Industrial Automation » Input/Output Modules

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Used plc peripherals

  • KLOCKNER MOELLER OUTPUT MODULE EKS12

    KLOCKNER MOELLER OUTPUT MODULE EKS12 ($70 OBO)

    • Manufacturer: Klöckner Moeller

    KLOCKNER MOELLER EKS12 24 V 200mA ***Local deliveries available, simply message us before purchasing so we can properly adjust the listing for you. Please provide your delivery instructions (address, time of deli...

    $70 USD
    Waukesha, WI
  • SIEMENS 6ES7 138-4CA00-0AA0 OUTPUT MODULE

    SIEMENS 6ES7 138-4CA00-0AA0 OUTPUT MODULE ($10 OBO)

    • Manufacturer: Siemens
    • Model: 6ES7

    SIEMENS 6ES7 138-4CA00-0AA0 OUTPUT MODULE 24 VDC ***Local deliveries available, simply message us before purchasing so we can properly adjust the listing for you. Please provide your delivery instructions (addres...

    $10 USD
    Waukesha, WI
  • FANUC AOD32D2 INPUT MODULE ($70

    FANUC AOD32D2 INPUT MODULE ($70 OBO)

    • Manufacturer: Fanuc

    FANUC AOD32D2 INPUT MODULE 12/24 V 32 POINT I/O MODULE OUTPUT ***Local deliveries available, simply message us before purchasing so we can properly adjust the listing for you. Please provide your delivery instruc...

    $70 USD
    Waukesha, WI
  • FANUC A0D32C1 OUTPUT MODULE ($30

    FANUC A0D32C1 OUTPUT MODULE ($30 OBO)

    • Manufacturer: Fanuc

    “USED, EXCELLENT” FANUC A0D32C1 OUTPUT MODULE 12/24 VDC 32 POINT RACK MOUNT ***Local deliveries available, simply message us before purchasing so we can properly adjust the listing for you. Please provide your de...

    $30 USD
    Waukesha, WI
  • Trusted Seller
    Reliance Electric Analog Input Module

    Reliance Electric Analog Input Module +/- 10V 16 Channel

    • Manufacturer: Reliance Electric

    Reliance Electric 61C542 / 61C542A Analog Input Module +/- 10V, 16 Channel *NEW* Actual item shown Condition is new old stock, in original factory packaging This module sells for over $2,000, HUGE SAVINGS Please ...

    $712 USD
    Gilbert, IA
  • Trusted Seller
    Reliance Electric Input Module

    Reliance Electric Input Module

    • Manufacturer: Reliance Electric

    Reliance Electric ABB 57C419 Input Module 5-24VDC Circuit Rev 03 **NEW IN BOX** Actual item shown in photos, HUGE SAVINGS This module is brand new, never used in original factory packaging Please make sure this i...

    $755 USD
    Gilbert, IA
  • Trusted Seller
    Siemens 6ES7340-1AH02-0AE0 Simatic S7 Communication

    Siemens 6ES7340-1AH02-0AE0 Simatic S7 Communication Module

    • Manufacturer: Siemens
    • Model: 6ES7340

    PLEASE REVIEW: We would ask that potential buyers please examine the photographs carefully, and understand what you are buying. All questions must be submitted PRIOR to auction close. *Your purchase includes a 30...

    $45 USD
    Suwanee, GA
  • Trusted Seller
    Siemens 6ES7 321-1BH10-0AA0 Digital Input

    Siemens 6ES7 321-1BH10-0AA0 Digital Input Module

    • Manufacturer: Siemens
    • Model: 6ES7

    PLEASE REVIEW: We would ask that potential buyers please view the photographs carefully, and understand what you are buying. Please ask any questions you have PRIOR to your purchase. *Your purchase includes a 30 ...

    $200 USD
    Suwanee, GA
  • Trusted Seller
    Honeywell 621-6300 Output Module

    Honeywell 621-6300 Output Module

    • Manufacturer: Honeywell

    PLEASE REVIEW: We would ask that potential buyers please view the photographs carefully, and understand what you are buying. Please submit all questions PRIOR to your purchase. *Your purchase includes a 30 day wa...

    $75 USD
    Suwanee, GA
  • Trusted Seller
    Allen Bradley 1734TB3 Ser A

    Allen Bradley 1734TB3 Ser A Point I/O Module, Terminal Base - Lot of 10

    • Manufacturer: Allen-Bradley
    • Model: 1734

    PLEASE REVIEW: We would ask that potential buyers please view the photographs carefully, and understand what you are buying. All questions should be submitted prior to your purchase. *Your purchase includes a 30 ...

    $145 USD
    Suwanee, GA
  • Trusted Seller
    Allen Bradley 1734-MB Series A

    Allen Bradley 1734-MB Series A Terminal Base

    • Manufacturer: Allen-Bradley
    • Model: 1734

    PLEASE REVIEW: We would ask that potential buyers please view the photographs carefully, and understand what you are buying. All questions must be submitted PRIOR to auction close. Your purchase includes a 30 day...

    $25 USD
    Suwanee, GA
  • Trusted Seller
    Square D SY/MAX 8030 ROM

    Square D SY/MAX 8030 ROM 221 Series H Relay Output Module

    • Manufacturer: Square D

    PLEASE REVIEW: We would ask that potential buyers please view the photographs carefully, and understand what you are buying. All questions should be submitted prior to your purchase. *Your purchase includes a 30 ...

    $45 USD
    Suwanee, GA
  • Trusted Seller
    Square D SY/MAX 8030 ROM

    Square D SY/MAX 8030 ROM 221 Series F2 Relay Output Module

    • Manufacturer: Square D

    PLEASE REVIEW: We would ask that potential buyers please view the photographs carefully, and understand what you are buying. All questions should be submitted prior to your purchase. *Your purchase includes a 30 ...

    $45 USD
    Suwanee, GA
  • Trusted Seller
    Square D SY/MAX 8030 ROM

    Square D SY/MAX 8030 ROM 221 Series G Output Module

    • Manufacturer: Square D

    PLEASE REVIEW: We would ask that potential buyers please view the photographs carefully, and understand what you are buying. All questions should be submitted prior to your purchase. *Your purchase includes a 30 ...

    $45 USD
    Suwanee, GA
  • Trusted Seller
    Turck BL20-E-8DI-24VDC-P Input Module

    Turck BL20-E-8DI-24VDC-P Input Module

    • Manufacturer: Turck

    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 is protected...

    $45 USD
    Suwanee, GA
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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.