Industrial Automation » Programmable Logic Controllers (PLC)

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73150

Used ac controllers

  • Trusted Seller
    Siemens Sinamics S120 Control Unit

    Siemens Sinamics S120 Control Unit

    • Manufacturer: Siemens
    • Model: 6SL

    New Open Box Name: Sinamics S120 Control Unit | Arrival date: 09-30-2025 | Dimensions l x w x h (inches): 9 x 9 x 9 | Electrical: 3.3A, 24VDC | Weight (lb.): 3 | Available quantity: 1

    $500 USD
    Euclid, OH
  • Trusted Seller
    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

    $721 USD
    Euclid, OH
  • Trusted Seller
    Allen Bradley Armor Start Control

    Allen Bradley Armor Start Control Module

    • Manufacturer: Allen-Bradley
    • Model: 280D

    Ser C, New Open Box Name: Armor Start Control Module | Arrival date: 09-06-2025 | Dimensions l x w x h (inches): 16 x 12 x 20 | Capacity: 3 METER | Electrical: 24 V | Weight (lb.): 24 | Available quantity: 1

    $400 USD
    Euclid, OH
  • Trusted Seller
    Metasys by Johnson Controls VMA1630

    Metasys by Johnson Controls VMA1630 Controller Program Box 24vAC 2.5A In/.5A Out

    • Manufacturer: Johnson

    PLEASE REVIEW: We would ask that potential buyers please examine the photographs carefully, and understand what you are buying. All questions should be submitted prior to your purchase. *Your purchase includes a ...

    $75 USD
    Suwanee, GA
  • Trusted Seller
    Omron Cj-series Controller Link Unit

    Omron Cj-series Controller Link Unit

    • Manufacturer: Omron
    • Model: CJ1W

    New Open Box Name: Cj-series Controller Link Unit | Arrival date: 07-16-2025 | Dimensions l x w x h (inches): 7 x 7 x 5 | Capacity: 2000 KBIT/S MAX DATA RATE | Weight (lb.): 6 | Available quantity: 21

    $110 USD
    Euclid, OH
  • Trusted Seller
    Industrial Control DCT1006 Board Timer

    Industrial Control DCT1006 Board Timer Controller *NEW*

    • Manufacturer: Industrial Control

    PLEASE REVIEW: We would ask that potential buyers please examine the photographs carefully, and understand what you are buying. All questions should be submitted prior to your purchase. We're happy to help and we...

    $300 USD
    Suwanee, GA
  • CONTROL CONCEPTS CONTROL CONCEPTS 1029-C-V-120V-50A-R420MA-IPOT

    CONTROL CONCEPTS CONTROL CONCEPTS 1029-C-V-120V-50A-R420MA-IPOT

    • Manufacturer: CONTROL CONCEPTS

    “Used, very good condition.” 1029CV120V50AR420MAIPOT DISCONTINUED BY MANUFACTURER SCR POWER CONTROLLER 50AMP 120VAC 1PHASE 50/60HZ

    $200 USD
    Waukesha, WI
  • Trusted Seller
    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
  • MINT CONDITION Nidec Control Techniques

    MINT CONDITION Nidec Control Techniques M600-034 00031 1.1/1.5 k

    • Manufacturer: Control Techniques

    “NEW SURPLUS” Shipping Note: Please send us an email to request rush same day shipping if it is an urgent breakdown. We ship worldwide and will on occasion require customers UPS/DHL/FEDEX account to ship to over...

    $1,510 USD
    Niagara Falls, NY
  • Trusted Seller
    RED LION CONTROLS PAXH0000 PANEL

    RED LION CONTROLS PAXH0000 PANEL METER PAXH 85-250VAC 50/60Hz 15VA

    • Manufacturer: Red Lion Controls

    “Tested” 🔥 RED LION CONTROLS PAXH0000 PANEL METER PAXH 85-250VAC 50/60Hz 15VA INV# P-1067

    $250 USD
    Henderson, KY
  • Trusted Seller
    Genuine Allen Bradley 1756-L71K Controllogix

    Genuine Allen Bradley 1756-L71K Controllogix 2mb Controller Module Ser B

    • Manufacturer: Allen-Bradley

    Model number: 1756-L71K | Series: SER B | Mpn: 1756-L71K | Controller platform: ControlLogix | Shipping weight: 2 lbs | Shipping dimensions: 9 x 7 x 2 in | Reference sku: 1033864

    $5,451 USD
    Delta, OH
  • Spectrum Controls Spectrum Controls 1769sc-OF4IH

    Spectrum Controls Spectrum Controls 1769sc-OF4IH

    • Manufacturer: Spectrum Controls

    “Excellent working condition” The Spectrum Controls 1769sc-OF4IH is a 4-channel isolated analog output module designed for use in conjunction with Allen-Bradley CompactLogix PLCs. Here are some key details about ...

    $530 USD
    Acworth, GA
  • AC Autotech Controls PLS SAC-M1050-A10,

    AC Autotech Controls PLS SAC-M1050-A10, Model 1050 Programmable Limit Switch

    • Manufacturer: Autotech Controls

    “Selling as-is. For Parts, or repair.30 day warranty.” AC Autotech Controls PLS SAC-M1050-A10, Model 1050 Programmable Limit Switch This item is not eligible for a return warranty. This item is being sold as is, ...

    $770 USD
    Baroda, MI
  • Trusted Seller
    JORDAN CONTROLS 50A-042585-001

    JORDAN CONTROLS 50A-042585-001

    • Manufacturer: JORDAN CONTROLS

    “Board has been factory refurbished, tested and runs properly, GREAT CONDITION” Jordan Controls 50A-042585-001 Display Assembly Board Rev A FACTORY REFURBISHED Board has been factory refurbished, tested and runs ...

    $1,692 USD
    Gilbert, IA
  • Allen-Bradley MEMORY CONTROLLER PROCESSOR

    Allen-Bradley MEMORY CONTROLLER PROCESSOR

    • Manufacturer: Allen-Bradley

    New in original box. Please see pictures for details and condition. You will receive what’s in the pictures. If we have multiples of the same item, the pictures may differ. Please review the pictures to make sur...

    $7,000 USD
    Galion, OH
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    Allen-Bradley SLC5 Programmable Logic Controllers (PLC)

    • Manufacturer: Allen-Bradley
    • Model: SLC5

    Good condition Allen-Bradley SLC5 Programmable Logic Controllers (PLC)s. Located in USA and other countries. Click request price for more information.

    USA
45678

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.