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      Allen-Bradley 1756-DNB
      Allen-Bradley 1756-DNB
      Allen-Bradley 1756-DNB
      Allen-Bradley 1756-DNB
      Allen-Bradley 1756-DNB
      Allen-Bradley 1756-DNB
      Product image is representative; revision or series may vary. Contact us to request a specific version.

      1756-DNB

      ControlLogix DeviceNet Bridge/Scanner Module
      In Stock
      Ships by Monday, October 5
      Fast Shipping Available

      Product Describe：

      Allen-Bradley 1756-DNB is a ControlLogix DeviceNet bridge and scanner module for connecting a ControlLogix controller to DeviceNet devices. It supports DeviceNet configuration, control and cyclic data exchange at 125, 250 or 500 Kbps.

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      Technical specifications Information Revisions Alternative names Technical notes FAQ

      Technical specifications for 1756-DNB

      Technical specifications for 1756-DNB

      • Manufacturer:
        Allen-Bradley
      • Product Category:
        PLC Systems
      • Spare Part Number:
        1756-DNB
      • Estimated shipping dimensions:
        3.5x15.5x14.5cm
      • Weight:
        0.22 kg
      • Tariff Code:
        8537101190
      • Counliy of origin:
        USA
      • Product type:
        DeviceNet Bridge/Scanner Module
      • Network:
        DeviceNet
      • Communication rate:
        125 / 250 / 500 Kbps
      • Maximum nodes:
        64
      • Current draw:
        400 mA at 5.1 V DC
      • DeviceNet current draw:
        60 mA at 24 V DC
      • DeviceNet voltage range:
        11...25 V DC CL 2 / SELV
      • Power dissipation:
        3.5 W
      • Operating temperature:
        0...60 °C
      View as PDF Ask for Quote

      Information

      Information

      Overview Manuals Common Applications Product Precautions
      Allen-Bradley 1756-DNB is a ControlLogix DeviceNet bridge and scanner module for connecting a ControlLogix controller to DeviceNet devices.
      • ControlLogix chassis integration
      • DeviceNet bridge and scanner operation
      • Scan-list and I/O data coordination
      • Local module and network diagnostics

      Use Allen-Bradley 1756-DNB in the documented ControlLogix chassis and DeviceNet architecture after confirming the chassis slot, node address, communication rate, scan list and controller project.

      Important Notice: Verify the exact 1756-DNB marking, installed DeviceNet configuration, network power and approved commissioning record before release.

      Apter Power Allen-Bradley 1756-DNB Manuals and Guides
      Apter Power Allen-Bradley 1756-DNB Product and System Technical Reference PDF Allen-Bradley 1756-DNB Official Installation Instructions PDF

      The first document is an Apter Power model-specific technical reference. The second is the official Rockwell Automation installation instruction used as the source record.

      DeviceNet I/O scanning
      Coordinates cyclic input and output data between a ControlLogix controller and configured DeviceNet nodes.
      Controller-to-device data exchange
      Provides the network interface used by the controller project to exchange control and diagnostic data with DeviceNet devices.
      DeviceNet network configuration
      Supports documented node addressing, communication-rate selection, scan-list setup and I/O mapping.
      ControlLogix network maintenance
      Supports replacement verification and commissioning checks for an installed DeviceNet scanner module.
      Before using Allen-Bradley 1756-DNB, verify the ControlLogix chassis, DeviceNet power, node address, communication rate and approved scanner configuration.
      1
      Verify the exact 1756-DNB catalog and series marking before replacement.
      2
      Isolate ControlLogix chassis and DeviceNet power before wiring or removal.
      3
      Match the module communication rate to the installed DeviceNet network.
      4
      Assign a unique DeviceNet node address before placing the module online.
      5
      Install the module in the documented ControlLogix chassis slot.
      6
      Confirm DeviceNet connector wiring, network power and field-cable condition.
      7
      Download and verify the scan list, I/O map and controller project.
      8
      Confirm module and network status before returning the system to service.

      Revisions

      Revisions

      Revision Part #

      Also known as

      Series
      1756-DNB/E
      Get Parts Quote

      Alternative Names

      Alternative Names

      ControlLogix DeviceNet Scanner Module

      Technical notes

      Technical notes

      Before commissioning Allen-Bradley 1756-DNB, verify the ControlLogix chassis slot, DeviceNet node address and communication rate. Confirm the scan list, network power, connector wiring and controller project before returning the system to service.

      FAQS

      • How does Allen-Bradley 1756-DNB connect a ControlLogix controller to DeviceNet?
        It is a ControlLogix DeviceNet bridge and scanner module that connects a ControlLogix controller to devices on a DeviceNet network.
      • Which DeviceNet communication rates can Allen-Bradley 1756-DNB use?
        The module supports 125, 250 and 500 Kbps.
      • How many DeviceNet nodes can Allen-Bradley 1756-DNB scan?
        The 1756-DNB supports a maximum of 64 DeviceNet nodes.
      • Which ControlLogix chassis slots can accept Allen-Bradley 1756-DNB?
        It installs in a ControlLogix chassis and can be placed in any chassis slot.
      • What DeviceNet supply voltage does Allen-Bradley 1756-DNB require?
        The DeviceNet interface uses 11 to 25 V DC Class 2 or SELV power.
      • What backplane and DeviceNet current does Allen-Bradley 1756-DNB draw?
        It draws 400 mA at 5.1 V DC from the chassis and 60 mA at 24 V DC from the DeviceNet network.
      • Which configuration items must be verified before commissioning Allen-Bradley 1756-DNB?
        Set the node address and communication rate, then verify the scan list, I/O mapping and controller project.
      • What operating environment is specified for Allen-Bradley 1756-DNB?
        The operating temperature is 0 to 60 °C with 5 to 95% relative humidity, noncondensing.
      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 1756-DNB
      Allen-Bradley 1756-DNB
      Allen-Bradley 1756-DNB
      Allen-Bradley 1756-DNB
      Allen-Bradley 1756-DNB
      Allen-Bradley 1756-DNB