Industrial Automation » Programmable Logic Controllers (PLC)

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Used programmable logic controls

  • Trusted Seller
    Allen Bradley Digital Output Module

    Allen Bradley Digital Output Module

    • Manufacturer: Allen-Bradley
    • Model: 1756

    Used Name: Digital Output Module | Arrival date: 07-25-2025 | Dimensions l x w x h (inches): 11 x 9 x 7 | Electrical: 0.5A OUTPUTS, 74-265VAC | Weight (lb.): 6 | Available quantity: 1

    $190 USD
    Euclid, OH
  • Trusted Seller
    Allen Bradley Controllogix Output Module

    Allen Bradley Controllogix Output Module

    • Manufacturer: Allen-Bradley
    • Model: 1756

    New Open Box Name: Controllogix Output Module | Arrival date: 07-25-2025 | Dimensions l x w x h (inches): 11 x 9 x 7 | Electrical: 0.5A OUTPUTS, 10mA, 120-240 VAC | Weight (lb.): 6 | Available quantity: 3

    $220 USD
    Euclid, OH
  • Trusted Seller
    Allen Bradley Ethernet/ip Safety Compact

    Allen Bradley Ethernet/ip Safety Compact Block Input Module

    • Manufacturer: Allen-Bradley
    • Model: 1791

    New Factory Sealed Name: Ethernet/ip Safety Compact Block Input Module | Arrival date: 07-28-2025 | Dimensions l x w x h (inches): 11 x 9 x 7 | Capacity: 16 INPUTS | Weight (lb.): 6 | Available quantity: 6

    $288 USD
    Euclid, OH
  • Trusted Seller
    Allen Bradley Compactlogix Ac Digital

    Allen Bradley Compactlogix Ac Digital 16 Point Input Module

    • Manufacturer: Allen-Bradley
    • Model: 1769

    New Open Box Name: Compactlogix Ac Digital 16 Point Input Module | Arrival date: 08-08-2025 | Dimensions l x w x h (inches): 7 x 7 x 7 | Weight (lb.): 6 | Available quantity: 1

    $120 USD
    Euclid, OH
  • Trusted Seller
    Allen Bradley Dataliner Message Display

    Allen Bradley Dataliner Message Display Module

    • Manufacturer: Allen-Bradley
    • Model: 2706

    New Open Box Name: Dataliner Message Display Module | Arrival date: 04-28-2025 | Dimensions l x w x h (inches): 15 x 11 x 9 | Electrical: 0.17-0.37A50/60Hz, 100-240VAC | Weight (lb.): 14 | Available quantity: 1

    $100 USD
    Euclid, OH
  • Trusted Seller
    Mitsubishi Inverter Unit

    Mitsubishi Inverter Unit

    • Manufacturer: Mitsubishi
    • Model: FR-E

    New Factory Sealed Name: Inverter Unit | Arrival date: 04-17-2025 | Dimensions l x w x h (inches): 9 x 9 x 9 | Weight (lb.): 8 | Available quantity: 1

    $100 USD
    Euclid, OH
  • Dynatrol,Mod-2kL,API Digital Density Converter Controller

    Dynatrol,Mod-2kL,API Digital Density Converter Controller

    • Manufacturer: Dynatrol

    “USED IN GOOD CONDITION” USED IN GOOD CONDITION 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...

    $800 USD
    Galion, OH
  • STI Omron,14545-0020,Safety Mat Controller Rev

    STI Omron,14545-0020,Safety Mat Controller Rev D

    • Manufacturer: STI

    “New unused without original box NOS.” New unused without original box NOS. Please see pictures for details and condition. You will receive what’s in the pictures. If we have multiples of the same item, the pictu...

    $600 USD
    Galion, OH
  • NORDSON,1123541,CONTROLLER PC BOARD NEW

    NORDSON,1123541,CONTROLLER PC BOARD NEW

    • Manufacturer: Nordson

    “New without original box.” New without original box. Please see pictures for details and condition. You will receive what’s in the pictures. If we have multiples of the same item, the pictures may differ. Pleas...

    $520 USD
    Galion, OH
  • Trusted Seller
    MO-5760, BENTLY NEVADA 3500 MODULAR

    MO-5760, BENTLY NEVADA 3500 MODULAR RACK SYSTEM W/ MONITOR AND CONTROLS

    • Manufacturer: Bently Nevada

    “Contact us directly for a freight quote or you can setup your own freight. Please provide ship to address. Loading is included with the sale of the item.”

    $14,999 USD
    Willoughby, OH
  • 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
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    Siemens Simatic S7-200 Programmable Logic Controllers (PLC)

    • Manufacturer: Siemens
    • Model: Simatic S7-200

    Good condition Siemens Simatic S7-200 Programmable Logic Controllers (PLC)s. Located in France and other countries. Click request price for more information.

    France
2122232425

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.