Industrial Automation » Programmable Logic Controllers (PLC)

Search By Manufacturer

Search By Country

Building Filters

77975

Used Programmable Logic Controllers (Plc)

  • Trusted Seller
    Siemens MICROMASTER 420 6SE6420-2UD21-1AA1

    Siemens MICROMASTER 420 6SE6420-2UD21-1AA1

    • Manufacturer: Siemens
    • Model: 6SE

    SIEMENS MICROMASTER 420 VARIABLE SPEED DRIVE, 6SE6420-2UD21-1AA1, Unfiltered 3AC 380-480V +10/-10% 47-63Hz, Constant Torque Power 1.1 kW, Variable Torque Power 1.1 kW, Protection IP20, Ambient Temp -10 to +50 Deg...

    Cincinnati, OH
  • LOVE CONTROLS,MODEL 49,PROPORTIONING CONTROLLER

    LOVE CONTROLS,MODEL 49,PROPORTIONING CONTROLLER

    • Manufacturer: LOVE CONTROLS

    What's Included? See photos. We try our best to provide full details of each item and any included accessories, but if it's not shown in the photos then it will not be included with the item. 30-Day Easy Returns ...

    $40 USD
    Galion, OH
  • MITSUBISHI,Q38B,8 SLOTS PLC RACK

    MITSUBISHI,Q38B,8 SLOTS PLC RACK

    • Manufacturer: Mitsubishi
    • Model: Q38B

    What's Included? See photos. We try our best to provide full details of each item and any included accessories, but if it's not shown in the photos then it will not be included with the item. 30-Day Easy Returns ...

    $16 USD
    Galion, OH
  • Trusted Seller
    RTA 435NBX ASCII PLC

    RTA 435NBX ASCII PLC

    • Manufacturer: RTA

    Came from working unit 30 day warranty Wr1 Mpn: 435NBX | Item location: sd 24

    $299 USD
    Muskegon, MI
  • MODICON,AS-H819-100,CHASSIS 7 SLOT PLC RACK

    MODICON,AS-H819-100,CHASSIS 7 SLOT PLC RACK 19"

    • Manufacturer: Modicon

    What's Included? See photos. We try our best to provide full details of each item and any included accessories, but if it's not shown in the photos then it will not be included with the item. 30-Day Easy Returns ...

    $115 USD
    Galion, OH
  • ALLEN BRADLEY,1745-E101,PLC EXPANSION UNIT

    ALLEN BRADLEY,1745-E101,PLC EXPANSION UNIT

    • Manufacturer: Allen-Bradley
    • Model: 1745-E101

    What's Included? See photos. We try our best to provide full details of each item and any included accessories, but if it's not shown in the photos then it will not be included with the item. 30-Day Easy Returns ...

    $28 USD
    Galion, OH
  • Q03UDVCPU | Mitsubishi MELSEC-Q Universal

    Q03UDVCPU | Mitsubishi MELSEC-Q Universal Programmable Logic Controller CPU Unit - New – Open box

    • Manufacturer: Mitsubishi

    $921 USD
    Baroda, MI
  • Trusted Seller
    Hitachi ROM-16H PLC Memory Cassette

    Hitachi ROM-16H PLC Memory Cassette Module 25MB

    • Manufacturer: Hitachi

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

    $1,190 USD
    Millersburg, IN
  • Allen-Bradley,Mini PLC 2/02,Processor with Power

    Allen-Bradley,Mini PLC 2/02,Processor with Power Supply 1772-LZP Series D

    • Manufacturer: Allen-Bradley

    NEW OLD STOCK. Please refer to the pictures as they are considered part of the description.FW Rev. CInput: 120/240V AC, 50/60 HzOutput: 5V DC.

    $600 USD
    Galion, OH
  • MITSUBISHI,A1SJHCPU A1SX42 A1SY41,PLC RACK

    MITSUBISHI,A1SJHCPU A1SX42 A1SY41,PLC RACK

    • Manufacturer: Mitsubishi

    What's Included? See photos. We try our best to provide full details of each item and any included accessories, but if it's not shown in the photos then it will not be included with the item. 30-Day Easy Returns ...

    $85 USD
    Galion, OH
  • ALLEN BRADLEY,1771-P4S PLC,POWER SUPPLY MODULE

    ALLEN BRADLEY,1771-P4S PLC,POWER SUPPLY MODULE NOS

    • Manufacturer: Allen-Bradley
    • Model: 1771

    What's Included? See photos. We try our best to provide full details of each item and any included accessories, but if it's not shown in the photos then it will not be included with the item. 30-Day Easy Returns ...

    $68 USD
    Galion, OH
  • ALLEN BRADLEY,1785-LT3 PLC-5/12,PROCESSOR MODULE

    ALLEN BRADLEY,1785-LT3 PLC-5/12,PROCESSOR MODULE

    • Manufacturer: Allen-Bradley
    • Model: 1785

    Used in good condition. 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 s...

    $100 USD
    Galion, OH
  • Trusted Seller
    Weidmuller SP-RS-PLC-DI W/16PT Currents I/O

    Weidmuller SP-RS-PLC-DI W/16PT Currents I/O Module New

    • Manufacturer: Weidmüller

    NEW 30 day warranty Wr3 Mpn: SP-RS-PLC-DI | Shelf: K-21 | Country/region of manufacture: Germany | Part number: 998618 67 | Type: 16 Point Current Module | Voltage: 24Vdc, 4A Max, 125V Minimum

    $299 USD
    Muskegon, MI
  • Allen Bradley,1785-L30B,SER A PLC-5/30 Processor

    Allen Bradley,1785-L30B,SER A PLC-5/30 Processor Module

    • Manufacturer: Allen-Bradley
    • Model: 1785

    Used in good condition. 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 s...

    $240 USD
    Galion, OH
  • RELIANCE,45C913,6 SLOT PLC RACK ASSEMBLY

    RELIANCE,45C913,6 SLOT PLC RACK ASSEMBLY NEW

    • Manufacturer: Reliance Electric

    What's Included? See photos. We try our best to provide full details of each item and any included accessories, but if it's not shown in the photos then it will not be included with the item. 30-Day Easy Returns ...

    $300 USD
    Galion, OH
  • no-image_en.png

    Siemens Simatic S7-200 Programmable Logic Controllers (PLC)

    • Manufacturer: Siemens
    • Model: Simatic S7-200

    Good condition Siemens Simatic S7-200 Programmable Logic Controllers (PLC)s. Located in France and other countries. Click request price for more information.

    France
3536373839

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.