Industrial Automation » Programmable Logic Controllers (PLC)

Search By Manufacturer

Search By Country

Building Filters

1774

Used relay

  • Trusted Seller
    KJ2231X1-EA1 Emerson DeltaV

    KJ2231X1-EA1 Emerson DeltaV

    • Manufacturer: Emerson

    SIS Relay Module KJ2231X1-EA1 | SIS 24VDC SIS Relay Module | DeltaV IN STOCK READY TO SHIP Input power: 24 VDC, 70 mA,Relay contact: 30 VDC, 2.5 A,250 VAC, 2.5 A KJ2231X1-EA1 SIS 24VDC Power Module DeltaV Power S...

    Fujian, China
  • Trusted Seller
    PLC-BSP-24DC/21 | PHOENIX Terminal block

    PLC-BSP-24DC/21 | PHOENIX Terminal block

    • Manufacturer: Phoenix

    PHOENIX PLC-BSP-24DC/21 Terminal block PHOENIX PLC-BSP-24DC/21 Terminal block 6.2 mm PLC basic terminal block with spring-cage connection, without relay or solid-state relay, for mounting on DIN rail NS 35/7,5, 1...

    Fujian, China
  • Trusted Seller
    6ED1055-1FB00-0BA1 SIEMENS

    6ED1055-1FB00-0BA1 SIEMENS

    • Manufacturer: Siemens

    Transfer Multisort Elektronik Siemens | DM8 230R expansion module In stock ready to ship 230RCE,logic module, display PS/I/O: 115V/230V/relay, 8 DI/4 DQ, memory 400 blocks, modular expandable, Ethernet, integrate...

    Fujian, China
  • Trusted Seller
    1492-IFM40F-FS-2 | PLC MODULE Fixed

    1492-IFM40F-FS-2 | PLC MODULE Fixed Terminal Block

    • Manufacturer: PLC MODULE

    PLC MODULE 1492-IFM40F-FS-2 Fixed Terminal Block Digital Module with Fixed Terminal Block Extra Terminal Modules Fusible Modules Relay and Relay Expander Modules Ready to Wire Digital Cables LED Modules Sensor Mo...

    Fujian, China
  • Trusted Seller
    PM803F 3BDH000530R1 | ABB |

    PM803F 3BDH000530R1 | ABB | CPU main board

    • Manufacturer: ABB
    • Model: PM803

    PM 803F Base Unit Manufacturer : ABB Product No : 3BDH000530R1 Product type : PM803F Base Unit In stock ready to ship The PM 803F Base Unit of AC 800F consists of a housing and a CPU main board. This unit can be ...

    Fujian, China
  • Trusted Seller
    GE UR67H Digital I/O Module

    GE UR67H Digital I/O Module

    • Manufacturer: GE

    GE UR67H Digital I/O Module GE UR 67H Digital I/O Module New Factory Package Cleaned and Tested. With 1 Year Warranty. GE Multilin's UR-67H is a Digital I/O Module that provides the Universal Relays series with 8...

    Fujian, China
  • Trusted Seller
    X20DO6529 | B&R Digital Outputs

    X20DO6529 | B&R Digital Outputs Module

    • Manufacturer: B & R

    B&R X20DO6529 Digital Outputs Module B&R X20DO6529 Digital Outputs Module Relay module for 115 VAC

    Fujian, China
  • Trusted Seller
    IC609SJR100 | General Electric Series

    IC609SJR100 | General Electric Series One Junior Programmable Controller

    • Manufacturer: GE

    General Electric IC609SJR100 IC609SJR100C Series One Junior Programmable Controller Series One Junior Programmable Controller Features: Compact Construction (53 Square Inches Mounting Area) 24 I/O Connections Des...

    Fujian, China
  • Trusted Seller
    SPAJ142C AA | ABB |

    SPAJ142C AA | ABB | Control Board

    • Manufacturer: ABB
    • Model: SPAJ

    Overcurrent And Earth-Fault Relay New And Original goods and we can also provide high quality fast delivery!call us now!

    Fujian, China
  • Trusted Seller
    DXR2.M09-101A S55376-C116 | SIEMENS Compact

    DXR2.M09-101A S55376-C116 | SIEMENS Compact room automation station

    • Manufacturer: Siemens

    SIEMENS DXR2.M09-101A S55376-C116 Compact room automation station Compact room automation stations for HVAC, lighting, and shading: BACnet/MSTP communications KNX PL-Link bus to connect sensors, actuators, and op...

    Fujian, China
  • Trusted Seller
    X20DO4529 | B&R Digital Outputs

    X20DO4529 | B&R Digital Outputs Module

    • Manufacturer: B & R

    B&R X20DO4529 Digital Outputs Module B&R X20DO4529 Digital Outputs Module The module is equipped with 4 relay outputs.

    Fujian, China
  • Trusted Seller
    SIEMENS 6ES7590-1AF30-0AA0

    SIEMENS 6ES7590-1AF30-0AA0

    • Manufacturer: Siemens
    • Model: 6ES

    Digital Input Module SIMATIC S7-1500, mounting rail 530 mm (approx. 20.9 inch); incl. grounding screw, integrated DIN rail for mounting of incidentals such as terminals, automatic circuit breakers and relays In s...

    Fujian, China
  • Trusted Seller
    6ES7422-1HH00-0AA0 Siemens

    6ES7422-1HH00-0AA0 Siemens

    • Manufacturer: Siemens
    • Model: 6ES

    SM422 Digital Output Module Siemens 6ES7422-1HH00-0AA0 SIMATIC S7-400 SM422 Digital Output, 16-P, Relay, 5A Siemens 6ES7 422-1HH00-0AA0 SIMATIC S7-400 SM 422 Digital Output Module, (16) Relay Contact Digital Outp...

    Fujian, China
  • Trusted Seller
    SPHSS13 | ABB | Hydraulic

    SPHSS13 | ABB | Hydraulic Servo Module

    • Manufacturer: ABB
    • Model: SPHSS

    Hydraulic Servo Module ABB SPHSS13 Bailey SPHSS13 Hydraulic Servo Module SPH SS13 100% Brand New. 365 days warranty For detail pics,pls contact us with free In stock ready to ship Hydraulic Servo Module for Harmo...

    Fujian, China
  • Trusted Seller
    DSDO130 | ABB Digital output

    DSDO130 | ABB Digital output board

    • Manufacturer: ABB
    • Model: DSDO

    ABB DSDO130 Digital output board ABB DSDO130 Digital output board 16 relay ch., 24-240 VAC/VDC

    Fujian, China
3132333435

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.