Industrial Automation » Programmable Logic Controllers (PLC)

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  • Trusted Seller
    Siemens 6ES5445-3AA12

    Siemens 6ES5445-3AA12

    • Manufacturer: Siemens
    • Model: 6ES

    You are buying one (1) Siemens digital output module 6ES5445-3AA12. It is new in box.

    $545 USD
    Austinville, VA
  • Omron 3G8B3-MO002

    Omron 3G8B3-MO002

    • Manufacturer: Omron

    Home Contact About Technology Industrial Lab & Test Electrical Semiconductor Omron 3G8B3-MO002 CPU Board PLC Controller Processor Card MC68000R8 Manufacturer: Omron Model: 3G8B3-MO002 Condition: Used The photos s...

    $550 USD
    Leander, TX
  • Trusted Seller
    ALLEN BRADLEY 1769-L18ER-BB1B Relay Used

    ALLEN BRADLEY 1769-L18ER-BB1B Relay Used

    • Manufacturer: Allen-Bradley
    • Model: 1769

    1769-L18ER-BB1B 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 ...

    $685 USD
    Holly, MI
  • Trusted Seller
    Allen-Bradley 1769-PB3 Ser A For

    Allen-Bradley 1769-PB3 Ser A For Parts

    • Manufacturer: Allen-Bradley
    • Model: 1769

    Came from a working unit 30 Wr13 Bin1 for parts

    $400 USD
    Muskegon, MI
  • Trusted Seller
    SIEMENS 6ES5244-3AA22 Circuit Board Used

    SIEMENS 6ES5244-3AA22 Circuit Board Used

    • Manufacturer: Siemens
    • Model: 6ES5244-3AA22

    6ES5244-3AA22 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 I...

    $720 USD
    Holly, MI
  • Trusted Seller
    SIEMENS 6ES5244-3AA21 Circuit Board Used

    SIEMENS 6ES5244-3AA21 Circuit Board Used

    • Manufacturer: Siemens
    • Model: 6ES

    6ES5244-3AA21 Removed from: 120 Ton Van Dorn Injection Molding Machine Model: 120-RS-8F-HT Serial: 356 Expedited shipping services are available upon request. All taxes due are the responsibility of purchas...

    $420 USD
    Holly, MI
  • Trusted Seller
    ALLEN-BRADLEY 2711-T9A8

    ALLEN-BRADLEY 2711-T9A8

    • Manufacturer: Allen-Bradley
    • Model: 2711

    🖥️ Technical Sheet – ALLEN-BRADLEY 2711-T9A8 (Used) 🧩 General Information: - Brand: Allen-Bradley (by Rockwell Automation) - Catalog Number: 2711-T9A8 - Series: PanelView Standard 900 - Device Type: Human-Machi...

    $215 USD
    Delson, Canada
  • Trusted Seller
    SIEMENS 6ES5244-3AA22 Circuit Board Used

    SIEMENS 6ES5244-3AA22 Circuit Board Used

    • Manufacturer: Siemens
    • Model: 6ES5244-3AA22

    6ES5244-3AA22 SIMATIC 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 loc...

    $720 USD
    Holly, MI
  • Allen-Bradley Part No: 1756-DNB Series

    Allen-Bradley Part No: 1756-DNB Series A ControlLogix Communication Module F/W Rev. 3.010

    • Manufacturer: Allen-Bradley
    • Model: 1756-DNB/A

    Allen-Bradley 1756-DNB Series A ControlLogix Communication Module F/W Rev. 3.010 (2) Available

    $200 USD
    Toledo, OH
  • Allen-Bradley 1769-OF8V

    Allen-Bradley 1769-OF8V

    • Manufacturer: Allen-Bradley
    • Model: 1769

    New Sealed Allen Bradley 1769-OF8V /A CompactLogix 8-Ch Analog Output In new working and cosmetic condition. Never used. Sealed. I will ship within one business day. International buyers are welcome Feel free to ...

    $600 USD
    Houston, TX
  • Trusted Seller
    Sick WTB-3P3161

    Sick WTB-3P3161

    • Manufacturer: Sick

    PLEASE REVIEW: We would ask that potential buyers please examine the photographs carefully, and understand what you are buying. All questions must be submitted PRIOR to auction close. No warranty is implied or of...

    $120 USD
    Suwanee, GA
  • Trusted Seller
    Siemens Simatic S7-300 Analog Input

    Siemens Simatic S7-300 Analog Input Sm331 Module

    • Manufacturer: Siemens
    • Model: 6ES

    New Open Box Name: Simatic S7-300 Analog Input Sm331 Module | Arrival date: 08-14-2025 | Dimensions l x w x h (inches): 7 x 7 x 5 | Weight (lb.): 1 | Available quantity: 1

    $300 USD
    Euclid, OH
  • Trusted Seller
    Siemens 6ES5 252-3AA21 Simatic Analog

    Siemens 6ES5 252-3AA21 Simatic Analog I/O Closed Loop Control Module

    • Manufacturer: Siemens
    • Model: 6ES

    Used, in Good Working Condition. If this item ships as Flat Rate Freight please see details in Shipping tab

    $752 USD
    Millersburg, IN
  • Trusted Seller
    Siemens 6ES5 244-3AA21 PLC Slot

    Siemens 6ES5 244-3AA21 PLC Slot Card Circuit Board Module

    • Manufacturer: Siemens
    • Model: 6ES

    Used, in Good Working Condition. If this item ships as Flat Rate Freight please see details in Shipping tab

    $850 USD
    Millersburg, IN
  • Trusted Seller
    Siemens 6ES5 252-3AA21 Simatic Analog

    Siemens 6ES5 252-3AA21 Simatic Analog I/O Closed Loop Control Module

    • Manufacturer: Siemens
    • Model: 6ES

    Used, in Good Working Condition. Has Adapter Casing 6ES5 491-0LB11 If this item ships as Flat Rate Freight please see details in Shipping tab

    $752 USD
    Millersburg, IN
89101112

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.