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      In Stock
      ControlLogix Remote I/O Communication Module

      1756-RIO/B

      Spare Part Number

      PN1756-RIO

      Product Information:

      ControlLogix Remote I/O (RIO) communication

      module. This module provides RIO connection

      and capable of functioning as a scanner or

      adapter in the RIO network

      • One-year warranty
      • Global shipping
      • Exact-model verification
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      Technical specifications for

      1756-RIO/B

      0 TECHNICAL PARAMETERS
      • Manufacturer:
        Allen-Bradley
      • Product Category:
        PLC Systems
      • Spare Part Number:
        1756-RIO
      • Estimated shipping dimensions:
        3.6x14x14.6cm
      • Weight:
        0.26 kg
      • Tariff Code:
        8537101190
      • Country of origin:
        USA
      • Place of shipment:
        Xiamen, Fujian, China
      • Operating Temperature:
        32-140 Fahrenheit (0-60 Celsius)
      • Wire Size:
        20 AWG
      • Power Dissipation (Max):
        2.5 Watts
      • Isolation Voltage:
        50 Volts Continuous
      • Backplane Current (24 Volts DC):
        5 milliamps
      • Backplane Current (5.1 Volts DC):
        450 milliamps
      • Product Line:
        ControlLogix
      • Series:
        Allen-Bradley ControlLogix
      • Stock Availability:
        30
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      BUYER INFORMATION

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      • 03

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      Alternative Names

      1756RIO 1756 RIO

      Manuals

      1756-RIO/B.pdf
      PRODUCT & ORDER FAQS

      Questions buyers ask about 1756-RIO/B

      • How does the 1756‑RIO/B facilitate legacy and distributed I/O integration across industrial networks?

        The 1756‑RIO/B supports RIO communication protocols with legacy I/O devices such as 1791‑series and remote adapter racks, enabling ControlLogix controllers to acquire and manage digital, analog, and specialty I/O over traditional RIO networks. Its architecture supports a single RIO port that can link up to 32 physical remote racks with block transfers and scheduled I/O.

      • In what modes can the 1756‑RIO/B operate, and why is this adaptability valuable?

        The 1756‑RIO/B can operate as both a Remote I/O scanner and a Remote I/O adapter. As a scanner, it manages communications and scheduled data refreshes for connected racks; as an adapter, it allows a remote node to be addressed on a shared RIO network. This versatility enables flexible network topologies and gradual system modernization.

      • What communication specifications define the 1756‑RIO/B module’s link performance?

        The 1756‑RIO/B supports universal RIO baud rates, typically including 57.6 Kbps, 115.2 Kbps, and 230.4 Kbps, aligning with classic RIO network speed standards. It supports up to 10 concurrent scheduled I/O connections with deterministic update cycles for remote modules.

      • How is electrical isolation implemented on the 1756‑RIO/B to ensure signal integrity and safety?

        The 1756‑RIO/B provides 50 V continuous basic insulation between the RIO communication lines and the backplane. This isolation level supports noise immunity and basic safety compliance in industrial settings, with type testing typically performed at 500 V AC for 60 seconds.

      • What cabling and network media are used to connect the 1756‑RIO/B to a Remote I/O network?

        The 1756‑RIO/B uses universal RIO cabling standards, such as Belden 9463 twinaxial or 1771‑CD style “Blue Hose” cables, for its RIO link. Scheduling and addressing are configured via the controller’s I/O configuration environment to ensure accurate remote I/O mapping.
      All FAQ
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          Moore Disclaimer: Moore Automated's sales automation equipment and related solutions are intended for industrial automation and business operational efficiency improvement purposes only. Product information, technical parameters, and application cases are for reference only and do not constitute an absolute guarantee of performance for any specific industry, scenario, or final application. Actual equipment performance may vary depending on factors such as the usage environment, system integration method, and maintenance conditions. Users should confirm compatibility and safety based on professional technical assessments. Moore Automated assumes no liability for any direct or indirect losses caused by improper use, modification, or failure to operate according to specifications, to the extent permitted by law.

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