Industrial Automation » Input/Output Modules

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Used plc modules

  • SPECTRUM CONTROLS,1756SC-IF8U,ANALOG INPUT MODULE

    SPECTRUM CONTROLS,1756SC-IF8U,ANALOG INPUT MODULE

    • Manufacturer: Spectrum Controls

    “Used in good condition.” 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 ...

    $625 USD
    Galion, OH
  • RELIANCE,45C997,OUTPUT MODULE ANALOG NEW

    RELIANCE,45C997,OUTPUT MODULE ANALOG 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 ...

    $1,600 USD
    Galion, OH
  • New Open Box Emerson PLC

    New Open Box Emerson PLC Module Rack Model: IC694MDL740C Output 12/24 VDC

    • Manufacturer: Emerson

    New Open Box Emerson PLC Module Rack Model: IC694MDL740C Output 12/24 VDC New Open Box Emerson PLC Module Rack Model: IC694MDL740C Output 12/24 VDC Click images to enlarge Description INV 8040 Fresh from a cancel...

    Savage, MN
  • Trusted Seller
    Allen Bradley Isolated 120v Ac

    Allen Bradley Isolated 120v Ac Output Module 1771-od16/

    • Manufacturer: Allen-Bradley

    ITEM #: 09295 Allen Bradley Isolated 120v Ac Output Module 1771-od16/ Unused! All prices are FOB Millwood WV unless otherwise noted. Please contact us for alternate payment methods. Freight shipping available.

    $954 USD
    Millwood, WV
  • ALLEN BRADLEY,1771-IFE,SER C FW B

    ALLEN BRADLEY,1771-IFE,SER C FW B ANALOG INPUT MODULE REFURBISHED

    • Manufacturer: Allen-Bradley
    • Model: ANALOG

    “Refurbished by Rockwell Automation.” Refurbished by Rockwell Automation. Please see pictures for details and condition. You will receive what’s in the pictures. If we have multiples of the same item, the pictur...

    $800 USD
    Galion, OH
  • Trusted Seller
    SIEMENS 6ES7 414-3XJ04-0AB0 Simatic S7

    SIEMENS 6ES7 414-3XJ04-0AB0 Simatic S7 CPU Module

    • Manufacturer: Siemens
    • Model: 6ES7

    SIEMENS 6ES7 414-3XJ04-0AB0 Simatic S7 CPU Module available, used condition. Perfect for your PLC needs, this robust processor ensures reliable performance. Ideal for industrial automation. Act now to enhance you...

    $365 USD
    Detroit, MI
  • Trusted Seller
    SIEMENS 6ES7 414-3XM05-0AB0 Simatic S7-400

    SIEMENS 6ES7 414-3XM05-0AB0 Simatic S7-400 CPU Module

    • Manufacturer: Siemens
    • Model: 6ES7

    SIEMENS 6ES7 414-3XM05-0AB0 Simatic S7-400 CPU Module, ideal for enhancing your automation systems. Experience efficiency with this used PLC processor, renowned for reliability and performance.

    $550 USD
    Detroit, MI
  • Reliance Electric,61C345A,Analog Input Module 4-Point

    Reliance Electric,61C345A,Analog Input Module 4-Point 4-20mA Refurbished

    • Manufacturer: Reliance Electric

    “Refurbished” Refurbished. 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 ma...

    $1,400 USD
    Galion, OH
  • Trusted Seller
    SIEMENS 6ES7 414-3XM05-0AB0 Simatic S7-400

    SIEMENS 6ES7 414-3XM05-0AB0 Simatic S7-400 CPU Module

    • Manufacturer: Siemens
    • Model: 6ES7

    This listing is for a USED SIEMENS 6ES7 414-3XM05-0AB0. Central processing unit for SIMATIC S7-400 automation systems. Offers high-speed processing, multiple communication interfaces, and robust memory architectu...

    $550 USD
    Detroit, MI
  • Trusted Seller
    SIEMENS 6ES7 414-3XM05-0AB0 Simatic S7-400

    SIEMENS 6ES7 414-3XM05-0AB0 Simatic S7-400 CPU Module

    • Manufacturer: Siemens
    • Model: 6ES7

    This listing is for a USED SIEMENS 6ES7 414-3XM05-0AB0. Central processing unit for SIMATIC S7-400 automation systems. Offers high-speed processing, multiple communication interfaces, and robust memory architectu...

    $550 USD
    Detroit, MI
  • RELIANCE,61C366,ANALOG RAIL OUTPUT MODULE REFURBISHED

    RELIANCE,61C366,ANALOG RAIL OUTPUT MODULE REFURBISHED

    • Manufacturer: Reliance Electric

    “Used in good condition.” 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 ...

    $800 USD
    Galion, OH
  • GE FANUC,IC660EBR101 / IC660EBR101C,GENIUS BLOCK

    GE FANUC,IC660EBR101 / IC660EBR101C,GENIUS BLOCK RELAY OUTPUT MODULE REFURBISHED

    • Manufacturer: Fanuc

    “Refurbished by Radwell, in sealed packaging.” 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 ...

    $800 USD
    Galion, OH
  • GE FANUC,IC695ALG600 / IC695ALG600-AB RX3I,UNIVERSAL

    GE FANUC,IC695ALG600 / IC695ALG600-AB RX3I,UNIVERSAL ANALOG INPUT MODULE NEW

    • Manufacturer: Fanuc

    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 ...

    $1,200 USD
    Galion, OH
  • Trusted Seller
    Honeywell ISSC 621-3300 Input Module

    Honeywell ISSC 621-3300 Input Module 5VDC PLC 6213300 (EBI2423-2)

    • Manufacturer: Honeywell

    Honeywell MPN: 621-3300 USED ISSC Industrial Solid State Controls Input Module 5 VDC TTL 30 day warranty on all purchases. Your purchase will include what is pictured and described above ONLY.

    $55 USD
    Chattanooga, TN
  • MOXA EDS-308 Ethernet Switch Input

    MOXA EDS-308 Ethernet Switch Input Module Connector PLC (531)

    • Manufacturer: MOXA

    MOXA EDS-308 Ethernet Switch Input Module Connector PLC Palmetto Automation Inc. of Duncan SC specializes in buying, selling, and repairing obsolete Used, Refurbished, and New industrial electronic equipment. Mos...

    $45 USD
    Duncan, SC
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Overview

Input/Output (I/O) modules are essential components in industrial automation systems. They serve as the interface between various field devices and the control system, allowing the exchange of data and signals. I/O modules can handle both analog and digital inputs and outputs, making them crucial for monitoring and controlling processes in manufacturing, energy, and other sectors.

FAQ

What should I consider when buying an I/O module?

Consider the compatibility with your existing control system, the number of input and output channels, and the type of signals (analog or digital) it supports. Reliability and ease of integration are also important factors.

How do I ensure the I/O module is shipped safely to my location?

Use a reputable shipping service that specializes in electronics. Ensure the module is properly packaged with anti-static materials and secured to prevent damage during transit.

What is the maintenance schedule for an I/O module?

Regular maintenance includes inspecting connections for wear or corrosion, ensuring the module is clean and free from dust, and checking for any firmware updates from the manufacturer. Consult the manufacturer’s manual for detailed maintenance intervals.