Industrial Automation » Input/Output Modules

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  • Trusted Seller
    Allen Bradley PLC-5 Series 16-point

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

    • 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

    • 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

    $120 USD
    Euclid, OH
  • Trusted Seller
    Spectrum Controls 8-point Analog Input

    Spectrum Controls 8-point Analog Input Module

    • 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

    $594 USD
    Euclid, OH
  • Trusted Seller
    Siemens Interface Module

    Siemens Interface Module

    • Manufacturer: Siemens
    • Model: 6ES7151

    New Factory Sealed Name: Interface Module | Arrival date: 07-31-2025 | Dimensions l x w x h (inches): 7 x 7 x 5 | Capacity: TRANSFER RATE: 100MBPS MAX | Weight (lb.): 6 | Available quantity: 1

    $170 USD
    Euclid, OH
  • Trusted Seller
    Allen Bradley Armorpoint 16 Point

    Allen Bradley Armorpoint 16 Point Input Module

    • Manufacturer: Allen-Bradley

    New Factory Sealed Name: Armorpoint 16 Point Input Module | Arrival date: 05-23-2025 | Dimensions l x w x h (inches): 9 x 9 x 9 | Electrical: 24VDC | Weight (lb.): 6 | Available quantity: 1

    $100 USD
    Euclid, OH
  • Trusted Seller
    Allen-bradley Armorblock Ethernet/ip 8 Point

    Allen-bradley Armorblock Ethernet/ip 8 Point Input Module

    • Manufacturer: Allen-Bradley

    New, Factory Sealed, Quantity 1 Name: Armorblock Ethernet/ip 8 Point Input Module | Arrival date: 04-23-2025 | Dimensions l x w x h (inches): 9 x 9 x 9 | Weight (lb.): 6 | Available quantity: 1

    $345 USD
    Euclid, OH
  • Trusted Seller
    Mitsubishi Programmable Controller Input Module

    Mitsubishi Programmable Controller Input Module

    • Manufacturer: Mitsubishi

    New Open Box Name: Programmable Controller Input Module | Arrival date: 03-20-2025 | Dimensions l x w x h (inches): 11 x 9 x 7 | Electrical: 12/24VDC | Weight (lb.): 7 | Available quantity: 1

    $100 USD
    Euclid, OH
  • Siemens SIEMENS 6ES7131-6BH01-0BA0

    Siemens SIEMENS 6ES7131-6BH01-0BA0

    • Manufacturer: Siemens
    • Model: 6ES7131

    “Very good conditions.” 6ES71316BH010BA0 DIGITAL INPUT MODULE SIMATIC ET 200SP 16X 24 VDC PNP 0.05-20 MS DELAY TIME LED INDICATOR 0 TO +60 DEGREES C

    $131 USD
    Waukesha, WI
  • Siemens SIEMENS 6ES7193-4CB30-0AA0-EACH

    Siemens SIEMENS 6ES7193-4CB30-0AA0-EACH

    • Manufacturer: Siemens
    • Model: 6ES7193

    “Very good conditions.” 6ES71934CB300AA0EACH DISCONTINUED BY MANUFACTURER 10/01/2023 TERMINAL MODULE SIMATIC DP 2 SPRING TYPE TERMINALS 2 X 4 TERMINAL CONNECTIONS WITHOUT TERMINAL ACCESS TO AUX1 15 MM WIDTH

    $25 USD
    Waukesha, WI
  • Siemens SIEMENS 6ES7132-4BD02-0AA0

    Siemens SIEMENS 6ES7132-4BD02-0AA0

    • Manufacturer: Siemens
    • Model: 6ES7132

    “Very good conditions.” 6ES71324BD020AA0 ELECTRONIC MODULE SIMATIC DP FOR ET 200S 4 POINT DIGITAL 0.5 AMP 24 VDC 81 X 15 X 52 MM **PACK OF 5 MODULES **

    $80 USD
    Waukesha, WI
  • Siemens SIEMENS 6ES7223-1PL32-0XB0

    Siemens SIEMENS 6ES7223-1PL32-0XB0

    • Manufacturer: Siemens
    • Model: 6ES7223

    “Very good conditions.” 6ES72231PL320XB0 DIGITAL INPUT/OUTPUT MODULE SIMATIC S7-1200 16 INPUTS 16 OUTPUTS 180 MA 24 VDC 2 AMP -20 TO +60 DEGREES C REPLACES 6ES7223-1PL30-0XB0

    $120 USD
    Waukesha, WI
  • Okuma & Howa D14-503-001/02 Input

    Okuma & Howa D14-503-001/02 Input Module - USED

    • Manufacturer: Okuma

    USED Okuma & Howa D14-503-001/02 Input Module, AC 200-240V, 50/60Hz Input, DC24V Output Item is guaranteed to not be DOA for replacement or refund within 30 days of receiving. Item is sold as pictured. The item y...

    $522 USD
    Kawkawlin, MI
  • Trusted Seller
    Square D SY/MAX 8030 ROM

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

    • Manufacturer: Square D

    $45 USD
    Suwanee, GA
  • Trusted Seller
    Hitachi Programmable Controller Analog Input

    Hitachi Programmable Controller Analog Input Module

    • Manufacturer: Hitachi

    New Open Box Name: Programmable Controller Analog Input Module | Arrival date: 09-18-2025 | Dimensions l x w x h (inches): 13 x 9 x 7 | Weight (lb.): 1 | Available quantity: 2

    $599 USD
    Euclid, OH
  • Trusted Seller
    Siemens Cpu Interface Module

    Siemens Cpu Interface Module

    • Manufacturer: Siemens
    • Model: 6ES7

    New Open Box Name: Cpu Interface Module | Arrival date: 09-11-2025 | Dimensions l x w x h (inches): 7 x 7 x 5 | Weight (lb.): 1 | Available quantity: 1

    $599 USD
    Euclid, 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.