters when 128718-01 is used with isolated I/O and a Proximitor?
        The isolated I/O arrangement supports Proximitor applications when an external power supply is provided. Apply that requirement to the selected transducer circuit rather than assuming that the ET block supplies the required power.
      • Why should phase measurements be reviewed when servicing 128718-01 in an isolated I/O arrangement?
        Isolated Keyphasor I/O introduces more phase shift than the non-isolated version and is primarily intended for shaft-speed measurement. Evaluate the actual I/O execution and machine speed before interpreting phase results.
      • What should be tested after rewiring 128718-01?
        As field acceptance checks, confirm channel mapping, the intended events per revolution and the recovered speed/timing reference. Restore the machine protection arrangement only after its prescribed functional checks are complete.
      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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      Bently Nevada 128718-01
      Bently Nevada 128718-01
      Bently Nevada 128718-01
      Bently Nevada 128718-01
      Bently Nevada 128718-01
      Bently Nevada 128718-01