Industrial Automation » Programmable Logic Controllers (PLC)

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Used controller

  • Trusted Seller
    Allen-Bradley 1756M1 A

    Allen-Bradley 1756M1 A

    • Manufacturer: Allen-Bradley

    New 30 day warranty WrP Controller platform: ControlLogix

    $399 USD
    Allendale, MI
  • Trusted Seller
    HONEYWELL UDC3000 DIGITAL CONTROLLER ($125

    HONEYWELL UDC3000 DIGITAL CONTROLLER ($125 OBO)

    • Manufacturer: Honeywell
    • Model: UDC

    “USED, EXCELLENT” HONEYWELL UDC3000 DIGITAL CONTROLLER 90-264VAC 50-60 HZ 18VA ***Local deliveries available, simply message us before purchasing so we can properly adjust the listing for you. Please provide your...

    $125 USD
    Waukesha, WI
  • Pepperl+Fuchs IC-KP-B6-2V15B Control Interface Unit

    Pepperl+Fuchs IC-KP-B6-2V15B Control Interface Unit 200193

    • Manufacturer: Pepperl+Fuchs

    “UNIT AS SHOWN IN PICTURES, FOR PARTS OR REPAIR ONLY, NO WARRANTY” Pepperl+Fuchs IC-KP-B6-2V15B Control Interface Unit 200193 8-14C1-61821-GX FOR PARTS OR REPAIR. This item is not eligible for a return warranty. ...

    $900 USD
    Baroda, MI
  • Pepperl+Fuchs IC-KP-B17-AIDA1 EtherNet DENT Control

    Pepperl+Fuchs IC-KP-B17-AIDA1 EtherNet DENT Control Interface Unit 213244

    • Manufacturer: Pepperl+Fuchs

    “Used item as seen in the images. No additional items are included in the sale. 30-day warranty included.” Pepperl+Fuchs IC-KP-B17-AIDA1 EtherNet DENT Control Interface Unit 213244 8-2C3-87761-JL-GX

    $1,350 USD
    Baroda, MI
  • Omron V600-CA5D02 ID Controller 24VDC

    Omron V600-CA5D02 ID Controller 24VDC 0.8A

    • Manufacturer: Omron
    • Model: V600

    “New unit as seen in the images. Item may not be in the original manufacturer packaging and may or may not have inventory sticker markings, oxidation, or shelving markings. See images. 30 DAY WARRANTY INCLUDED.” ...

    $807 USD
    Baroda, MI
  • Thomas II Power Conveyor Control,

    Thomas II Power Conveyor Control, 30 day warranty Free shipping to lower 48

    • Manufacturer: Thomas

    “Nice unit with 30 day warranty, please see pictures for condition and what's all there, next day shipping available if needed” DR-3969 Please see pictures for more info and condition Please feel free to ask any ...

    $600 USD
    Hamilton, MI
  • Trusted Seller
    Allen Bradley I/o Dual-port Ethernet

    Allen Bradley I/o Dual-port Ethernet Ip Adapter

    • Manufacturer: Allen-Bradley
    • Model: 1794

    New Open Box Name: I/o Dual-port Ethernet Ip Adapter | Arrival date: 11-05-2025 | Dimensions l x w x h (inches): 7 x 7 x 5 | Weight (lb.): 1 | Available quantity: 1

    $250 USD
    Euclid, OH
  • Trusted Seller
    Fujisoku PLC Processor Module

    Fujisoku PLC Processor Module

    • Manufacturer: Fujisoku

    New, PLC Processor Module Name: PLC Processor Module | Arrival date: 10-21-2025 | Dimensions l x w x h (inches): 5 x 3 x 2 | Weight (lb.): 1 | Available quantity: 1

    $100 USD
    Euclid, OH
  • Trusted Seller
    Honeywell Output Module

    Honeywell Output Module

    • Manufacturer: Honeywell
    • Model: 621-0010

    New Factory Sealed Name: Output Module | Arrival date: 10-20-2025 | Dimensions l x w x h (inches): 17 x 13 x 11 | Weight (lb.): 2 | Available quantity: 1

    $300 USD
    Euclid, OH
  • Trusted Seller
    Allen-bradley Armorstart Combination Starter And

    Allen-bradley Armorstart Combination Starter And Base

    • Manufacturer: Allen-Bradley
    • Model: 280D

    New Open Box Name: Armorstart Combination Starter And Base | Arrival date: 10-15-2025 | Dimensions l x w x h (inches): 21 x 17 x 15 | Electrical: 1.5-5.5AMP | Weight (lb.): 24 | Available quantity: 1

    $400 USD
    Euclid, OH
  • Trusted Seller
    Allen Bradley Output Module

    Allen Bradley Output Module

    • Manufacturer: Allen-Bradley
    • Model: 1769

    New, Factory Sealed Name: Output Module | Arrival date: 10-10-2025 | Dimensions l x w x h (inches): 7 x 7 x 5 | Weight (lb.): 1 | Available quantity: 3

    $200 USD
    Euclid, OH
  • Trusted Seller
    Allen Bradley Compact I/o

    Allen Bradley Compact I/o

    • Manufacturer: Allen-Bradley
    • Model: 1769-IQ16

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

    $100 USD
    Euclid, OH
  • Trusted Seller
    Allen Bradley Slc500 Digital Input

    Allen Bradley Slc500 Digital Input Module

    • Manufacturer: Allen-Bradley
    • Model: 1746

    New Open Box Name: Slc500 Digital Input Module | Arrival date: 10-13-2025 | Dimensions l x w x h (inches): 11 x 9 x 7 | Electrical: 15-30VDC | Weight (lb.): 1 | Available quantity: 1

    $100 USD
    Euclid, OH
  • Trusted Seller
    Allen Bradley Micrologix Digital Input

    Allen Bradley Micrologix Digital Input Module

    • Manufacturer: Allen-Bradley
    • Model: 1762

    New Open Box Name: Micrologix Digital Input Module | Arrival date: 10-13-2025 | Dimensions l x w x h (inches): 7 x 7 x 5 | Electrical: 47-63HZ, 0.05A, 120 VAC | Weight (lb.): 1 | Available quantity: 1

    $100 USD
    Euclid, OH
  • Trusted Seller
    Allen Bradley Cobination Module

    Allen Bradley Cobination Module

    • Manufacturer: Allen-Bradley
    • Model: 1769

    New Open Box Name: Cobination Module | Arrival date: 10-14-2025 | Dimensions l x w x h (inches): 7 x 7 x 5 | Electrical: 10-30 VDC | Weight (lb.): 1 | Available quantity: 1

    $125 USD
    Euclid, OH
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    ABB DI820 Programmable Logic Controllers (PLC)

    • Manufacturer: ABB
    • Model: DI820

    Good condition ABB DI820 Programmable Logic Controllers (PLC)s. Located in USA and other countries. Click request price for more information.

    USA
4344454647

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.