Industrial Automation » Input/Output Modules

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Used plc e hmi

  • Trusted Seller
    Allen Bradley 1734-OB4E Ser C

    Allen Bradley 1734-OB4E Ser C

    • Manufacturer: Allen-Bradley
    • Model: 1734

    New 30 day warranty Wr27 Bin 4 Mpn: 1734-OB4E | Country/region of manufacture: Singapore | Oem product description: POINT I/O 4 POINT DIGITAL OUTPUT MODULE | Unspsc: 32151602 | Universal product code (upc): 61259...

    $30 USD
    Muskegon, MI
  • Trusted Seller
    Allen-Bradley Allen Bradley 1734-IV8

    Allen-Bradley Allen Bradley 1734-IV8

    • Manufacturer: Allen-Bradley
    • Model: 1734

    You are buying one (1) Allen Bradley Input Output Module 1734-IV8. It is new in factory packaging.

    $129 USD
    Austinville, VA
  • Trusted Seller
    Siemens 6ES7 214-1BD20-0XB0 Simatic S7-200

    Siemens 6ES7 214-1BD20-0XB0 Simatic S7-200 CPU 224 6ES72141BD200XB0 Analog

    • Manufacturer: Siemens
    • Model: 6ES7

    “Not Tested” Siemens 6ES7 214-1BD20-0XB0 Simatic S7-200 CPU 224 6ES72141BD200XB0 Also includes as pictured Siemens Simatic S7 Analog IN AI4x12Bit Type: 6ES7 231-0HC22-0XA0,E-Stand:02

    $300 USD
    Henderson, KY
  • Trusted Seller
    Siemens 6ES7 151-1AA05-0AB0

    Siemens 6ES7 151-1AA05-0AB0

    • Manufacturer: Siemens
    • Model: 6ES7

    “IN GOOD CONDITION.” Siemens Simatic PROFIBUS DP 6ES7 151-1AA05-0AB0 Interface Module w/ 14 Modules Siemens Simatic PROFIBUS DP 6ES7 151-1AA05-0AB0 Interface Module w/ 14 Modules (2) 1SI 3964/ASCII Modules (1) 1 ...

    $995 USD
    Fleetwood, PA
  • Allen Bradley 1734-MB & 1734-RTBS

    Allen Bradley 1734-MB & 1734-RTBS

    • Manufacturer: Allen-Bradley
    • Model: 1734

    2 in stock The Allen Bradley 1734-MB & 1734-RTBS are input/output modules designed for use with PLCs (Programmable Logic Controllers) in industrial automation and motion control systems. Manufactured by Allen-Bra...

    $45 USD
    New York, USA
  • Trusted Seller
    Allen Bradley 1734-RTB Series A

    Allen Bradley 1734-RTB Series A Terminal Block - Lot of 3

    • 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 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
  • Trusted Seller
    Allen Bradley 1734-OB8 Series C

    Allen Bradley 1734-OB8 Series C 24 VDC Digital Output Module

    • 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...

    $155 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-OW4 Point I/O Output

    Allen-Bradley 1734-OW4 Point I/O Output Module, Series C

    • Manufacturer: Allen-Bradley
    • Model: 1734

    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 war...

    $50 USD
    Suwanee, GA
  • Trusted Seller
    Allen Bradley 1734-AENTR Series B,

    Allen Bradley 1734-AENTR Series B, 2 Port Ethernet/IP TP I/O Adapter

    • Manufacturer: Allen-Bradley
    • Model: 1734

    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...

    $250 USD
    Suwanee, GA
  • Trusted Seller
    Allen Bradley 1734-IB8S Ser B

    Allen Bradley 1734-IB8S Ser B Channel 24V Point Guard I/O Safety Module Digital

    • 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...

    $450 USD
    Suwanee, GA
  • Trusted Seller
    Allen Bradley 1734-IB8S Series B

    Allen Bradley 1734-IB8S Series B Point Guard I/O Safety Input Module

    • Manufacturer: Allen-Bradley
    • Model: 1734

    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...

    $795 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
  • Trusted Seller
    Allen Bradley 1734-AENT Ser B

    Allen Bradley 1734-AENT Ser B Ethernet/IP TP Media I/O Adapter 24VDC

    • 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...

    $295 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.