Industrial Automation » Programmable Logic Controllers (PLC)

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Used controllers

  • Trusted Seller
    HONEYWELL UDC3300 DC330B-KE-003-10-000000-00-0 TEMPERATURE CONTROLLER

    HONEYWELL UDC3300 DC330B-KE-003-10-000000-00-0 TEMPERATURE CONTROLLER #H548A

    • Manufacturer: Honeywell
    • Model: UDC

    NEW NO BOX HONEYWELL UDC3300 DC330B-KE-003-10-000000-00-0 TEMPERATURE CONTROLLER #H548A

    $950 USD
    Montgomeryville, PA
  • EUROTHERM Control #2108I/AL/RD/VH , HEHI-2401

    EUROTHERM Control #2108I/AL/RD/VH , HEHI-2401

    • Manufacturer: Eurotherm

    Hehi-2401 Please see pictures for more information and item conditions. Please feel free to ask any questions We are always looking for new and used industrial items so please let me know if you have anything tha...

    $399 USD
    Hamilton, MI
  • Keyence GC-R45 Remote I/O Safety

    Keyence GC-R45 Remote I/O Safety Controller Module 5-Pin

    • Manufacturer: Keyence

    Keyence GC-R45 Remote I/O Safety Controller Module 5-Pin 4-W6J-83095-JL-EW

    $950 USD
    Baroda, MI
  • Trusted Seller
    Allen-bradley Panelview Plus 1000 Operator

    Allen-bradley Panelview Plus 1000 Operator Panel

    • Manufacturer: Allen-Bradley
    • Model: 2711

    Used, Powers On But Cannot Test Further. Name: Panelview Plus 1000 Operator Panel | Arrival date: 10-28-2025 | Dimensions l x w x h (inches): 15 x 11 x 9 | Weight (lb.): 6 | Available quantity: 1

    $550 USD
    Euclid, OH
  • Trusted Seller
    Allen-bradley Safety Contactor

    Allen-bradley Safety Contactor

    • Manufacturer: Allen-Bradley
    • Model: 100S

    Used, No Box, Safety Contactor, Made In Switzerland

    $150 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 Compact I/o Ab

    Allen Bradley Compact I/o Ab Relay Output Module

    • 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

    $200 USD
    Euclid, OH
  • Trusted Seller
    Allen Bradley PLC Module/output Module

    Allen Bradley PLC Module/output Module Rack

    • Manufacturer: Allen-Bradley
    • Model: 1769

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

    $300 USD
    Euclid, OH
  • Trusted Seller
    Allen Bradley Digital Output Module

    Allen Bradley Digital Output Module

    • Manufacturer: Allen-Bradley
    • Model: 1746

    New, Open Box Name: Digital 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

    $125 USD
    Euclid, OH
  • Trusted Seller
    Allen Bradley Address Reserve Module

    Allen Bradley Address Reserve Module

    • Manufacturer: Allen-Bradley
    • Model: 1769

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

    $500 USD
    Euclid, OH
  • Trusted Seller
    Allen Bradley Compact I/o

    Allen Bradley Compact I/o

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

    New, Factory Sealed 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

    $125 USD
    Euclid, OH
  • Trusted Seller
    Allen Bradley Analog Input Module

    Allen Bradley Analog Input Module

    • Manufacturer: Allen-Bradley
    • Model: 1746

    New Open Box Name: Analog Input Module | Arrival date: 10-13-2025 | Dimensions l x w x h (inches): 11 x 9 x 7 | Electrical: 20A, 10VDC | Weight (lb.): 1 | Available quantity: 1

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

    Allen Bradley Input Module

    • Manufacturer: Allen-Bradley
    • Model: 1746-IB16

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

    $100 USD
    Euclid, OH
  • Trusted Seller
    Allen Bradley Micrologix Source Output

    Allen Bradley Micrologix Source Output

    • Manufacturer: Allen-Bradley
    • Model: 1762

    New Factory Sealed Name: Micrologix Source Output | Arrival date: 10-13-2025 | Dimensions l x w x h (inches): 7 x 7 x 5 | Weight (lb.): 1 | Available quantity: 1

    $100 USD
    Euclid, OH
  • Trusted Seller
    Abb Teach Pendant

    Abb Teach Pendant

    • Manufacturer: ABB
    • Model: 3HNA

    Used Name: Teach Pendant | Arrival date: 10-14-2025 | Dimensions l x w x h (inches): 14 x 14 x 4 | Weight (lb.): 4 | Available quantity: 1

    $500 USD
    Euclid, OH
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    Mitsubishi Q68 Programmable Logic Controllers (PLC)

    • Manufacturer: Mitsubishi
    • Model: Q68

    Good condition Mitsubishi Q68 Programmable Logic Controllers (PLC)s. Located in USA and other countries. Click request price for more information.

    USA
4142434445

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.