Industrial Automation » Programmable Logic Controllers (PLC)

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Used controller

  • Keyence LJ-X8000A Raw Data Output

    Keyence LJ-X8000A Raw Data Output Controller for Single Head

    • Manufacturer: Keyence
    • Model: LJ-X8000A

    “Used item as seen in the images. No additional items are included in the sale. 30-day warranty included.” Keyence LJ-X8000A Raw Data Output Controller for Single Head 9-21A2-104371-JL-ZY

    $2,700 USD
    Baroda, MI
  • Siemens 6SL3040-1MA01-0AA0 SINAMICS Control Unit

    Siemens 6SL3040-1MA01-0AA0 SINAMICS Control Unit CU320-2

    • Manufacturer: Siemens
    • Model: 6SL

    Siemens 6SL3040-1MA01-0AA0 SINAMICS Control Unit CU320-2 2-G5A-100750-ZJ-YA

    $950 USD
    Baroda, MI
  • Allen-Bradley 1780-CNC Ser C Controlnet

    Allen-Bradley 1780-CNC Ser C Controlnet Daughter Card. 3C-20

    • Manufacturer: Allen-Bradley

    Allen-Bradley 1780-CNC Ser C Controlnet Daughter Card. 3C-20 We repair all types of industrial automation including AC Servo Drives, Servo Motors, Operator Interface Panels, PLC's, Sensors, Process Contr...

    $109 USD
    Duncan, SC
  • RELIANCE ELECTRIC AUTOMATE I/O CONTROLLER

    RELIANCE ELECTRIC AUTOMATE I/O CONTROLLER #45C1A W/CARDS (Lot of 2) 3E-14

    • Manufacturer: Reliance Electric

    Used automation parts pulled from storage or the working environment. Tested to the best of our ability. Shows signs of normal use. Here at Palmetto Automation Inc. we endeavor to provide otherwise high cost part...

    $65 USD
    Duncan, SC
  • Det-Tronics R8471-H1004 Gas Controller R8471A

    Det-Tronics R8471-H1004 Gas Controller R8471A 005479-001 / 005505-005R FREE SHIP

    • Manufacturer: Det-Tronics

    “NEW OLD STOCK NEVER USED NO BOX” PLEASE READ THE ENTIRE LISTING SO YOU UNDERSTAND EXACTLY WHAT YOU ARE BUYING YOU ARE PURCHASING THE CONTROLLER BOARD THAT IS PICTURED UNIT IS NEW OLD STOCK NEVER USED COMES AS PI...

    $999 USD
    Canton, MI
  • Trusted Seller
    Bendix S5 DC Output Grounding

    Bendix S5 DC Output Grounding 24v I/F CR5

    • Manufacturer: Unbranded

    Came from working unit 30 day warranty WrC Controller platform: S5

    $800 USD
    Allendale, MI
  • Trusted Seller
    Allen-bradley Safety Contactor

    Allen-bradley Safety Contactor

    • Manufacturer: Allen-Bradley
    • Model: 100S

    New, No Box, Safety Contactor, Made In Switzerland

    $150 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, Factory Sealed 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

    $150 USD
    Euclid, OH
  • Trusted Seller
    Allen Bradley PLC Module

    Allen Bradley PLC Module

    • Manufacturer: Allen-Bradley
    • Model: 1762

    New, Factory Sealed Name: PLC Module | Arrival date: 10-10-2025 | Dimensions l x w x h (inches): 7 x 7 x 5 | Weight (lb.): 1 | Available quantity: 2

    $100 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: 1

    $175 USD
    Euclid, OH
  • Trusted Seller
    Allen Bradley PLC Module Rack

    Allen Bradley PLC Module Rack Slc 500 Series

    • Manufacturer: Allen-Bradley
    • Model: 1747-L531

    New,open Box Name: PLC Module Rack Slc 500 Series | Arrival date: 10-10-2025 | Dimensions l x w x h (inches): 11 x 9 x 7 | Weight (lb.): 1 | Available quantity: 1

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

    Allen Bradley Scanner Module

    • Manufacturer: Allen-Bradley
    • Model: 1747

    New Open Box Name: Scanner Module | Arrival date: 10-13-2025 | Dimensions l x w x h (inches): 9 x 9 x 9 | Electrical: 5-24 VDC | Weight (lb.): 1 | Available quantity: 1

    $200 USD
    Euclid, OH
  • Trusted Seller
    Allen Bradley Slc500 Processor Unit

    Allen Bradley Slc500 Processor Unit

    • Manufacturer: Allen-Bradley
    • Model: 1747-L551

    New Open Box Name: Slc500 Processor Unit | Arrival date: 10-13-2025 | Dimensions l x w x h (inches): 11 x 9 x 7 | Electrical: 24VDC | Weight (lb.): 1 | Available quantity: 1

    $999 USD
    Euclid, OH
  • Trusted Seller
    Allen Bradley Ac Output Module

    Allen Bradley Ac Output Module

    • Manufacturer: Allen-Bradley
    • Model: 1746-OA16

    New Open Box Name: Ac Output Module | Arrival date: 10-13-2025 | Dimensions l x w x h (inches): 7 x 7 x 5 | Electrical: 50/60/85-265, 0.5A | Weight (lb.): 1 | Available quantity: 1

    $500 USD
    Euclid, OH
  • Trusted Seller
    Allen Bradley Compactlogix Output Module

    Allen Bradley Compactlogix Output Module

    • Manufacturer: Allen-Bradley
    • Model: 1769

    New Factory Sealed Name: Compactlogix Output Module | Arrival date: 10-14-2025 | Dimensions l x w x h (inches): 7 x 7 x 5 | Electrical: 100/240 VAC | Weight (lb.): 1 | Available quantity: 1

    $200 USD
    Euclid, OH
  • no-image_en.png

    Honeywell RM7838B1013 Programmable Logic Controllers (PLC)

    • Manufacturer: Honeywell
    • Model: RM7838B1013

    Good condition Honeywell RM7838B1013 Programmable Logic Controllers (PLC)s. Located in USA and other countries. Click request price for more information.

    USA
3637383940

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.