Industrial Automation » Programmable Logic Controllers (PLC)

Search By Manufacturer

Search By Country

Building Filters

1793

Used relay

  • Trusted Seller
    IRDH275-435 | BENDER Monitors

    IRDH275-435 | BENDER Monitors

    • Manufacturer: BENDER

    BENDER IRDH275-435 Monitors BENDER IRDH275-435 Monitors Insulation monitoring for unearthed AC, AC/DC systems 0…793 V, DC 0…650 V Features Insulation monitoring for unearthed AC, AC/DC systems 0…793 V, DC 0…650 V...

    Fujian, China
  • Trusted Seller
    12M9-0006-A4 | GE CT module

    12M9-0006-A4 | GE CT module

    • Manufacturer: GE

    GE 12M9-0006-A4 CT module The 12M9-006-A4 is a CT module for GE Multilin’s MM300 series, a line of motor management relays that protect, control, and monitor low voltage motor systems. The CT module offers a resi...

    Fujian, China
  • Trusted Seller
    3BDH000734R1 CBC11-P AC870P | ABB

    3BDH000734R1 CBC11-P AC870P | ABB Open Loop Control

    • Manufacturer: ABB
    • Model: 3BDH

    ABB 3BDH000734R1 CBC11-P AC870P Open Loop Control General Information Product ID:3BDH000734R1 ABB Type Designation:CBC 11-P Catalog Description:CBC 11-P, Open Loop Control Long Description:CBC 11-P, Open Loop Con...

    Fujian, China
  • Trusted Seller
    ESVI1 L54E1100BB00 | Alstom I/O

    ESVI1 L54E1100BB00 | Alstom I/O Card

    • Manufacturer: Alsthom

    Alstom ESVI1 L54E1100BB00 I/O Card Part Number ESVI1 L54E1100BB00 Type:Digital I/O Module (Vital Safety) I/O Channels Inputs: 16–24 channels (24V DC, isolated) Outputs: 8–16 channels (24V DC, relay/OC) Voltage Le...

    Fujian, China
  • Trusted Seller
    900P02-0001| Honeywell power supply

    900P02-0001| Honeywell power supply

    • Manufacturer: Honeywell

    Honeywell 900P02-0001 power supply Honeywell 900P02-0001 power supply All HC900 I/O modules support a user specified failsafe value (analog) or state (digital) that the module All HC900 I/O modules support a user...

    Fujian, China
  • Trusted Seller
    1B30035H01 | Emerson I/O MODULE

    1B30035H01 | Emerson I/O MODULE

    • Manufacturer: Emerson

    EMERSON 1B30035H01 I/O MODULE EMERSON 1B30035H01 I/O MODULE BASE ASSY, 2 SLOT STANDARD I/O 1B30035H01 SPARE PART I/O MODULE OVATION BASE ASSEMBLY STANDARD 2SLOT 9KVA 480V BASE ASSY, 2 SLOT STANDARD I/O • Ovation ...

    Fujian, China
  • Trusted Seller
    5441-693 Woodward I/O MODULE

    5441-693 Woodward I/O MODULE

    • Manufacturer: Woodward

    PLC RELAY MODULE Woodward 5441-693 24 In/12 Out Hd Discrete I/o Module D513656 Woodward makes models of its Load Sharing Module for use with engines equipped with speed controls that accept a ±3 Vdc speed setting...

    Fujian, China
  • Trusted Seller
    CJ1W-OD263 | OMRON I/O Unit

    CJ1W-OD263 | OMRON I/O Unit

    • Manufacturer: Omron
    • Model: CJ1W

    OMRON CJ1W-OD263 OD263 I/O Unit OMRON CJ1W-OD263 OD263 I/O Unit High-speed output models are available, meeting versatile applications. ON Response Time: 15μs, OFF Response Time: 80μs • High-speed output models a...

    Fujian, China
  • Trusted Seller
    5610102050 Rexroth pressure regulator​

    5610102050 Rexroth pressure regulator​

    • Manufacturer: Bosch - Rexroth

    pressure regulator​ 5610102050,EV07-001-060-020-2DIAA Rexroth 5610102050 Industrial Control System,Pressure regulator Detail Information Manufacture Year: 2020 Control System: 5610102050 Application: Nuclear Powe...

    Fujian, China
  • Trusted Seller
    C6675 6675 | ENTEK Rotation

    C6675 6675 | ENTEK Rotation Monitor Display

    • Manufacturer: ENTEK

    ENTEK C6675 6675 Rotation Monitor Display ENTEK C6675 6675 Rotation Monitor Display The Entek IRD 6600 Series protection monitors are part of a modular protection system for critical machinery. The Entek IRD 6600...

    Fujian, China
  • Trusted Seller
    IQ DP-4000 | CUTLER-HAMMER Metering

    IQ DP-4000 | CUTLER-HAMMER Metering Devices

    • Manufacturer: Cutler-Hammer

    CUTLER-HAMMER IQ DP-4000 Metering Devices CUTLER-HAMMER IQ DP-4000 Metering Devices The IQ DP-4000 is a microprocessor-based monitoring and protective device that provides electrical metering and system voltage p...

    Fujian, China
  • Trusted Seller
    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
    RSP21-120-24 | RELIANCE | power

    RSP21-120-24 | RELIANCE | power supply

    • Manufacturer: Reliance Electric

    Power Supply RELIANCE RSP21-120-24 Competitive price,In stock RELIANCE RSP21-120-24 New and Original In stock GENERAL INFORMATION BRAND/ MANUFACTURER: Reliance Electric MANUFACTURER PART NUMBER: RSP21-120-24 PROD...

    Fujian, China
  • Trusted Seller
    Emerson 9510-00027 Configuration Software

    Emerson 9510-00027 Configuration Software

    • Manufacturer: Emerson

    Configuration Software EPRO 9510-00027 | Configuration Software for AMS 6500 Monitors Best Price Emerson EPRO 9510-00027 | Configuration Software for AMS 6500 Monitors One Year Warranty Why choose us? Integrity, ...

    Fujian, China
  • Trusted Seller
    H6142-05 | NORTH AMERICAN |

    H6142-05 | NORTH AMERICAN | VOLTAGE METER

    • Manufacturer: Norte

    PC BOARD Get the best deals for H6142-05 In stock ready to ship H6142-05 NORTH AMERICAN MFG CONTROLLER,PC BOARD,VOLTAGE METER,3 RELAY H6142-05 NORTH AMERICA Dual Digital Output Module ◆◆ Before-sales Services 1.2...

    Fujian, China
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.