Industrial Automation » Programmable Logic Controllers (PLC)

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Used modular control systems

  • Trusted Seller
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    ALC Automated Logic Corporation MCPU M-Line Central Processor Unit CPU [Refurbished]

      . . . . . M line (multi-equipment application) controllers are part of the Automated Logic Corporation native BACnet system, which also includes S line (single-equipment application) and U line (unitary-equipment...

      $948 USD
      Tempe, AZ
    • Trusted Seller
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      Allen-Bradley 1769-L35E/A CompactLogix Logix 5335E Processory Unit, Series A [Refurbished]

      • Manufacturer: Allen-Bradley
      • Model: 1769-L35E

      1768 / 1769 CompactLogix System. EtherNet Processor. 1.5Mbyte Memory. . . Our CompactLogix and Compact GuardLogix controllers use a common control engine with a common development environment to provide mid-range...

      $926 USD
      Tempe, AZ
    • National Instruments CDAQ-9171

      National Instruments CDAQ-9171

      • Manufacturer: National Instruments
      • Model: CDAQ

      Details The National Instruments cDAQ-9171 CompactDAQ 1-Slot Mainframe is a versatile and compact 1-slot mainframe designed for modular data acquisition systems. It features a USB interface for high-speed communi...

      Dublin, Ireland
    • Siemens SIMATIC S7-1200 CPU 1214C

      Siemens SIMATIC S7-1200 CPU 1214C DC/DC/DC control unit

      • Manufacturer: Siemens
      • Model: Simatic S7

      The Siemens SIMATIC S7-1200 CPU 1214C DC/DC/DC is a high-performance control unit for modular automation solutions. With integrated digital inputs and outputs, communication interfaces, and expandable functionali...

      Grenzach-Wyhlen, Germany
    • Trusted Seller
      Siemens 6ES7194-4GD10-0AA0 SIMATIC ET 200PRO

      Siemens 6ES7194-4GD10-0AA0 SIMATIC ET 200PRO module carrier

      • Manufacturer: Siemens
      • Model: 6ES

      The Siemens 6ES71944GD100AA0 is a compact module carrier for the SIMATIC ET 200PRO distributed I/O system. It simplifies the mounting and connection of I/O modules and motor starters, ensuring efficient integrati...

      $129 USD
      Borken, Germany
    • Trusted Seller
      Auction
      SIEMENS S7-300 Siemens SIMATIC S7-300

      SIEMENS S7-300 Siemens SIMATIC S7-300 and ET 200S Automation Modules

      • Manufacturer: Siemens
      • Model: Simatic S7

      Siemens SIMATIC S7-300 and ET 200S Automation Modules Model: SIMATIC S7-300 / ET 200S Type: Modular PLC system with digital and analog I/O modules Modules included: CPU module S7-300 Digital input/output modules ...

      Falkenberg/Elster, Germany
      Visit Auction Website
    • Siemens Simatic 6ES5-3WRSD

      Siemens Simatic 6ES5-3WRSD

      • Manufacturer: Siemens
      • Model: 6ES

      Siemens Modular Power Supply E220 G5/7W450 Reliable power supply for industrial applications For sale is a Siemens Modular Power Supply E220 G5/7W450, ideal for industrial applications. This power supply offers ...

      Grenzach-Wyhlen, Germany
    • Siemens SIMATIC S7 CPU module

      Siemens SIMATIC S7 CPU module 6ES7 151-1AA05-0AB0

      • Manufacturer: Siemens
      • Model: Simatic S7

      The Siemens SIMATIC S7 CPU module 6ES7 151-1AA05-0AB0 This is the central control unit of an ET 200S peripheral station. The decentralized CPU offers high flexibility in plant automation and is compatible with PR...

      Grenzach-Wyhlen, Germany
    • Trusted Seller
      TSX3721001 | Schneider Electric Micro

      TSX3721001 | Schneider Electric Micro PLC Modular Base Controller

      • Manufacturer: Schneider Electric

      Schneider Electric TSX3721001 Micro PLC Modular Base Controller Schneider Electric TSX3721001 Micro PLC Modular Base Controller Modular base controller Main range of product Modicon TSX Micro automation platform ...

      Fujian, China
    • Trusted Seller
      1747-L552 | | modular hardware

      1747-L552 | | modular hardware

        Controller Module The 1747-L552 is a controller module for the SLC 500 Modular Hardware by . It comes with Memory of 32 KB, built-in communication interfaces such as 9-Pin RS-232 Port and Ethernet Communication p...

        Fujian, China
      • Trusted Seller
        MPP SC300E-MPP | ABB Triple

        MPP SC300E-MPP | ABB Triple Modular Redundant safety controller

        • Manufacturer: ABB

        ABB MPP SC300E-MPP Triple Modular Redundant safety controller ABB MPP SC300E-MPP Triple Modular Redundant safety controller. A single system may be as small as one chassis or as large as 15, giving a maximum of 9...

        Fujian, China
      • Trusted Seller
        1786-RPA | ControlNet Modular Repeater

        1786-RPA | ControlNet Modular Repeater Adaptor

        • Manufacturer: Automation

        1786-RPA ControlNet Modular Repeater Adaptor 1786-RPA ControlNet Modular Repeater AdaptorThis module is used to extend the length of the ControlNet network. Tit has One (1) Coax cable port, powered by a 24VDC pow...

        Fujian, China
      • SIEMENS SINAMICS Control Unit CU320

        SIEMENS SINAMICS Control Unit CU320 6SL3040-0MA00-0AA1 with Compact Flash card

        • Manufacturer: Siemens
        • Model: 6SL

        SIEMENS SINAMICS Control Unit CU320 6SL3040-0MA00-0AA1 with Compact Flash Card The SIEMENS SINAMICS Control Unit CU320 is a high-quality control unit for controlling multiple drive axes in demanding automation en...

        Lennestadt, Germany
      • Trusted Seller
        FOXBORO RH924YF DIN-Rail Mounted Modular

        FOXBORO RH924YF DIN-Rail Mounted Modular Baseplate

        • Manufacturer: Foxboro

        DIN-Rail Mounted Modular Baseplate Get in touch today for a quick price. All parts come with a 12 months warranty In stock ready to ship RH924YF | Foxboro FCP280 DIN-Rail Mounted Modular Baseplate Part Number RH9...

        Fujian, China
      • Trusted Seller
        ZA2BS834 | Schneider Electric Modular

        ZA2BS834 | Schneider Electric Modular push buttons

        • Manufacturer: Schneider Electric

        Schneider Electric ZA2BS834 Modular push buttons Schneider Electric ZA2BS834 Modular push buttonsHarmony, pendant station, emergency stop operator, push to maintain, turn to release, 30 mm mushroom, red

        Fujian, China
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      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.