Industrial Automation » Programmable Logic Controllers (PLC)

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2149

Used isolator

  • Trusted Seller
    PLC Direct D2-CTRINT Counter Interface

    PLC Direct D2-CTRINT Counter Interface Module

    • Manufacturer: PLC Direct

    PLC Direct D2-CTRINT Counter Interface Module. 4 Isolated DC Inputs 1 Pulse Train Output (CW) or 2 Pulse Train Outputs(CW,CCW) Used in DL205 Base

    $150 USD
    Millis, MA
  • Trusted Seller
    Allen Bradley 1771-A4B 16 Slot

    Allen Bradley 1771-A4B 16 Slot I/O Chassis w 1771-P7 Power Supply, 9 I/O modules

    • Manufacturer: Allen-Bradley
    • Model: 1771

    Modules included: (2) 1771-IA 120V AC/DC Input Module (4) 1771-OD16 120V AC Output Module (2) 1771-OW Selectable Contact Output Module (1) 1771-NIVT High Resolution Isolated Analog Series PLEASE REVIEW: We would ...

    $500 USD
    Suwanee, GA
  • Trusted Seller
    Allen-Bradley 1794-0A8I Flex I/O Digital

    Allen-Bradley 1794-0A8I Flex I/O Digital Output Module - 96282874

    • Manufacturer: Allen-Bradley
    • Model: 1794

    Used Allen-Bradley 1794-0A8I Flex I/O Digital Output Module - 96282874. 8 Isolated Outputs Series A Rev. C01 Flexbus: 5VDC, 80mA Output: 120VAC, 50/60Hz, 0.5A Each, Pilot Duty 4.0A Total PN# 96282874

    $115 USD
    Millis, MA
  • Trusted Seller
    GE EHC MK-1

    GE EHC MK-1

    • Manufacturer: GE

    “Factory Refurbished with Papers.” GE General Electric EHC MK-1 Turbine Control Isolation Amplifier Board 145D4720G0001 w/ Papers 145D4720G1 Factory Refurbished in Box with Papers. Actual Board Shown, HUGE SAVING...

    $12,235 USD

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    Est. $240/mo

    Gilbert, IA
  • Trusted Seller
    Allen-Bradley 1746-0X8

    Allen-Bradley 1746-0X8

    • Manufacturer: Allen-Bradley
    • Model: 1746

    Allen Bradley Isolated Relay Ouput

    Magnolia, TX
  • Trusted Seller
    ALLEN BRADLEY 1756-OW16I SERIES A

    ALLEN BRADLEY 1756-OW16I SERIES A Module USED

    • Manufacturer: Allen-Bradley
    • Model: 1756

    Relay Isolated Output 16PT N.O. AC C300/DC R150 Pilot Duty F/W Rev 2.1 Catalog Rev K01 Part No. 96197677 A01 Expedited shipping services are available upon request. All taxes due are the responsibility of p...

    $85 USD
    Holly, MI
  • Trusted Seller
    Foxboro 743CB-AP-13 Field Station

    Foxboro 743CB-AP-13 Field Station

    • Manufacturer: Foxboro

    Used Foxboro 743CB-AP-13 Field Station; a self-contained, field-mounted, microprocessor-based controller with the ability to perform control functions for up to two independent loops. Specifications: 120VAC, 50...

    $1,470 USD
    Millis, MA
  • Trusted Seller
    Allen-Bradley SLC500

    Allen-Bradley SLC500

    • Manufacturer: Allen-Bradley
    • Model: SLC500

    “Used, in working condition when taken out of service.” Allen Bradley SLC500 Digital Input Module 1746-IB16 Allen Bradley SLC500 Digital Input Module 1746-IB16 The Allen Bradley 1746-IB16 is a digital input modul...

    $360 USD
    Fleetwood, PA
  • Siemens Simatic S5

    Siemens Simatic S5

    • Manufacturer: Siemens
    • Model: Simatic S5

    “USED, EXCELLENT” SIEMENS 6ES5441-8MA11 SIMATIC S5 NON-ISOLATED 8 OUTPUT 0.5 AMP 24 VDC ***Local deliveries available, simply message us before purchasing so we can properly adjust the listing for you. Please pro...

    $15 USD
    Waukesha, WI
  • 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 1756-IB16IF SER A

    Allen Bradley 1756-IB16IF SER A ControlLogix Fast 16 Point Digital Input NEW

    • Manufacturer: Allen-Bradley
    • Model: 1756

    “New, pulled from custom never ran unit, minor marks from warehouse storage, GREAT CONDITION” Allen Bradley 1756-IB16IF SER A ControlLogix Fast 16 Point Digital Input *NEW* New, pulled from custom never ran unit,...

    $600 USD
    Gilbert, IA
  • Trusted Seller
    Allen-Bradley 1756-OB16IEF

    Allen-Bradley 1756-OB16IEF

    • Manufacturer: Allen-Bradley
    • Model: 1756

    “New, pulled from never ran custom unit, minor marks from warehouse storage, GREAT CONDITION” Allen-Bradley 1756-OB16IEF SER A ControlLogix 16 Point Digital Output Module *NEW* New, pulled from never ran custom u...

    $830 USD
    Gilbert, IA
  • Trusted Seller
    ICS Advent OEMC-10P Rack Assembly

    ICS Advent OEMC-10P Rack Assembly With PC Board ASSY 14008-02 / ASSY 27280-001

    • Manufacturer: Advent Instruments

    Product Information Rack Assembly With PC Board Card Industrial Computer Source ASSY 14008-02 REV B DT 360 ASSY 27280-001 REV A PCL-730 32 CH Isolated / TTL Digital I/O Rev. B2 Domino-Mini Copyright EURESYS Rev 8

    $495 USD
    Montreal, Canada
  • Allen-Bradley Allen Bradley CAT 5094-IF8IH

    Allen-Bradley Allen Bradley CAT 5094-IF8IH

    • Manufacturer: Allen-Bradley

    2023 New Sealed Allen Bradley 5094-IF8IH I/O Analog 8 Input Isolated Hart In new working and cosmetic condition. Never used. New sealed. See pictures. I will ship within one business day. International buyers are...

    $2,500 USD
    Houston, TX
  • Trusted Seller
    Omron CS1G-CPU43H, CPU UNIT

    Omron CS1G-CPU43H, CPU UNIT

    • Manufacturer: Omron

    Omron SYSMAC CS1G PLC Assembly CS1G-CPU43H SCB41-V1 DK001 PTS02 MD291 Spare Inventory # K-7677 Model No: SYSMAC CS1G Installed Modules Part No: CS1W-SCB41-V1, SERIAL COMMUNICATION BOARD, SCB41-V1 Part No: C200HW-...

    $510 USD
    Albuquerque, NM
7891011

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.