Industrial Automation » Programmable Logic Controllers (PLC)

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Used open box

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    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
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    Allen Bradley Compact Logix Communications

    Allen Bradley Compact Logix Communications Module

    • Manufacturer: Allen-Bradley
    • Model: 1769

    New Open Box Name: Compact Logix Communications Module | Arrival date: 06-26-2025 | Dimensions l x w x h (inches): 9 x 9 x 9 | Electrical: 1.4A @ 24V, 30V CONTINUOUS | Weight (lb.): 6 | Available quantity: 1

    $230 USD
    Euclid, OH
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    Siemens Microbox Pc Unit

    Siemens Microbox Pc Unit

    • Manufacturer: Siemens
    • Model: 6BK

    New Open Box Name: Microbox Pc Unit | Arrival date: 07-02-2025 | Dimensions l x w x h (inches): 15 x 11 x 9 | Electrical: 24VDC | Weight (lb.): 11 | Available quantity: 1

    $1,699 USD
    Euclid, OH
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    Allen-bradley Compactlogix 1mb Motion Controller

    Allen-bradley Compactlogix 1mb Motion Controller

    • Manufacturer: Allen-Bradley
    • Model: 1769

    New Open Box Name: Compactlogix 1mb Motion Controller | Arrival date: 07-08-2025 | Dimensions l x w x h (inches): 9 x 9 x 9 | Weight (lb.): 6 | Available quantity: 1

    $849 USD
    Euclid, OH
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    Siemens Scalance S602 Security Ethernet

    Siemens Scalance S602 Security Ethernet Module

    • Manufacturer: Siemens
    • Model: 6GK

    New Open Box Name: Scalance S602 Security Ethernet Module | Arrival date: 07-10-2025 | Dimensions l x w x h (inches): 11 x 9 x 7 | Weight (lb.): 8 | Available quantity: 1

    $599 USD
    Euclid, OH
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    Allen Bradley Slc500 Rtd Resistance

    Allen Bradley Slc500 Rtd Resistance Input Module

    • Manufacturer: Allen-Bradley
    • Model: 1746

    New Open Box Name: Slc500 Rtd Resistance Input Module | Arrival date: 07-25-2025 | Dimensions l x w x h (inches): 11 x 9 x 7 | Weight (lb.): 6 | Available quantity: 1

    $150 USD
    Euclid, OH
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    Allen Bradley Controllogix Network Interface

    Allen Bradley Controllogix Network Interface Module

    • Manufacturer: Allen-Bradley
    • Model: 1756

    New Open Box Name: Controllogix Network Interface Module | Arrival date: 07-25-2025 | Dimensions l x w x h (inches): 11 x 9 x 7 | Capacity: 10/100MBPS, 128 TCP/IP CONNECTIONS | Weight (lb.): 6 | Available quantit...

    $594 USD
    Euclid, OH
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    Allen Bradley Safety Contactor

    Allen Bradley Safety Contactor

    • Manufacturer: Allen-Bradley
    • Model: 100S

    New Open Box Name: Safety Contactor | Arrival date: 05-30-2025 | Dimensions l x w x h (inches): 11 x 9 x 7 | Electrical: 110A, 24VDC | Weight (lb.): 14 | Available quantity: 1

    $432 USD
    Euclid, OH
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    Allen Bradley Dc Power Supply

    Allen Bradley Dc Power Supply Unit 1606-xl Series

    • Manufacturer: Allen-Bradley
    • Model: 1606-XL240E

    New Open Box Name: Dc Power Supply Unit 1606-xl Series | Arrival date: 05-16-2025 | Dimensions l x w x h (inches): 9 x 9 x 9 | Electrical: 24-28VDC, 100-240VAC | Weight (lb.): 7 | Available quantity: 1

    $230 USD
    Euclid, OH
  • Trusted Seller
    Omron PLC Module

    Omron PLC Module

    • Manufacturer: Omron
    • Model: C200H

    New Open Box Name: PLC Module | Arrival date: 05-14-2025 | Dimensions l x w x h (inches): 9 x 9 x 9 | Electrical: 12-24VDC | Weight (lb.): 6 | Available quantity: 1

    $100 USD
    Euclid, OH
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    Mitsubishi Programmable Controller Module

    Mitsubishi Programmable Controller Module

    • Manufacturer: Mitsubishi
    • Model: AJ35

    New Open Box Name: Programmable Controller Module | Arrival date: 03-20-2025 | Dimensions l x w x h (inches): 11 x 9 x 7 | Electrical: 24VDC | Weight (lb.): 7 | Available quantity: 1

    $120 USD
    Euclid, OH
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    Allen Bradley Power Supply Module

    Allen Bradley Power Supply Module Series-a

    • Manufacturer: Allen-Bradley
    • Model: 1606

    New Open Box Name: Power Supply Module Series-a | Arrival date: 09-24-2025 | Dimensions l x w x h (inches): 7 x 7 x 7 | Weight (lb.): 2 | Available quantity: 1

    $175 USD
    Euclid, OH
  • Trusted Seller
    Allen Bradley Power Supply Module

    Allen Bradley Power Supply Module Series-b

    • Manufacturer: Allen-Bradley
    • Model: 1606

    New Open Box Name: Power Supply Module Series-b | Arrival date: 09-24-2025 | Dimensions l x w x h (inches): 7 x 7 x 7 | Weight (lb.): 2 | Available quantity: 1

    $175 USD
    Euclid, OH
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    Siemens Sinamics G120d Control Unit

    Siemens Sinamics G120d Control Unit

    • Manufacturer: Siemens
    • Model: 6SL

    New Open Box Name: Sinamics G120d Control Unit | Arrival date: 09-03-2025 | Dimensions l x w x h (inches): 13 x 11 x 9 | Weight (lb.): 3 | Available quantity: 1

    $500 USD
    Euclid, OH
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    Mitsubishi High Speed Counter Module

    Mitsubishi High Speed Counter Module

    • Manufacturer: Mitsubishi
    • Model: AJ65

    New Open Box Name: High Speed Counter Module | Arrival date: 08-11-2025 | Dimensions l x w x h (inches): 9 x 9 x 9 | Capacity: 200 KPPS MAX COUNT SPEED | Electrical: 70mA, 24VDC | Weight (lb.): 1 | Available quan...

    $175 USD
    Euclid, OH
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.