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      1771-DS

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      Product Information

      Product Describe
      1771DS
      LATCHING INPUT MODULE
      8 INPUT
      LOGIC 1 - 10-27 V DC
      LOGIC 0 - 0-5 V DC
      OPEN STYLE
      RACK MOUNTABLE

      Specifications

      • Product Model
        1771-DS
      • Product Parameters
        LATCHING INPUT MODULE
      • Tariff Code
        8537101190
      • Country of origin
        USA
      • Place of shipment
        Xiamen, China
      • Estimated Shipping Size
        3x15.2x26cm
      • Manufacturer
        Allen-Bradley
      • Weight
        0.4 kg
      • Inputs
        8
      • Module Location
        1771 I/O chassis
      • Pulse Capture Time
        0.1, 0.5, 1.0, 2.5, or 5.0 ms
      • Input Voltage Range
        10 to 27V DC for a logic 1 /0 to 4V DC for a logic 0
      • Reverse Voltage Protection
        240V DC max
      • Maximum Off-State Current
        1mA @ 4V DC
      • Nominal Input Current
        20mA @ 27V DC typica
      • Opto-Electrical Isolation
        1500V
      • Backplane Current
        375mA typical
      • Operating Temperature
        0 to 60°C (32 to 140°F)
      • Storage Temperature
        40 to 85°C (40 to 185°C)

      • Factory New

        These are new and current items that are procured from the manufacturer.

      • New No Package

        These parts are new. They have not been used, but their original packaging is no longer available.

      • New In Opened Package

        These parts are new. They have not been used, but their original packaging has been opened or the packaging is significantly aged.

      • New In Sealed Package

        Parts are new. They have not been used and still have their original package seal intact.

      • New in Original Package

        These parts are new. The packages were not originally sealed by their original manufacturer.

      Warranty Period & Disclaimer

      Amikon is not an authorized distributor unless otherwise specified, representative, or affiliate of the manufacturer of this product. All trademarks and documents are the property of their respective owners and are provided for identification and informational.

      FAQs

      • What is the 1771-DS Module?+
        The 1771-DS is a Latching Input Module designed by Allen-Bradley for the PLC-5 system. It is an 8-input, rack-mountable module that operates within a 1771 I/O chassis, commonly used to capture fast pulses
      • What are the input voltage levels?+
        Logic 1 is 10-27V DC, and Logic 0 is 0-5V DC.
      • What sensors are compatible?+
        It is designed for optical sensors with isolated pulse or gate outputs. The off-state leakage current of the sensors must not exceed 1mA @ 4V DC
      • What is the modern replacement?+
        When upgrading from PLC-5 to ControlLogix (1756), users often replace it with high-speed modules like the 1756-IB16IF (Fast DC Input) or the 1756-IB16ISOE (Sequence of Events) to maintain fast response times.
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      Revisions

      Revision Part #

      Also known as

      1771-DS/A
      1771-DS-A Rev A
      Get Parts Quote >>
      1771-DS/B
      1771-DS-B Rev B
      Get Parts Quote >>
      What Happens Next
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      Warranty
      All parts new original are covered by Amikon 12 month warranty

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      Product

      MORE INFORMATION

      Overview Manuals Technical notes Product Applications Installation and Wiring

      Features:

      • PLC 5 Specialized I/O Module
      • Specialized I/O Module
      • 2558992-1 Board<
      The Latching (10-27V DC) Input Module detects and latches pulses of 0.1to 5.0 ms duration. When the module detects a pulse at an input terminal, itsets a bit in the corresponding input image table address on the next I/Oscan. The Allen-Bradley 1771-DS is a latching module with an input of 10-27V DC. It latches and detects pulses with a duration of 0.1-5.0 ms. Using an input terminal, the module discovers pulses and puts a bit within a corresponding image address table during the next I/O scan. The 1771-DS module responds to pulses by using an optical sensor which has an isolated gate output and an isolated pulse output.

      The 1771-DS Allen-Bradley Input Module may still be available for purchase and support from Amikon Limited beyond End-Of-Life (EOL) by the manufacturer (OEM).
      Allen-Bradley 1771-DS Input Module Manuals, Datasheets, Drivers, Link Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.
      This module’s input has two ways to operate. Unless paired, this module operates independently, and when this module is paired, it either responds to a certain pulse or it responds to the gate signal. The pulse that this module can capture is the minimum pulse width. With a pulse capture time of 0.1ms, 0.5ms, 1.0ms, 2.5ms, or 5.0ms, you can select the pulses by measuring the duration of some typical pulses. It is recommended that the usable capture time you select is the shortest in terms of using the paired input. And in each pulse, the 1771-DS requires time to recover and this depends on the time that you selected. In this module, there are two ways to reset the latched inputs. If you choose “master,” it resets all inputs and if you choose “individual,” it resets the individual inputs.
      • High-Speed Signal Capture:Captures inputs too fast for PLC-5 scan rate
      • Production Machinery:Pick-and-place machines and packaging equipment
      • Material Handling:Latching inputs for position or product presence
      • Industrial Automation Control:10-27V DC input module for diverse industrial setups
      • Specialized Machinery:Textile, assembly, and custom machine tool manufacturing
      This content has been produced using multiple sources.Amikon takes no responsibility for the accuracy of this information. Always consult the original equipment manufacturer for the most up to date instructions and information.
      Keying Positions: To prevent incorrect installation, use keying bands on the backplane connector between pins 2 and 4, and between pins 18 and 20.
      Module Location: Can be placed in any I/O module slot of the 1771 chassis, except for the far-left slot, which is reserved for the processor or adapter.
      Wiring Arm: Connect field wiring to the field wiring arm (1771-WH or similar, based on the specific system setup) before plugging the module into the slot.
      Field Devices: Typical devices include sensors with isolated pulse/gate outputs, proximity switches, or limit switches.
      Product

      Top Product Allen-Bradley

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