Industrial Automation » Programmable Logic Controllers (PLC)

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Used switch modules

  • Trusted Seller
    UR-9AH | GE CPU module

    UR-9AH | GE CPU module

    • Manufacturer: GE

    GE UR-9AH CPU module GE UR-9AH CPU module The UR-9AH is classified as a CPU module for use with the Multilin GE series of universal relays, such as the F35 feeder protection system The UR-9AH is classified as a C...

    Fujian, China
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    UR-9HH | GE CPU MODULE

    UR-9HH | GE CPU MODULE

    • Manufacturer: GE

    GE UR-9HH CPU MODULE GE UR-9HH CPU MODULE Multilin UR Series CPU for Universal Relays General Electric UR-9HH Multilin UR Series CPU for Universal Relays The UR can be supplied in a variety of configurations and ...

    Fujian, China
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    FM131A | Hollysys DEH adapter

    FM131A | Hollysys DEH adapter module

    • Manufacturer: Hollysys

    Hollysys FM131A DEH adapter module • DRTE protocol can operate in various operating system platform such as Windows 2000, Windows 2003, Windows XP, LINUX, etc... • Built-in support for network redundancy switchin...

    Fujian, China
  • Trusted Seller
    4201 | ICS Triconex |

    4201 | ICS Triconex | MODULE REMOTE EXTENDER

    • Manufacturer: Triconex

    MODULE REMOTE EXTENDER TRICONEX 4201 TRICON Communication Module,Module Remote Extender,Fiber Optic TRICONEX 4201 TRICON Communication Module Great Price New & Original General information Brand: TRICONEX Item No...

    Fujian, China
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    QLCCM36AAN SIEMENS Control Module

    QLCCM36AAN SIEMENS Control Module

    • Manufacturer: Siemens

    Control Module Siemens QLCCM36AAN | CCMx Critical Control Module QLCCM36AAN | Siemens | Control Module 24VDC 0.32AMP Customer Service： For any questions before buying this particular item, please contact us. We d...

    Fujian, China
  • Trusted Seller
    SAMC19INF | ABB Interface Module

    SAMC19INF | ABB Interface Module

    • Manufacturer: ABB
    • Model: SAMC

    ABB SAMC19INF Interface Module ABB SAMC19INF Interface Module DC voltage level -1 & 2 types 270 to 325 V ±10% Common DC connection DC voltage level -1 & 2 types 270 to 325 V ±10% -4 types 485 to 620 V ±10% Chargi...

    Fujian, China
  • Trusted Seller
    IPFLD125 / ABB / Field

    IPFLD125 / ABB / Field Power Module

    • Manufacturer: ABB

    Field Power Module IPFLD125 Bailey Infi 90 Field Power Module - 125 VDC Get in touch today for a quick price. All parts come with a 12 month warranty ABB Electric ABB's electrical technology covers the entire ele...

    Fujian, China
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    ABB MINT-4121C PLC Module

    ABB MINT-4121C PLC Module

    • Manufacturer: ABB

    PLC Module ABB MINT-4121C PLC Module Original in Factory Packing IN STOCK READY TO SHIP Get in touch today for a quick price. All parts come with a 12 month warranty Brand: Item NO.: Order(MOQ): Payment: Product ...

    Fujian, China
  • Trusted Seller
    BMXNOC0401 | Schneider Modicon |

    BMXNOC0401 | Schneider Modicon | ethernet module

    • Manufacturer: Schneider

    ethernet module BMXNOC0401 Ethernet module M340 - 4 x RJ45 10/100 Ethernet TCP/IP network module, Modicon M340 automation platform, 4 x RJ45 10/100.This network module has 4 x RJ45 10/100Mbps connections. It is a...

    Fujian, China
  • Trusted Seller
    F8620/4 | HIMA CPU Module

    F8620/4 | HIMA CPU Module

    • Manufacturer: Hima

    HIMA F8620/4 CPU Module The HIMA PES mainly consists of the H41q and H51q system families. Both system families are based on the same hardware and software, and they are the 3rd generation of the field-proven HIM...

    Fujian, China
  • Trusted Seller
    1738-ADN12 | Communication Adapter Module

    1738-ADN12 | Communication Adapter Module

    • Manufacturer: / Automation

    1738-ADN12 Communication Adapter Module 1738-ADN12 Communication Adapter Module . This ArmorPoint adapter is equipped with an M12 connector and rated for 24 Volts DC nominal voltage. The 1738-ADN12 adapter has a ...

    Fujian, China
  • Trusted Seller
    PCD6.A4 | SAIA | processor

    PCD6.A4 | SAIA | processor module

    • Manufacturer: SAIA

    Processor Module SAIA PCD6.A4 PCD6.A400 Competitive price,In stock SAIA PCD6.A4 PCD6.A400 NEW AND ORIGINAL IN STOCK General information Product Name: SAIA PCD6.A4 PCD6.A400 Processor Module Brand: Weight: 1 kg = ...

    Fujian, China
  • Trusted Seller
    F3349 | HIMA Digital I/O

    F3349 | HIMA Digital I/O module

    • Manufacturer: Hima

    HIMA F3349 Digital I/O module The HIMA PES described here consists of the H41q and H51q system families. Both system families are based on the same hardware and software, and they are the third generation of the ...

    Fujian, China
  • Trusted Seller
    NLMM02 | ABB | logic

    NLMM02 | ABB | logic master module

    • Manufacturer: ABB

    Analog Input Module 100% New ABB NLMM02 Module In Stock Fast Delivery ABB NLMM02 Module High Quality Product Parameters: Logic Master Module Description: Enhanced Logic Master Module Network 90 DCS More Informati...

    Fujian, China
  • Trusted Seller
    51199935-100 | Honeywell Power Supply

    51199935-100 | Honeywell Power Supply Module

    • Manufacturer: Honeywell

    Honeywell 51199935-100 Power Supply Module Honeywell 51199935-100 Power Supply Module 4.0 amps maximum continuous output current at 12.5 VDC •4.0 amps maximum continuous output current at 12.5 VDC with overload p...

    Fujian, China
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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.