1756-DHRIO Allen-Bradley PLC 2 Channel DH485/DF1 Bridge Module New

item ID#: 24019
  • Item condition: New and Original
  • 10 available/ 0 sold
  • Start from: 1 Unit(s)
  • Weight: 0.5 Kg(s)
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  • Stock Lead Time
3-7 Days Details
1Year Quality Assurance Details
7 days unconditional return, the buyer bear the return freight Details

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    1756-DHRIO Allen-Bradley PLC 2 Channel DH485/DF1 Bridge Module New

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    Fasstobuy: 1756-DHRIO  Allen-Bradley PLC 2 Channel DH485/DF1 Bridge Module New


    Separate communication modules are available for different networks. Install multiple communication modules into the ControlLogix backplane to bridge or route control and information data between different networks. You can route a message through a maximum of four chassis (eight communication hops). You do not need a ControlLogix controller in the chassis.
    ControlLogix-XT communication modules for extreme environments are available for EtherNet/IP, ControlNet, and Data Highway Plus and Remote I/O networks.

    The 1756-DHRIO module supports messaging between devices on DH+™ networks. The remote I/O

    functionality enables the module to act as a scanner for transferring digital and block-transfer data to and

    from remote I/O devices.





    Communication rate

    57.6 Kbps, 115.2 Kbps, 230.4 Kbps

    Remote I/O communication

    Remote I/O scanner only

    32 logical rack connections per remote I/O channel

    16 block-transfer connections per remote I/O channel

    Remote I/O scanner or adapter

    32 physical racks (0…76), any combination of rack size

    and block transfers

    Connections supported, max


    10 scheduled I/O

    Current draw @ 5.1V DC

    850 mA

    450 mA

    Current draw @ 24V DC

    1.7 mA

    5 mA

    Power dissipation

    4.5 W

    2.5 W

    Thermal dissipation

    15.4 BTU/hr

    8.5 BTU/hr

    Isolation voltage

    30V (continuous), basic insulation type, DHRIO A/B to backplane,

    and DHRIO A/programming port to DHRIO B

    No isolation between DHRIO A and Programming port

    Type tested at 877V DC for 60 s

    50V (continuous), basic insulation type, RIO

    communication lines to backplane

    Type tested at 500V AC for 60 s

    Slot width


    Module location

    Chassis-based, any slot


    1756-A4, 1756-A7, 1756-A10, 1756-A13, 1756-A17

    Power supply, standard

    1756-PA72/C, 1756-PA75/B, 1756-PB72/C, 1756-PB75/B, 1756-PC75/B, 1756-PH75/B

    Power supply, redundant

    1756-PA75R, 1756-PB75R, 1756-PSCA2


    2, individually selectable for DH+ or remote I/O

    1 for remote I/O

    Screw terminal torque


    0.5…0.6 N•m (5…7 lb•in)

    Wire size

    0.519 mm2 (20 AWG) Belden 9463 copper twinaxial

    Wiring category

    2 - on DHRIO ports

    3 - on local programming port

    2 - on RIO ports

    North American temperature code


    IEC temperature code



    Enclosure type rating

    None (open-style)

     1756-DHRIO Allen-Bradley PLC 2 Channel DH485/DF1 Bridge Module New1756-DHRIO Allen-Bradley PLC 2 Channel DH485/DF1 Bridge Module New

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