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Used plc input & output modules

  • Trusted Seller
    Trane X13650482-01 Rev B Chiller

    Trane X13650482-01 Rev B Chiller I/O Module PLC Input/Output Module X1365048201 (AH0939-1)

    • Manufacturer: Trane

    Trane American Standard Inc. MPN: X13650482-01 USED Trane i/o Module Approximate Weight: 1 lbs. Approximate Dimensions: 7.5" x 8" x 2" 30 day warranty on all purchases. Your purchase will include what is pictured...

    $93 USD
    Chattanooga, TN
  • BECKHOFF BK5200 PLC Module w/9

    BECKHOFF BK5200 PLC Module w/9 Input/Output Modules. 3E-38

    • Manufacturer: Beckhoff
    • Model: BK5200

    We repair all types of industrial automation including AC Servo Drives, Servo Motors, Operator Interface Panels, PLC's, Sensors, Process Controls and Timers. Palmetto Automation Inc. of Duncan SC specializes in b...

    $495 USD
    Duncan, SC
  • Trusted Seller
    Honeywell Q7600B2002 Expansion Input Output

    Honeywell Q7600B2002 Expansion Input Output Module PLC to W7601 from W7600 Q7600 (TK2831-1)

    • Manufacturer: Honeywell

    Honeywell MPN: Q7600B2002 USED Expansion Input Output Module To W7601 | From W7600 or Q7600 24V | 50/60Hz | 5 VA 30 day warranty on all purchases. Your purchase will include what is pictured and described above O...

    $118 USD
    Chattanooga, TN
  • Trusted Seller
    Foxboro P0400YE FBM 04 I/A

    Foxboro P0400YE FBM 04 I/A Series PLC Input/Output Module P0 400 YE Rev 0N PO400 (NP1728-1)

    • Manufacturer: Foxboro

    Foxboro I/A Series MPN: P0400YE-0N USED 0-20 mA Input Output Module FBM 04 Rev-0N 30 day warranty on all purchases. Your purchase will include what is pictured and described above ONLY.

    $231 USD
    Chattanooga, TN
  • Trusted Seller
    Honeywell PLC Output Module -

    Honeywell PLC Output Module - 621-6550rc

    • Manufacturer: Honeywell

    New Open Box Name: PLC Output Module | Arrival date: 08-25-2025 | Dimensions l x w x h (inches): 13 x 11 x 9 | Electrical: 2-5A, 24VDC | Weight (lb.): 2 | Available quantity: 2

    $130 USD
    Euclid, OH
  • Trusted Seller
    Allen Bradley PLC-5 Series 16-point

    Allen Bradley PLC-5 Series 16-point Digital Output Module - 17710ad

    • Manufacturer: Allen-Bradley

    New Open Box Name: PLC-5 Series 16-point Digital Output Module | Arrival date: 08-29-2025 | Dimensions l x w x h (inches): 13 x 11 x 9 | Electrical: 0.7A @ 5VDC, 50/60Hz, 12-120VAC | Weight (lb.): 2 | Available q...

    $63 USD
    Euclid, OH
  • Trusted Seller
    General Electric Ge IS220PRTDH1B Mark

    General Electric Ge IS220PRTDH1B Mark Vie Rtd Input Module

    • Manufacturer: GE

    “INSTALLED BUT UNUSED” Model number: IS220PRTDH1B | Model line: MARK VIE | Mpn: IS220PRTDH1B | Shipping weight: 2 lbs | Shipping dimensions: 6 x 3 x 3 in | Additional notes: INSTALLED BUT UNUSED | Reference sku: ...

    $8,636 USD

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    Est. $170/mo

    Delta, OH
  • Trusted Seller
    GE IC220MDL753C VersaMax Discrete Input

    GE IC220MDL753C VersaMax Discrete Input Module NEW

    • Manufacturer: GE

    This listing is for a NEW GE IC220MDL753C. It is designed for use in VersaMax PLC systems to handle discrete input signals. This unit is categorized as a discrete input module and includes the following capabilit...

    $500 USD
    Detroit, MI
  • Trusted Seller
    GE IC220SDL543-AA VersaSafe Safety Input

    GE IC220SDL543-AA VersaSafe Safety Input Module NEW

    • Manufacturer: GE

    This listing is for a NEW GENERAL ELECTRIC IC220SDL543-AA. It is designed for safety input signal processing in industrial automation systems. This unit is categorized as a safety input module and includes the fo...

    $270 USD
    Detroit, MI
  • Trusted Seller
    Allen-Bradley 1769-IF8 Ser. A Compact

    Allen-Bradley 1769-IF8 Ser. A Compact I/O 8-Channel Analog Input Module

    • Manufacturer: Allen-Bradley

    “Tested and working Analog Input Module, backed by 120-Day Warranty.” You Will Receive: - 1769-IF8 Compact I/O 8-Channel Analog Input Module - 120-Day Warranty Specifications: 120 DAY WARRANTY This instrument is ...

    $597 USD
    Cridersville, OH
  • MODICON,B247,INPUT MODULE

    MODICON,B247,INPUT MODULE

    • 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 ...

    $50 USD
    Galion, OH
  • Trusted Seller
    Beckhoff PLC Programming Terminal 4-channel

    Beckhoff PLC Programming Terminal 4-channel Module - Kl4034

    • Manufacturer: Beckhoff
    • Model: KL

    New Open Box Name: PLC Programming Terminal 4-channel Module | Arrival date: 11-05-2025 | Dimensions l x w x h (inches): 7 x 7 x 5 | Electrical: 85mA | Weight (lb.): 1 | Available quantity: 3

    $150 USD
    Euclid, OH
  • MITSUBISHI,QX42,INPUT MODULE

    MITSUBISHI,QX42,INPUT MODULE

    • Manufacturer: Mitsubishi
    • Model: QX42

    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
  • Modicon,AS-B807-132,Input Module

    Modicon,AS-B807-132,Input Module

    • Manufacturer: Modicon

    Used in good condition. Part was pulled from operation upon factory shutdown and has been in storage since. Please see pictures for details and condition. You will receive what’s in the pictures. If we have multi...

    $36 USD
    Galion, OH
  • SYMAX,8030-RIM-144,INPUT MODULE

    SYMAX,8030-RIM-144,INPUT MODULE

    • Manufacturer: SYMAX

    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
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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.