Industrial Automation » Programmable Logic Controllers (PLC)

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Used dcs

  • Trusted Seller
    AS-Interface from ifm - AC2251

    AS-Interface from ifm - AC2251 31224

    • Manufacturer: IFM

    Profibus single module, Profibus single module, for PLC control, fieldbus, PROFIBUS, Profibus-DP, AS-i gateway

    Wiefelstede, Germany
  • Trusted Seller
    Power supply SITOP Power from

    Power supply SITOP Power from Siemens - 6EP1 334-1SL11 28740

    • Manufacturer: Siemens
    • Model: 6SL

    Power converter, power supply, power supply unit, switching power supply unit

    Wiefelstede, Germany
  • Trusted Seller
    ALLEN BRADLEY 1746-RT25B BULLETIN

    ALLEN BRADLEY 1746-RT25B BULLETIN

    • Manufacturer: Allen-Bradley
    • Model: 1746

    Allen Bradley Model 1746-RT25B Replacement Terminal Block SLC500 FOR DC I/O MODULE (BLUE)

    Hermosillo, Mexico
  • Trusted Seller
    ALLEN BRADLEY 1771-IAD/D

    ALLEN BRADLEY 1771-IAD/D

    • Manufacturer: Allen-Bradley
    • Model: 1771

    Allen-Bradley model 1771-IAD/D input module manufacturer: Allen-Bradley 120V AC/DC Never used

    Hermosillo, Mexico
  • Trusted Seller
    Peter electronic card DAS 1.5

    Peter electronic card DAS 1.5 101182

    • Manufacturer: Peter

    Output dc volt: 400V | Output ppk= kw: 1,5 KW

    Petershagen, Germany
  • Trusted Seller
    SIEMENS SIPLUS S7-300

    SIEMENS SIPLUS S7-300

    • Manufacturer: Siemens
    • Model: Simatic S7

    24V DC Analog Module, Part Number GAG321-1BL00-2AA0, Siemens Brand Manufacturer: Siemens Series LBBD-581-081 Never Used

    Hermosillo, Mexico
  • Trusted Seller
    Siemens 6GK5612-0BA10-2AA3 SCALANCE S612 Security

    Siemens 6GK5612-0BA10-2AA3 SCALANCE S612 Security Module Network Protection Device E: 2

    • Manufacturer: Siemens
    • Model: 6GK

    For sale is a new SIMATIC SCALANCE S612 V3 Security Module from Siemens, with the item number 6GK5612-0BA10-2AA3. The device has not been used and is in mint condition. Ideal for protecting industrial networks fr...

    $944 USD
    Borken, Germany
  • Siemens SIMATIC S7 digital module

    Siemens SIMATIC S7 digital module 6ES7 321-1BL00-0AA0

    • Manufacturer: Siemens
    • Model: Simatic S7

    The Siemens SIMATIC S7 digital module 6ES7 321-1BL00-0AA0 This is a proven 16-channel digital input module for DIN rail mounting within an S7-300 automation system. It is ideally suited for use in a wide variety ...

    Grenzach-Wyhlen, Germany
  • Trusted Seller
    Siemens 6AV7861-2AB10-1AA0 15" Extended Flat

    Siemens 6AV7861-2AB10-1AA0 15" Extended Flat Panel Monitor

    • Manufacturer: Siemens
    • Model: 6AV

    The 6AV7861-2AB10-1AA0 flat panel display is an advanced 15-inch TFT display optimized for industrial control applications. The XGA screen offers a resolution of 1,024 x 768 pixels with vivid color reproduction a...

    $1,606 USD
    Borken, Germany
  • Trusted Seller
    Siemens 6ES7676-3BA00-0CA0 6AV7853-0AE20-1AA0 Simatic Operator

    Siemens 6ES7676-3BA00-0CA0 6AV7853-0AE20-1AA0 Simatic Operator Panel 477B, 15" [New]

    • Manufacturer: Siemens
    • Model: 6ES

    Simatic Panel PC 477B. Model: 6AV7853-0AE20-1AA0. Alt Part #: 6ES7676-3BA00-0CA0. Intel Celeron M 1.0 GHz Profibus DP 12, 1GB RAM (DDR2). 2 X Ethernet 1 GBIT/S, 4 X USB 2.0, 500MA 1 X RS232 (COM1). Siemens 6ES767...

    $8,067 USD

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    Est. $158/mo

    Tempe, AZ
  • Siemens 6AV2125-2AE23-0AX0

    Siemens 6AV2125-2AE23-0AX0

    • Manufacturer: Siemens
    • Model: 6AV

    SIMATIC HMI CONNECTION BOX ADVANCED The SIMATIC HMI Connection Box Advanced enables the wall mounting of Mobile Panels and supports PROFINET and PROFIsafe. It offers connections for safety relays and the bridging...

    Freiberg, Germany
  • Allen Bradley 2711P-B15C22D9P

    Allen Bradley 2711P-B15C22D9P

    • Manufacturer: Allen-Bradley
    • Model: 2711

    PanelView Plus 7 The Allen-Bradley 2711P-B15C22D9P PanelView Plus 7 Performance is a state-of-the-art color terminal with a 15-inch TFT XGA screen. It combines a user-friendly keyboard with a touch screen for int...

    Freiberg, Germany
  • Allen-Bradley 1756-PB72 / 1756-A4

    Allen-Bradley 1756-PB72 / 1756-A4

    • Manufacturer: Allen-Bradley
    • Model: 1756

    Item was recently removed from working service and is in excellent working order. Item will come with a 30 Day Warranty. Cosmetically in fair condition showing moderate to heavier scuffs / scratches / blemishes f...

    $399 USD
    Rancho Cordova, CA
  • Siemens SIMATIC S7 module 3RK1055-0LB00-0AA0

    Siemens SIMATIC S7 module 3RK1055-0LB00-0AA0

    • Manufacturer: Siemens
    • Model: Simatic S7

    The Siemens SIMATIC S7 module (3RK1055-0LB00-0AA0) offered here is a compact and reliable solution for distributed automation tasks. The unit is used, shows slight signs of wear, but is in perfect working order. ...

    Grenzach-Wyhlen, Germany
  • Trusted Seller
    Siemens 6GK5748-1GD00-0AA0 Scalance IWLAN client

    Siemens 6GK5748-1GD00-0AA0 Scalance IWLAN client module

    • Manufacturer: Siemens
    • Model: 6GK

    The Siemens SCALANCE W748-1 M12 (6GK5748-1GD00-0AA0) is a rugged industrial WLAN client module designed for seamless integration into harsh, distributed automation environments. It features a single radio that pr...

    $1,558 USD
    Borken, Germany
4647484950

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.