Industrial Automation » Programmable Logic Controllers (PLC)

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Used relay module

  • Trusted Seller
    Allen Bradley Compact I/o Ab

    Allen Bradley Compact I/o Ab Relay Output Module - 1769-oa8

    • Manufacturer: Allen-Bradley
    • Model: 1769

    New, Open Box Name: Compact I/o Ab Relay Output Module | Arrival date: 10-10-2025 | Dimensions l x w x h (inches): 7 x 7 x 5 | Weight (lb.): 1 | Available quantity: 1

    $150 USD
    Euclid, OH
  • ALLEN BRADLEY,,1745-E105,SER C RELAY OUTPUT

    ALLEN BRADLEY,,1745-E105,SER C RELAY OUTPUT EXPANSION MODULE

    • Manufacturer: Allen-Bradley
    • Model: 1745

    What's Included? See photos. We try our best to provide full details of each item and any included accessories, but if it's not shown in the photos then it will not be included with the item. 30-Day Easy Returns ...

    $20 USD
    Galion, OH
  • Trusted Seller
    ALLEN BRADLEY 1756-IV32/A Relay Module

    ALLEN BRADLEY 1756-IV32/A Relay Module Used

    • Manufacturer: Allen-Bradley
    • Model: 1756

    REV. E01 PART NO. 96359074 B01 F/W REV 3.2 24VDC Expedited shipping services are available upon request. All taxes due are the responsibility of purchaser. Visitors are welcome to inspect equipment prior to...

    $72 USD
    Holly, MI
  • Trusted Seller
    ALLEN BRADLEY 1756-IV32/A Relay Module

    ALLEN BRADLEY 1756-IV32/A Relay Module Used

    • Manufacturer: Allen-Bradley
    • Model: 1756

    1756-IV32/A CAT REV C01 PART NO 96359073 A01 SERIES A F/W REV 3.2 Expedited shipping services are available upon request. All taxes due are the responsibility of purchaser. Visitors are welcome to inspect ...

    $72 USD
    Holly, MI
  • Trusted Seller
    ALLEN BRADLEY 1769-OW16 SER A

    ALLEN BRADLEY 1769-OW16 SER A Relay Module USED

    • Manufacturer: Allen-Bradley
    • Model: 1769

    Compact I/O 1769-OW16 Series A Rev 2 F/W Rev 3.1 16 PT 5-265 VAC 5-125 VDC Expedited shipping services are available upon request. All taxes due are the responsibility of purchaser. Visitors are welcome...

    $99 USD
    Holly, MI
  • Trusted Seller
    ALLEN BRADLEY 1769-OW16 SER A

    ALLEN BRADLEY 1769-OW16 SER A Relay Module USED

    • Manufacturer: Allen-Bradley
    • Model: 1769

    Compact I/O 1769-OW16 Series A Rev 2 F/W Rev 3.1 16 PT 5-265 VAC 5-125 VDC Expedited shipping services are available upon request. All taxes due are the responsibility of purchaser. Visitors are welcome...

    $99 USD
    Holly, MI
  • Trusted Seller
    ALLEN BRADLEY 1769-OW16 SER A

    ALLEN BRADLEY 1769-OW16 SER A Relay Module USED

    • Manufacturer: Allen-Bradley
    • Model: 1769

    Compact I/O 1769-OW16 Series A Rev 2 F/W Rev 3.1 16 PT 5-265 VAC 5-125 VDC Expedited shipping services are available upon request. All taxes due are the responsibility of purchaser. Visitors are welcome...

    $99 USD
    Holly, MI
  • Trusted Seller
    ALLEN BRADLEY 1756-OW16I SERIES A

    ALLEN BRADLEY 1756-OW16I SERIES A Relay Module Used

    • Manufacturer: Allen-Bradley
    • Model: 1756

    Series A Expedited shipping services are available upon request. All taxes due are the responsibility of purchaser. Visitors are welcome to inspect equipment prior to purchase. This piece is located at Ideal ...

    $85 USD
    Holly, MI
  • Trusted Seller
    ALLEN BRADLEY 1756-OW16I SERIES A

    ALLEN BRADLEY 1756-OW16I SERIES A Relay Module USED

    • Manufacturer: Allen-Bradley
    • Model: 1756

    Series A Expedited shipping services are available upon request. All taxes due are the responsibility of purchaser. Visitors are welcome to inspect equipment prior to purchase. This piece is located at Ideal ...

    $85 USD
    Holly, MI
  • Trusted Seller
    ALLEN BRADLEY 1756-OW16I SERIES A

    ALLEN BRADLEY 1756-OW16I SERIES A Relay Module Used

    • Manufacturer: Allen-Bradley
    • Model: 1756

    Series A Expedited shipping services are available upon request. All taxes due are the responsibility of purchaser. Visitors are welcome to inspect equipment prior to purchase. This piece is located at Ideal ...

    $85 USD
    Holly, MI
  • Trusted Seller
    ALLEN BRADLEY 1756-OW16I Series A

    ALLEN BRADLEY 1756-OW16I Series A Relay Module USED

    • Manufacturer: Allen-Bradley
    • Model: 1756

    Series A Expedited shipping services are available upon request. All taxes due are the responsibility of purchaser. Visitors are welcome to inspect equipment prior to purchase. This piece is located at Ideal ...

    $85 USD
    Holly, MI
  • Allen-Bradley,800T-PDT16,Pilot Light W/ 800T-N296 Relay

    Allen-Bradley,800T-PDT16,Pilot Light W/ 800T-N296 Relay Module Lot of 3

    • Manufacturer: Allen-Bradley
    • Model: 800T

    New without original box. Please see pictures for details. You will receive exactly what’s in the pictures. Please review the pictures to make sure the part number(s) match the item you are looking to replace. If...

    $36 USD
    Galion, OH
  • Trusted Seller
    NEW OPEN BOX AB Allen-Bradley

    NEW OPEN BOX AB Allen-Bradley 1746-OW8 SLC 500 Relay Output Module STK L806CC

    • Manufacturer: Allen-Bradley
    • Model: 1746

    NEW OPEN BOX AB Allen-Bradley 1746-OW8 SLC 500 Relay Output Module STK L806CC

    $175 USD
    Montgomeryville, PA
  • Allen Bradley Digital Relay Module

    Allen Bradley Digital Relay Module 1756-OX8I /A (3C-31)

    • Manufacturer: Allen-Bradley
    • Model: 1756

    Allen Bradley 1756-OX8I Each* Taken right out of plant production due to plant consolidation and closure. Rechecked and tested by our in house technicians. Palmetto Automation Inc. of Duncan SC specializes in buy...

    $149 USD
    Duncan, SC
  • Trusted Seller
    Allen-Bradley 1769-OW16 16ch Digital Output

    Allen-Bradley 1769-OW16 16ch Digital Output Relay Module

    • Manufacturer: Allen-Bradley
    • Model: 1769

    1 in stock Experience the reliability and efficiency of the Allen-Bradley 1769-OW16, a 16-channel digital output relay module designed for streamlined industrial automation. This module is part of the renowned Lo...

    $40 USD
    New York, USA
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Overview

Programmable Logic Controllers (PLCs) are essential components in industrial automation, used for controlling machinery and processes in manufacturing, production lines, and other automated systems. They are designed to handle multiple inputs and outputs, offering reliable, flexible, and scalable solutions for complex control tasks. PLCs are known for their robustness and ability to operate in harsh industrial environments.

FAQ

What factors should I consider when purchasing a PLC?

Consider the number of input/output points required, the processing speed, memory capacity, compatibility with existing systems, and the specific application needs. Also, check for the availability of technical support and software updates.

How can I ensure safe shipping of a PLC?

Use a reputable shipping service that specializes in delicate electronic equipment. Ensure the PLC is packaged securely with ample padding to protect against shocks and vibrations during transit.

What are the maintenance requirements for a PLC?

Regularly inspect the PLC for dust and debris, ensure proper ventilation, and check connections for any signs of wear or corrosion. Follow the manufacturer's guidelines for firmware updates and system diagnostics to ensure optimal performance.