Industrial Automation » Input/Output Modules

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Used plc ethernet & communication

  • Trusted Seller
    SIEMENS 6ES7 551-1AB00-0AB0 COMMUNICATION MODULE

    SIEMENS 6ES7 551-1AB00-0AB0 COMMUNICATION MODULE

    • used

    • Manufacturer: Siemens
    • Model: 6ES7

    This listing is for a USED Siemens 6ES7 551-1AB00-0AB0. This is a Communication Processor Module (CP551) for Siemens S7-300 PLC systems. It enables PROFIBUS communication and is designed for integration into indu...

    $295 USD
    Detroit, MI
  • Trusted Seller
    Allen Bradley 1734-AENTR Series B,

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

    • used

    • 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-AENT Ser B

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

    • used

    • 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
  • Trusted Seller
    SIEMENS 6ES7 151-8FB01-0AB0 IM151-8F CPU

    SIEMENS 6ES7 151-8FB01-0AB0 IM151-8F CPU ET200S PROFINET 256KB

    • used

    • Manufacturer: Siemens
    • Model: 6ES7

    This listing is for a used Siemens 6ES7-151-8FB01-0AB0 (IM151-8F PN/DP CPU) for ET200S. This ET200S modular CPU provides 256 KB memory, 3× PROFINET ports, and PROFIBUS DP interface. Ideal for distributed I/O appl...

    $285 USD
    Detroit, MI
  • Allen-Bradley ALLEN BRADLEY 1734-AENTR SER

    Allen-Bradley ALLEN BRADLEY 1734-AENTR SER B

    • new

    • Manufacturer: Allen-Bradley
    • Model: 1734

    What's Included? See photos. We try our best to provide full details of each item and any included accessories, but if it's not shown in the photos then it will not be included with the item. 30-Day Easy Returns ...

    $800 USD
    Galion, OH
  • Allen-Bradley ALLEN BRADLEY 1734-AENTR SER

    Allen-Bradley ALLEN BRADLEY 1734-AENTR SER B

    • new

    • Manufacturer: Allen-Bradley
    • Model: 1734

    What's Included? See photos. We try our best to provide full details of each item and any included accessories, but if it's not shown in the photos then it will not be included with the item. 30-Day Easy Returns ...

    $750 USD
    Galion, OH
  • Trusted Seller
    Allen Bradley 1734-AENT . 1734-RTB

    Allen Bradley 1734-AENT . 1734-RTB

    • used

    • Manufacturer: Allen-Bradley
    • Model: 1734

    Came from working unit 30 day warranty Wr23 Bin1 Mpn: 1734-AENT

    $150 USD
    Allendale, MI
  • Trusted Seller
    siemens plc s7-300 CPU 315-2

    siemens plc s7-300 CPU 315-2 PN/DP, Central processing unit with 384 KB work memory 6ES7315-2EH14-0AB0

    • new

    • Manufacturer: Siemens
    • Model: 6ES7315

    Products Description SIMATIC S7-300 CPU 315-2 PN/DP, Central processing unit with 384 KB work memory, 1st interface MPI/DP 12 Mbit/s, 2nd interface Ethernet PROFINET, with 2-port switch, Micro Memory Card require...

    Zhoukou, China
  • Trusted Seller
    1794-OE4/B | Flex 4 Point

    1794-OE4/B | Flex 4 Point Analog Output Module

    • new

    • Manufacturer: PLC MODULE

    1794-OE4/B Flex 4 Point Analog Output Module 1794-OE4/B Flex 4 Point Analog Output Module 1794-OE4 FLEX I/O Analog Output Module, 12 Bit, 4 Single-Ended Outputs, Series B 1794-OE4 FLEX I/O Analog Output Module, 1...

    Fujian, China
  • Trusted Seller
    1756-IF8 Analog Input Module

    1756-IF8 Analog Input Module

    • new

    • Manufacturer: PLC

    1756-IF8 Analog Input Module The 1756-IF8 Analog Input Module is a high-performance module designed to provide accurate and reliable analog input functionality for PLC systems. The 1756-IF8 Key Specifications: Ke...

    Fujian, China
  • Trusted Seller
    CTI 2572 Siemens output module

    CTI 2572 Siemens output module

    • new

    • Manufacturer: Siemens

    Communications Module Get the best deals for CTI 2572 IN STOCK READY TO SHIP CTI 2572;COMMUNICATION MODULE CTI-TCP IP ETHERNET 10MBPS The 2572 Fast Ethernet TCP/IP Adapter is the next generation Ethernet network ...

    Fujian, China
  • Trusted Seller
    MVI69-104S | PROSOFT Input/output Module

    MVI69-104S | PROSOFT Input/output Module

    • used

    • Manufacturer: PROSOFT

    PROSOFT MVI69-104S Input/output Module PROSOFT MVI69-104S Input/output Module The MVI69-104S module acts as an input/output module between the IEC-870-5-104 Ethernet network and the CompactLogix backplane. Data t...

    Fujian, China
  • Trusted Seller
    IS220UCSAH1A-C| General Electric Digital Output

    IS220UCSAH1A-C| General Electric Digital Output Module

    • used

    • Manufacturer: GE

    General Electric IS220UCSAH1A-C Standalone Processor Module The operating system has a real-time, multi-tasking design for high-speed, reliable, industrial applications. It can be configured for simplex, dual, or...

    Fujian, China
  • Trusted Seller
    1756SC-IF8H | ControlLogix Analog Current/Voltage

    1756SC-IF8H | ControlLogix Analog Current/Voltage Input Module

    • new

    • Manufacturer: / Automation

    1756SC-IF8H ControlLogix Analog Current/Voltage Input Module 1756sc-IF8H ControlLogix Analog Cur/Volt Input w/HART, 8-P 1756sc-IF8H ControlLogix Analog Current/Voltage Input Module with full support of HART (High...

    Fujian, China
  • Trusted Seller
    Schneider Electric TSXDSY64T2K Discrete Output

    Schneider Electric TSXDSY64T2K Discrete Output Module

    • new

    • Manufacturer: Schneider

    Schneider Electric TSXDSY64T2K Discrete Output Module Discrete Output Module It is suitable for motors with power rating up to 37kW/50hp for applications requiring slight overload (up to 120%). It is suitable for...

    Fujian, China
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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.