Industrial Automation » Programmable Logic Controllers (PLC)

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Used controllers

  • 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
  • Control Techniques M702-03400025A Nidec Drive

    Control Techniques M702-03400025A Nidec Drive 0.75/1.1 kw (BIN642)

    • Manufacturer: Control Techniques

    Control Techniques M702-03400025A Nidec Drive 0.75/1.1 kw Palmetto Automation Inc. of Duncan SC specializes in buying, selling, and repairing obsolete Used, Refurbished, and New industrial electronic equipment. M...

    $656 USD
    Duncan, SC
  • Control Techniques M701-06400420A 30/30 HP

    Control Techniques M701-06400420A 30/30 HP 380-480V Unidrive (BIN752)

    • Manufacturer: Control Techniques

    Control Techniques M701-06400420A 30/30 HP 380-480V Unidrive Palmetto Automation Inc. of Duncan SC specializes in buying, selling, and repairing obsolete Used, Refurbished, and New industrial electronic equipme...

    $1,394 USD
    Duncan, SC
  • Trusted Seller
    Allen Bradley 2094-PRF

    Allen Bradley 2094-PRF

    • Manufacturer: Allen-Bradley
    • Model: 2094

    Used 30 day warranty wrbin34 Mpn: 2094-PRS4 | Controller platform: Servo Controller | Type: 4-Axis Slim Power Rail | Make: Allen-Bradley

    $40 USD
    Muskegon, MI
  • Trusted Seller
    Allen-bradley Disconnect Rotary Switch

    Allen-bradley Disconnect Rotary Switch

    • Manufacturer: Allen-Bradley
    • Model: 194R

    Used, Not Test, Disconnect Rotary Switch Name: Disconnect Rotary Switch | Arrival date: 10-29-2025 | Dimensions l x w x h (inches): 11 x 9 x 7 | Weight (lb.): 3 | Available quantity: 1

    $800 USD
    Euclid, OH
  • Trusted Seller
    Allen-bradley Thermal Overload Relay, Qty:

    Allen-bradley Thermal Overload Relay, Qty: 2

    • Manufacturer: Allen-Bradley
    • Model: 193-T

    New, Open Box, Thermal Overload Relay, Qty: 2 Name: Thermal Overload Relay, Qty: 2 | Arrival date: 10-29-2025 | Dimensions l x w x h (inches): 7 x 7 x 5 | Weight (lb.): 1 | Available quantity: 1

    $100 USD
    Euclid, OH
  • Trusted Seller
    Allen Bradley Termination Panel

    Allen Bradley Termination Panel

    • Manufacturer: Allen-Bradley
    • Model: 1771

    New Open Box, Made In Usa Name: Termination Panel | Arrival date: 10-30-2025 | Dimensions l x w x h (inches): 12 x 8 x 4 | Electrical: 24V | Weight (lb.): 2 | Available quantity: 1

    $130 USD
    Euclid, OH
  • 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 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
  • Trusted Seller
    Abb Communication Board

    Abb Communication Board

    • Manufacturer: ABB
    • Model: SDCS

    New No Box Name: Communication Board | Arrival date: 10-07-2025 | Dimensions l x w x h (inches): 11 x 5 x 2 | Weight (lb.): 2 | Available quantity: 2

    $500 USD
    Euclid, OH
  • no-image_en.png

    Allen-Bradley 1771-ODD Programmable Logic Controllers (PLC)

    • Manufacturer: Allen-Bradley
    • Model: 1771-ODD

    Good condition Allen-Bradley 1771-ODD Programmable Logic Controllers (PLC)s. Located in USA and other countries. Click request price for more information.

    USA
3738394041

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.