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      Allen-Bradley 1746SC-CTR4
      Allen-Bradley 1746SC-CTR4
      Allen-Bradley 1746SC-CTR4
      Allen-Bradley 1746SC-CTR4
      Allen-Bradley 1746SC-CTR4
      Allen-Bradley 1746SC-CTR4
      Product image is representative; revision or series may vary. Contact us to request a specific version.

      1746SC-CTR4

      Counter Flowmeter Module
      In Stock
      Ships by Monday, October 5
      Fast Shipping Available

      Product Describe：

      Allen-Bradley 1746SC-CTR4 is a Spectrum Controls four-channel counter and turbine-flowmeter module for the SLC 500 platform. It accepts DC counter signals or variable-reluctance AC inputs and exchanges data with the SLC processor through the chassis backplane.

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      Technical specifications Information Alternative names Technical notes FAQ

      Technical specifications for 1746SC-CTR4

      Technical specifications for 1746SC-CTR4

      • Manufacturer:
        Allen-Bradley
      • Product Category:
        PLC Systems
      • Spare Part Number:
        1746SC-CTR4
      • Estimated shipping dimensions:
        14.5x13.1x3.5cm
      • Weight:
        0.18 kg
      • Tariff Code:
        8537101190
      • Counliy of origin:
        USA
      • Manufacturer:
        Spectrum Controls for the Allen-Bradley SLC 500 platform
      • Module function:
        Four-channel counter / turbine flowmeter
      • Input channels:
        4
      • DC counter input levels:
        5 V DC, 12 V DC or 24 V DC
      • Variable-reluctance input range:
        50 mV to 75 V peak AC
      • External counter-enable inputs:
        4
      • Maximum input frequency:
        50 kHz
      • Maximum count selections:
        +/-32K or +/-8M
      • Scaling variables:
        K, M and R
      • Channel update time:
        4 ms per channel
      • Selectable input filters:
        15 kHz, 30 kHz or 50 kHz
      • Channel-to-rack isolation:
        1000 V DC
      • Count accuracy:
        +/-1 count
      • SLC 500 rack current:
        175 mA at 5 V DC; 75 mA at 24 V DC
      • Field connector:
        24-pin removable terminal block
      View as PDF Ask for Quote

      Information

      Information

      Overview Manuals Common Applications Product Precautions
      Allen-Bradley 1746SC-CTR4 is a Spectrum Controls four-channel counter and turbine-flowmeter module for the SLC 500 platform. It accepts DC counter signals or variable-reluctance AC inputs and exchanges data with the SLC processor through the chassis backplane.
      • Provides four configurable counter or turbine-flow channels
      • Accepts 5, 12 or 24 V DC counter inputs and variable-reluctance AC inputs
      • Supports input frequencies up to 50 kHz
      • Communicates with the SLC 500 processor through the chassis backplane

      Counts documented single-ended pulse inputs at rates up to 50 kHz. Processes compatible variable-reluctance turbine pickup signals and applies the configured scaling.

      Important Notice: Values are limited to the supplied Spectrum Controls 1746sc-CTR4/CTR8 User Manual, the official installation guide and the official Spectrum Controls catalog. Final channel scaling and machine logic remain project-specific.

      Allen-Bradley 1746SC-CTR4 Manuals & Downloads
      Allen-Bradley 1746SC-CTR4 Technical Reference (PDF)Allen-Bradley 1746SC-CTR4 Installation & Commissioning Guide (PDF)

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

      High-speed event counting
      Counts documented single-ended pulse inputs at rates up to 50 kHz.
      Turbine flow measurement
      Processes compatible variable-reluctance turbine pickup signals and applies the configured scaling.
      Rate and totalization
      Provides count and rate information to the SLC 500 processor for machine or process logic.
      Legacy SLC 500 maintenance
      Restores a four-channel installation while preserving wiring, scaling and filter assignments.
      Read the applicable manufacturer instructions before work. Verify 1746SC-CTR4, the installed system and every configured field interface before isolation, wiring or commissioning.
      1
      Verify the complete 1746SC-CTR4 catalog identity and assigned SLC 500 chassis slot before work.
      2
      Place the machine, flow system and associated outputs in the approved maintenance state before module removal.
      3
      Record all four channel modes, K/M/R scaling values, filter selections and counter-enable assignments.
      4
      Remove chassis and field power and verify a safe state before disconnecting the 24-pin removable terminal block.
      5
      Confirm the SLC chassis power budget includes 175 mA at 5 V DC and 75 mA at 24 V DC for 1746SC-CTR4.
      6
      Match each field signal to the configured 5, 12 or 24 V DC input level or the documented variable-reluctance range.
      7
      Use the documented conductor range and tighten the terminal block to 0.5 N m without damaging the removable connector.
      8
      After installation, verify channel LEDs, counts, rates, scaling, enable inputs and controlled machine or flow response before release.

      Alternative Names

      Alternative Names

      1746sc-CTR4 1746SCCTR4 Spectrum Controls 1746SC-CTR4 Allen-Bradley 1746SC-CTR4

      Technical notes

      Technical notes

      Spectrum Controls documents 1746SC-CTR4 as a four-channel 50 kHz counter or turbine-flowmeter module for the Allen-Bradley SLC 500 platform. Preserve every channel mode, scaling value, filter, enable input and field-terminal assignment during replacement.

      FAQS

      • How many channels does 1746SC-CTR4 provide?
        1746SC-CTR4 provides four general-purpose counter or turbine-flowmeter channels.
      • Which input signal types can 1746SC-CTR4 accept?
        It supports 5, 12 or 24 V DC counter inputs and variable-reluctance AC inputs from 50 mV to 75 V peak.
      • What is the maximum input frequency of 1746SC-CTR4?
        The user manual specifies operation up to 50 kHz, with selectable 15, 30 and 50 kHz input filters.
      • Which count ranges are available in 1746SC-CTR4?
        The module supports maximum count selections of plus or minus 32K or plus or minus 8M.
      • How quickly does 1746SC-CTR4 update its channels?
        The documented update time is 4 ms per channel.
      • What isolation is provided by 1746SC-CTR4?
        The module provides 1000 V DC channel-to-rack isolation; the channels are not isolated from each other.
      • What SLC 500 power budget is required for 1746SC-CTR4?
        Allow 175 mA from the 5 V DC backplane rail and 75 mA from the 24 V DC rail.
      • What should be retained when replacing 1746SC-CTR4?
        Preserve slot identity, all channel modes, input level, K/M/R scaling, filters, enable assignments and the as-found count or flow baseline.
      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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      Allen-Bradley 1746SC-CTR4
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      Allen-Bradley 1746SC-CTR4