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      Allen-Bradley 1771-SDN
      Allen-Bradley 1771-SDN
      Allen-Bradley 1771-SDN
      Allen-Bradley 1771-SDN
      Allen-Bradley 1771-SDN
      Allen-Bradley 1771-SDN
      Product image is representative; revision or series may vary. Contact us to request a specific version.

      1771-SDN

      DeviceNet Scanner Module
      In Stock
      Ships by Wednesday, October 14
      Fast Shipping Available

      Product Describe：

      Allen-Bradley 1771-SDN is a devicenet scanner module for the Bulletin 1771 PLC-5 communication platform. It interfaces a PLC-5 system with DeviceNet devices through two scanner channels and a configured scan list.

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      Technical specifications Information Alternative names Technical notes FAQ

      Technical specifications for 1771-SDN

      Technical specifications for 1771-SDN

      • Manufacturer:
        Allen-Bradley
      • Product Category:
        PLC Systems
      • Spare Part Number:
        1771-SDN
      • Estimated shipping dimensions:
        25.3x14.6x3cm
      • Weight:
        0.85 kg
      • Tariff Code:
        8537101190
      • Counliy of origin:
        USA
      • Product family:
        Bulletin 1771 PLC-5 communication platform
      • Network:
        DeviceNet
      • Controller platform:
        PLC-5 / Bulletin 1771
      • Scanner channels:
        2
      • Data rates:
        125, 250 or 500 kbit/s
      • I/O messaging:
        Polled, strobe, change-of-state and cyclic
      • Configuration:
        Channel-specific scan lists and data tables
      • Series compatibility:
        Series C supports Series A/B behavior subject to switch settings
      • Addressing:
        DeviceNet node address by channel
      • Status:
        Module and network diagnostic indicators
      • Replacement boundary:
        Preserve both channel maps and PLC data-table assignments
      View as PDF Ask for Quote

      Information

      Information

      Overview Manuals Common Applications Product Precautions
      Allen-Bradley 1771-SDN interfaces a PLC-5 system with DeviceNet devices through two scanner channels and a configured scan list.
      • Connects PLC-5 logic to DeviceNet
      • Provides two scanner channels
      • Supports four DeviceNet I/O messaging modes
      • Maintains channel scan lists and data-table maps

      1771-SDN operates with its documented companion hardware and configured system interfaces.

      Engineered applications include PLC-5 DeviceNet scanning, Dual-channel network service, Mixed messaging modes, Scanner replacement.

      Important Notice: Back up both 1771-SDN scan lists, data-table maps, node addresses and data rates. Confirm series and switch behavior before exchanging hardware.

      Allen-Bradley 1771-SDN Manuals & Downloads
      Allen-Bradley 1771-SDN Technical Reference (PDF)Allen-Bradley 1771-SDN Installation & Commissioning Guide (PDF)
      The first document presents model-specific technical and system data. The second provides a separate installation, connection, commissioning and acceptance workflow.
      PLC-5 DeviceNet scanning
      Exchanges I/O data with assigned DeviceNet nodes.
      Dual-channel network service
      Operates two independently configured scanner channels.
      Mixed messaging modes
      Coordinates polled, strobe, COS and cyclic data.
      Scanner replacement
      Restores 1771-SDN while retaining addresses and data tables.
      Read the applicable Allen-Bradley instructions before work. Verify 1771-SDN, the installed system and every configured interface before isolation, wiring or commissioning.
      1
      Confirm the complete 1771-SDN marking and installed DeviceNet-scanner position before work.
      2
      Place the connected process in the approved maintenance state.
      3
      Isolate every applicable power and field circuit before disconnection.
      4
      Record connector, terminal, address, slot and companion-hardware identities.
      5
      Use grounded ESD controls and protect keyed interfaces from damage.
      6
      Preserve documented polarity, shielding, grounding and cable routing.
      7
      Restore power in the approved sequence and review diagnostics.
      8
      Prove the intended input, output or communications response and retain the acceptance record.

      Alternative Names

      Alternative Names

      1771-SDN 1771SDN Allen-Bradley 1771-SDN

      Technical notes

      Technical notes

      Back up both 1771-SDN scan lists, data-table maps, node addresses and data rates. Confirm series and switch behavior before exchanging hardware.

      FAQS

      • Why must technicians record the network before removing 1771-SDN?
        Network: DeviceNet. Verify the nameplate and controlled project record agree.
      • When servicing 1771-SDN, how should the controller platform be confirmed?
        Controller platform: PLC-5 / Bulletin 1771. Use this value when checking the devicenet scanner module against its installed position.
      • How does the scanner channels affect replacement of 1771-SDN?
        Scanner channels: 2. Retain it in the controlled replacement record.
      • What does the data rates mean for 1771-SDN system compatibility?
        Data rates: 125, 250 or 500 kbit/s. Compare it with the existing terminal and companion-hardware assignment.
      • Which acceptance record should retain the i/o messaging for 1771-SDN?
        I/O messaging: Polled, strobe, change-of-state and cyclic. Apply it during the pre-energization wiring review.
      • What commissioning check applies to the configuration on 1771-SDN?
        Configuration: Channel-specific scan lists and data tables. Confirm the installed system can support this value before startup.
      • What wiring check follows from the series compatibility on 1771-SDN?
        Series compatibility: Series C supports Series A/B behavior subject to switch settings. Do not replace it with a neighboring family value.
      • Which addressing belongs to 1771-SDN?
        Addressing: DeviceNet node address by channel. Record the as-found condition and verify it after commissioning.
      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 1771-SDN
      Allen-Bradley 1771-SDN
      Allen-Bradley 1771-SDN
      Allen-Bradley 1771-SDN
      Allen-Bradley 1771-SDN
      Allen-Bradley 1771-SDN