Industrial Automation » Input/Output Modules

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Used plc peripherals

  • Trusted Seller
    Siemens 505-4716 Digital Output Module

    Siemens 505-4716 Digital Output Module

    • Manufacturer: Siemens

    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...

    $50 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
    AEG AS-B814-108 Relay Output Module

    AEG AS-B814-108 Relay Output Module

    • Manufacturer: AEG

    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 da...

    $25 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
  • ABB SPASI23 Symphony Plus Analog

    ABB SPASI23 Symphony Plus Analog Input Module, 5V, 1A

    • Manufacturer: ABB
    • Model: SPASI23

    Introducing the ABB SPASI23 Symphony Plus Analog Input Module, a high-quality unit designed to provide reliable and efficient performance. This module is suitable for use in a variety of industrial automation and...

    $752 USD
    Adrian, MO
  • Trusted Seller
    Siemens 6ES7 307-1BA01-0AA0 Power Supply

    Siemens 6ES7 307-1BA01-0AA0 Power Supply Module, Simatic PS 307, 24 VDC

    • Manufacturer: Siemens
    • Model: 6ES7

    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 da...

    $40 USD
    Suwanee, GA
  • Trusted Seller
    Honeywell 621-2150 Output Module, 115

    Honeywell 621-2150 Output Module, 115 VAC

    • Manufacturer: Honeywell

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

    $35 USD
    Suwanee, GA
  • Trusted Seller
    Siemens 505-4516 Output Module

    Siemens 505-4516 Output Module

    • Manufacturer: Siemens
    • Model: 505-4516

    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...

    $45 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 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
    Honeywell 621-0007 Output Module

    Honeywell 621-0007 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 auction close. If applicable, we will gladly refun...

    $130 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 ROM122 Series B

    Square D ROM122 Series B SY/MAX Analog 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 ...

    $90 USD
    Suwanee, GA
  • Trusted Seller
    Allen Bradley 1734-TBS Ser A

    Allen Bradley 1734-TBS Ser A Point I/O Module 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 should be submitted prior to your purchase. *Your purchase includes a 30 ...

    $20 USD
    Suwanee, GA
  • ABB IMASI23 Symphony Analog Input

    ABB IMASI23 Symphony Analog Input Module, 5V, 1A, Tested

    • Manufacturer: ABB
    • Model: IMASI23

    ABB IMASI23 Symphony Analog Input Module is a high-quality unit that is designed to provide reliable and efficient performance. This module is a PLC input module with an analog signal input and is suitable for a ...

    $518 USD
    Adrian, MO
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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.