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      A6312

      Speed Key Monitor
      In Stock
      Ships by Wednesday, October 14
      Fast Shipping Available

      Product Describe：

      Emerson A6312 is a dual-channel speed and key monitor for IMR6000/10 and IMR6000/30 machinery monitoring systems. It processes eddy-current or differential sensor inputs for speed, zero-speed, key and direction-related functions.

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      Technical specifications Information Technical notes FAQ

      Technical specifications for A6312

      Technical specifications for A6312

      • Manufacturer:
        Emerson
      • Product Category:
        Machinery Monitoring System
      • Spare Part Number:
        A6312
      • Estimated shipping dimensions:
        3x19x12.7cm
      • Weight:
        0.26 kg
      • Tariff Code:
        8537101190
      • Counliy of origin:
        USA
      • Channels:
        2
      • Systems:
        IMR6000/10 and IMR6000/30
      • Input types:
        Eddy-current or differential sensor
      • Input range:
        0 to ±27.3 VDC
      • Frequency range:
        0–20 kHz
      • Speed range:
        Up to 65,535 RPM
      • Zero-speed marks:
        1–255 trigger marks
      • Zero-speed time:
        1–1700 seconds
      • Power:
        6 W / 250 mA at 24 VDC
      View as PDF Ask for Quote

      Information

      Information

      Overview Manuals Common Applications Product Precautions
      Emerson A6312 is a dual-channel speed and key monitor for IMR6000/10 and IMR6000/30 machinery monitoring systems. It processes eddy-current or differential sensor inputs for speed, zero-speed, key and direction-related functions.
      • Measures two independent speed or key channels
      • Supports zero-speed timing and trigger-mark counts
      • Combines channels for rotation direction
      • Calculates speed difference between two inputs

      Record tooth count, trigger thresholds, zero-speed time and channel combination logic before replacing A6312. Verify each sensor input independently, then prove calculated speed, key reference and any direction or speed-difference function.

      Important Notice: Verify A6312 from the physical marking and current manufacturer documentation before installation or configuration.

      Apter Power Emerson A6312 Manuals and Guides
      Apter Power Emerson A6312 Product Technical ReferenceApter Power Emerson A6312 Installation and Verification Guide

      Important Notice: Use these model-specific records together with the current manufacturer publication and the installed-system documentation.

      Shaft speed monitoring
      Converts probe pulses into rotational speed.
      Key reference generation
      Processes a once-per-turn reference for phase-related monitoring.
      Zero-speed detection
      Uses configured mark count and timeout to identify stopped rotation.
      Rotation-direction supervision
      Combines two phase-shifted channels to determine direction.
      Read the applicable Emerson instructions before work. Verify A6312 and the installed system configuration.
      1
      Verify the exact A6312 model; do not substitute the different A6312-8 record.
      2
      Record both sensor locations and trigger targets.
      3
      Capture tooth count, trigger thresholds and channel polarity.
      4
      Preserve zero-speed mark count and timeout.
      5
      Place any speed-dependent trip function in maintenance state.
      6
      Use ESD controls and label both inputs before removal.
      7
      Test each frequency input independently after startup.
      8
      Prove calculated RPM, key, zero speed and combined-channel logic before release.

      Technical notes

      Technical notes

      Record tooth count, trigger thresholds, zero-speed time and channel combination logic before replacing A6312. Verify each sensor input independently, then prove calculated speed, key reference and any direction or speed-difference function.

      FAQS

      • How does Emerson A6312 differ from A6312-8?
        A6312 is the dual-channel speed and key monitor described for IMR6000/10 and IMR6000/30; the suffix version is a different catalog record and must not be treated as the same model.
      • What is the maximum input frequency of Emerson A6312?
        The documented frequency range extends to 20 kHz.
      • What is the maximum displayed speed for Emerson A6312?
        The card reference lists a maximum of 65,535 RPM.
      • Which sensor signals can Emerson A6312 accept?
        It supports eddy-current or differential sensor inputs over 0 to ±27.3 VDC.
      • How many trigger marks can Emerson A6312 use for zero-speed detection?
        Each channel can be configured for 1–255 trigger marks.
      • What zero-speed timeout is available on Emerson A6312?
        The selectable zero-speed time is 1–1700 seconds.
      • How does Emerson A6312 determine rotation direction?
        Direction is derived by combining the phase relationship of the two configured channels.
      • What proves a correct Emerson A6312 replacement?
        Inject known frequencies on both inputs and verify RPM scaling, key pulse, zero-speed timeout, direction and speed-difference results against the saved configuration.
      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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