Industrial Automation » Input/Output Modules

Search By Manufacturer

Search By Country

Building Filters

14335

Used industrial automation

  • Trusted Seller
    Phoenix Contact Ethernet Extension Module

    Phoenix Contact Ethernet Extension Module

    • used

    • Manufacturer: Phoenix Contact

    Used Name: Ethernet Extension Module | Arrival date: 04-08-2025 | Dimensions l x w x h (inches): 7 x 7 x 5 | Electrical: 24VDC | Weight (lb.): 6 | Available quantity: 1

    $240 USD
    Euclid, OH
  • Trusted Seller
    Helm HM-604-PLM SLC 500 Forcegard

    Helm HM-604-PLM SLC 500 Forcegard Strain Gage Input Module

    • used

    • Manufacturer: Helm

    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 ...

    $500 USD
    Suwanee, GA
  • Trusted Seller
    Siemens SM321 Simatic S7, 6ES7

    Siemens SM321 Simatic S7, 6ES7 321-1BH02-0AA0 Digital Input Module

    • new

    • 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 your purchase. *Your purchase includes a 30 da...

    $170 USD
    Suwanee, GA
  • Trusted Seller
    Spectrum Controls 1746sc-INI4vi 4 Channel

    Spectrum Controls 1746sc-INI4vi 4 Channel Isolated Current/Voltage Input Module

    • used

    • Manufacturer: Spectrum

    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. No warranty is implied or offer...

    $300 USD
    Suwanee, GA
  • Trusted Seller
    Fanuc 8-point I/o Output Module

    Fanuc 8-point I/o Output Module

    • used

    • Manufacturer: Fanuc

    New Open Box Name: 8-point I/o Output Module | Arrival date: 08-29-2025 | Dimensions l x w x h (inches): 7 x 7 x 7 | Electrical: 12VDC | Weight (lb.): 1 | Available quantity: 1

    $200 USD
    Euclid, OH
  • Trusted Seller
    Siemens Simatic S7-300 Central Processing

    Siemens Simatic S7-300 Central Processing Unit

    • used

    • Manufacturer: Siemens
    • Model: 6ES7317

    New Open Box Name: Simatic S7-300 Central Processing Unit | Arrival date: 08-25-2025 | Dimensions l x w x h (inches): 7 x 7 x 5 | Capacity: 1.5MB WORKING MEMORY | Weight (lb.): 1 | Available quantity: 1

    $1,299 USD
    Euclid, OH
  • Trusted Seller
    Honeywell PLC Output Module

    Honeywell PLC Output Module

    • used

    • 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

    $200 USD
    Euclid, OH
  • Trusted Seller
    Siemens Simatic Dp Interface Module

    Siemens Simatic Dp Interface Module

    • used

    • Manufacturer: Siemens
    • Model: 6ES7151

    New Open Box Name: Simatic Dp Interface Module | Arrival date: 08-14-2025 | Dimensions l x w x h (inches): 7 x 7 x 5 | Capacity: 100MBPS TRANSFER RATE | Weight (lb.): 1 | Available quantity: 1

    $200 USD
    Euclid, OH
  • Trusted Seller
    Siemens Simatic S7-300 Series Relay

    Siemens Simatic S7-300 Series Relay Output Module Sm322

    • used

    • Manufacturer: Siemens
    • Model: 6ES7322

    New Open Box Name: Simatic S7-300 Series Relay Output Module Sm322 | Arrival date: 08-14-2025 | Dimensions l x w x h (inches): 7 x 7 x 5 | Electrical: 160mA, 120-230VAC, 24VDC | Weight (lb.): 1 | Available quanti...

    $300 USD
    Euclid, OH
  • Trusted Seller
    Siemens Simatic Et200 Compact Module

    Siemens Simatic Et200 Compact Module Factory Sealed.

    • new

    • Manufacturer: Siemens
    • Model: 6ES7

    New, Factory Sealed, Quantity 1 Name: Simatic Et200 Compact Module Factory Sealed. | Arrival date: 05-15-2025 | Dimensions l x w x h (inches): 9 x 9 x 9 | Weight (lb.): 6 | Available quantity: 1

    $432 USD
    Euclid, OH
  • Trusted Seller
    B&r Analog Input Module

    B&r Analog Input Module

    • used

    • Manufacturer: B & R

    New Open Box, Quantity 1 Name: Analog Input Module | Arrival date: 05-05-2025 | Dimensions l x w x h (inches): 7 x 7 x 5 | Capacity: 8 ANAOLG INPUTS. 13-BIT CONVERTER RESOLUTION | Weight (lb.): 6 | Available quan...

    $190 USD
    Euclid, OH
  • Trusted Seller
    Allen Bradley PLC-5 Series 16-point

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

    • used

    • 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...

    $100 USD
    Euclid, OH
  • Trusted Seller
    Pilz Safety Relay Input Module

    Pilz Safety Relay Input Module

    • used

    • Manufacturer: Pilz

    New Factory Sealed Name: Safety Relay Input Module | Arrival date: 07-02-2025 | Dimensions l x w x h (inches): 7 x 7 x 5 | Weight (lb.): 6 | Available quantity: 1

    $130 USD
    Euclid, OH
  • Trusted Seller
    Siemens Et200x Expansion Module

    Siemens Et200x Expansion Module

    • used

    • Manufacturer: Siemens
    • Model: 6ES7141

    New Open Box Name: Et200x Expansion Module | Arrival date: 07-14-2025 | Dimensions l x w x h (inches): 9 x 9 x 9 | Capacity: 8SLOT | Electrical: 24VDC | Weight (lb.): 6 | Available quantity: 1

    $100 USD
    Euclid, OH
  • Trusted Seller
    Spectrum Controls 8-point Analog Input

    Spectrum Controls 8-point Analog Input Module

    • used

    • Manufacturer: Spectrum Controls

    New Open Box Name: 8-point Analog Input Module | Arrival date: 07-25-2025 | Dimensions l x w x h (inches): 11 x 9 x 7 | Weight (lb.): 6 | Available quantity: 1

    $699 USD
    Euclid, OH
2324252627

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.