Industrial Automation » Programmable Logic Controllers (PLC)

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Used input output modules

  • Trusted Seller
    Allen Bradley 1769-IA16 Ser A

    Allen Bradley 1769-IA16 Ser A Input Module, Compact I/O

    • Manufacturer: Allen-Bradley
    • Model: 1769

    PLEASE REVIEW: We would ask that potential buyers please view the photographs carefully, and understand what you are buying. If you have any questions, please reach out PRIOR to your purchase. We're happy to help...

    $90 USD
    Suwanee, GA
  • Trusted Seller
    Allen Bradley 1771-IFE Series A

    Allen Bradley 1771-IFE Series A Analog Input Module (12 Bit)

    • Manufacturer: Allen-Bradley
    • Model: 1771-IFE

    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...

    $100 USD
    Suwanee, GA
  • Trusted Seller
    Allen Bradley Compact I/O 16

    Allen Bradley Compact I/O 16 Pt. 85-265VAC Output Module 1769-OA16/A

    • Manufacturer: Allen-Bradley
    • Model: 1746-OA16

    “This item is in new condition taken from a new machine that was never in use. No box included.” YOU ARE BUYING ONE (1) Allen Bradley Compact I/O 16 Pt. 85-265VAC Output Module 1769-OA16/A Mat No. 1769-OA16 A. T...

    $269 USD
    Austinville, VA
  • Trusted Seller
    Allen Bradley 1794IB16 Ser. A

    Allen Bradley 1794IB16 Ser. A Input Module PN:96145687

    • Manufacturer: Allen-Bradley
    • Model: 1794-IB16

    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...

    $150 USD
    Suwanee, GA
  • Mitsubishi Electric RH42C4NT2P Input/Output Unit

    Mitsubishi Electric RH42C4NT2P Input/Output Unit

    • Manufacturer: Mitsubishi

    “New item as seen in the images. 30 day warranty Included.” Mitsubishi Electric RH42C4NT2P Input/Output Unit 4-V1I-76944-JR

    $950 USD
    Baroda, MI
  • Trusted Seller
    ALLEN BRADEY AB 1746-IV16 SLC

    ALLEN BRADEY AB 1746-IV16 SLC 500 SERIES C INPUT MODULE STK K-86-D

    • Manufacturer: Allen-Bradley
    • Model: 1746-IV16

    ALLEN BRADEY AB 1746-IV16 SLC 500 SERIES C INPUT MODULE STK K-86-D

    $25 USD
    Park Falls, WI
  • Trusted Seller
    ALLEN BRADLEY 1746-OW16 SER D

    ALLEN BRADLEY 1746-OW16 SER D OUTPUT MODULE ($35 OBO)

    • Manufacturer: Allen-Bradley
    • Model: 1746-OW16

    “USED, EXCELLENT” ALLEN BRADLEY 1746-OW16 SER D OUTPUT MODULE SLC500 SERIES D ***Local deliveries available, simply message us before purchasing so we can properly adjust the listing for you. Please provide your ...

    $35 USD
    Waukesha, WI
  • Trusted Seller
    ALLEN BRADLEY 1746-OW16 SER C

    ALLEN BRADLEY 1746-OW16 SER C OUTPUT MODULE ($30 OBO)

    • Manufacturer: Allen-Bradley
    • Model: 1746-OW16

    “USED, EXCELLENT” ALLEN BRADLEY 1746-OW16 SER C OUTPUT MODULE SLC500 SER C ***Local deliveries available, simply message us before purchasing so we can properly adjust the listing for you. Please provide your del...

    $30 USD
    Waukesha, WI
  • Trusted Seller
    Allen Bradley - 1794-IB16 -

    Allen Bradley - 1794-IB16 - Flex I/O Input Module with TB3

    • Manufacturer: Allen-Bradley
    • Model: 1794-IB16

    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...

    $45 USD
    Suwanee, GA
  • Allen Bradley 1771-IGD TTL Input

    Allen Bradley 1771-IGD TTL Input Module. 3D-39

    • Manufacturer: Allen-Bradley
    • Model: 1771

    Items are spares/engineering demo hookups that were pulled from an industrial working environment. We repair all types of industrial automation including AC Servo Drives, Servo Motors, Operator Interface Panels, ...

    $203 USD
    Duncan, SC
  • Trusted Seller
    SIEMENS 6ES5421-8MA12 SIMATIC S5 INPUT

    SIEMENS 6ES5421-8MA12 SIMATIC S5 INPUT MODULE ($15 OBO)

    • Manufacturer: Siemens
    • Model: 6ES

    “USED, EXCELLENT” SIEMENS 6ES5421-8MA12 SIMATIC S5 NON-ISOLATED 8 INPUTS 24 VDC ET 100U / ET 200U ***Local deliveries available, simply message us before purchasing so we can properly adjust the listing for you. ...

    $15 USD
    Waukesha, WI
  • Trusted Seller
    Allen Bradley 1746-NI4 Analog Input

    Allen Bradley 1746-NI4 Analog Input Module, Series A, SLC 500

    • Manufacturer: Allen-Bradley
    • Model: 1746

    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...

    $105 USD
    Suwanee, GA
  • Trusted Seller
    ALLEN BRADLEY 1769-OB16 SER B

    ALLEN BRADLEY 1769-OB16 SER B SOURCING OUTPUT MODULE ($50 OBO)

    • Manufacturer: Allen-Bradley
    • Model: 1769-OB16

    “USED, EXCELLENT” ALLEN BRADLEY 1769-OB16 SER B SOURCING OUTPUT MODULE DIGITAL 16 POINT CURRENT SOURCING ***Local deliveries available, simply message us before purchasing so we can properly adjust the listing fo...

    $50 USD
    Waukesha, WI
  • Trusted Seller
    Allen Bradley 1769-IQ16 SER A

    Allen Bradley 1769-IQ16 SER A CompactLogix PLC Input Module

    • Manufacturer: Allen-Bradley
    • Model: 1769-IQ16

    1 in stock The Allen-Bradley 1769-IQ16 is a PLC Input Module designed for use with the CompactLogix controller platform. This module allows for 16 digital input points to be connected to the PLC, providing essent...

    $133 USD
    New York, USA
  • Trusted Seller
    Siemens Simatic S7 6ES7 322-1BL00-0AA0

    Siemens Simatic S7 6ES7 322-1BL00-0AA0 Output Module

    • Manufacturer: Siemens
    • Model: Simatic S7

    You are buying one (1) Siemens Simatic S7 6ES7 322-1BL00-0AA0 Output Module with a removable connection block. It was taken from an electrical control panel that was never installed.

    $179 USD
    Austinville, VA
1011121314

Overview

Programmable Logic Controllers (PLCs) are essential components in industrial automation, used for controlling machinery and processes in manufacturing, production lines, and other automated systems. They are designed to handle multiple inputs and outputs, offering reliable, flexible, and scalable solutions for complex control tasks. PLCs are known for their robustness and ability to operate in harsh industrial environments.

FAQ

What factors should I consider when purchasing a PLC?

Consider the number of input/output points required, the processing speed, memory capacity, compatibility with existing systems, and the specific application needs. Also, check for the availability of technical support and software updates.

How can I ensure safe shipping of a PLC?

Use a reputable shipping service that specializes in delicate electronic equipment. Ensure the PLC is packaged securely with ample padding to protect against shocks and vibrations during transit.

What are the maintenance requirements for a PLC?

Regularly inspect the PLC for dust and debris, ensure proper ventilation, and check connections for any signs of wear or corrosion. Follow the manufacturer's guidelines for firmware updates and system diagnostics to ensure optimal performance.