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    PLCs - Programmable Logic Controllers

    PLC stands for Programmable Logic Controller. It is a digital computer-based control system commonly used in industrial automation to monitor and control machinery or processes. A PLC is designed to withstand harsh industrial environments and is typically used to automate tasks that require precision, reliability, and flexibility. It consists of a programmable microprocessor, input and output modules, and various communication interfaces.

    How do PLCs (Programmable Logic Controllers) work?

    PLCs (Programmable Logic Controllers) work by executing a program or set of instructions to control and automate industrial processes.

    • Input Acquisition
    • Program Execution
    • Program Logic
    • Decision Making
    • Output Control
    • Communication
    • Monitoring and Diagnostics

    What are the benefits of PLCs (Programmable Logic Controllers)?

    • Flexibility: Provide a high degree of flexibility in terms of programming and reprogramming. They allow for easy modification and adaptation of control logic to accommodate changes in the process or system requirements without requiring hardware modifications.
    • Reliability: Designed for reliable operation in harsh industrial environments. They are built to withstand extreme temperatures, vibration, electrical noise, and other challenging conditions. PLCs are known for their robustness and durability.
    • Real-time Operation: Offer real-time control, enabling precise and timely response to inputs and events. This is crucial in applications that require fast and accurate control, such as high-speed manufacturing processes or critical safety systems.
    • Diagnostics and Troubleshooting: PLCs provide built-in diagnostics and monitoring capabilities, allowing operators to detect faults, analyse performance, and troubleshoot issues quickly. This facilitates maintenance and minimizes downtime.
    • Safety Features: Many PLCs offer safety-oriented functionality, including specialized programming languages and certified safety modules. Safety PLCs ensure compliance with industry safety standards and provide features such as safety interlocks, emergency stop functions, and fault detection.
    • Remote Access and Monitoring: PLCs with network connectivity allow for remote access and monitoring, enabling operators to control and monitor processes from a central location or through secure remote connections. This enhances operational efficiency and facilitates remote troubleshooting.

    What applications use PLCs (Programmable Logic Controllers)?

    • Manufacturing
    • Power Generation and Distribution
    • Chemical and Petrochemical Industry
    • Water and Wastewater Treatment
    • Food and Beverage Industry
    • Automotive Industry
    • Pharmaceutical Industry
    • Packaging and Material Handling
    • Oil and Gas Industry

    More information can be found in our PLCs guide.

    1164 Products showing for PLCs - Programmable Logic Controllers

    Crouzet
    -
    Millenium 3
    16
    Relay
    XD26 Series
    24 V dc
    Analogue, Digital
    -
    -
    -
    -
    -
    -
    -
    -
    -
    Schneider Electric
    -
    Modicon M580
    -
    -
    Modicon M580
    -
    Analogue
    -
    -
    24 V dc
    Ethernet
    -
    -
    Yes
    Green Premium
    -
    Allen Bradley
    Kit Included
    Micro 850 Starter Pack - Lite
    -
    -
    Micro 800 Controllers
    -
    -
    -
    -
    24 V dc
    -
    -
    -
    -
    -
    -
    Siemens
    -
    SIPLUS S7-1200 CPU 1215C
    16
    Transistor
    SIPLUS S7-1200
    -
    Analog
    14
    12
    24 V DC
    -
    -
    Saves energy
    Yes
    -
    -
    Siemens
    -
    SIMATIC OPC UA S7-1200
    -
    -
    SIMATIC S7-1200 Series
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    Mitsubishi Electric
    -
    FX3U
    16
    Transistor
    -
    100 → 240 V ac
    Sink, Source
    -
    16
    -
    -
    -
    -
    -
    -
    -
    Schneider Electric
    -
    Easy Modicon M200
    32
    Relay
    -
    100 → 240 V ac
    Digital Input
    20
    32
    24 V
    Ethernet
    -
    -
    -
    -
    Ethernet
    Eaton
    -
    EasyE4
    8
    Digital, Relay
    -
    100 → 240 V ac/dc
    Digital
    8
    4
    100 → 240 V
    Ethernet
    4
    -
    -
    -
    Ethernet
    Allen Bradley
    -
    Micro820
    12
    Relay
    Bulletin 2080
    -
    Analogue, DC
    -
    8
    24 V dc
    Ethernet
    -
    -
    -
    -
    Ethernet
    Industrial Shields
    -
    M-Duino
    13
    Relay
    -
    12 → 24 V dc
    Analog, Digital
    -
    -
    -
    -
    -
    -
    -
    -
    -
    Omron
    -
    CP1L
    18
    Transistor
    SYSMAC CP1L Series
    -
    DC
    -
    12
    20.4 → 26.4 V dc
    USB
    -
    -
    -
    -
    -
    Omron
    -
    CP1L
    18 (DC)
    Transistor
    SYSMAC CP1L Series
    -
    DC
    -
    12 (Transistor)
    20.4 → 26.4 V dc
    USB
    12
    -
    -
    -
    -
    Siemens
    -
    LOGO
    -
    -
    LOGO Starter Kit 230RCE V8.4
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    Siemens
    -
    SIMATIC S7-300
    -
    -
    SIMATIC S7-300 Series
    -
    -
    0
    -
    24 V dc
    -
    0
    -
    -
    -
    -
    BARTH
    -
    lococube mini-PLC
    10
    Digital
    STG-650
    7 → 32 V dc
    Analogue, Digital
    -
    9
    -
    CAN
    -
    -
    -
    -
    -
    Siemens
    -
    SIPLUS S7-1200 CPU 1214C
    16
    Transistor
    SIPLUS S7-1200
    -
    Analog
    14
    10
    24 V DC
    -
    -
    Saves energy
    Yes
    -
    -
    Crouzet
    -
    Millenium 3
    12
    Transistor
    -
    24 V dc
    Digital
    -
    8
    -
    -
    -
    -
    -
    -
    -
    Mitsubishi Electric
    -
    MELSEC iQ-F
    32
    Analogue
    FX5 Expansion Adapter, FX5 Extension Module
    -
    Analogue
    -
    32
    5 V dc, 24 V dc
    -
    -
    -
    -
    -
    -
    Allen Bradley
    -
    -
    1
    -
    -
    -
    Backplane
    -
    -
    18 → 32 V DC
    -
    -
    -
    -
    -
    -
    Schneider Electric
    Kit Included
    Modicon M221
    -
    Digital
    -
    240 V
    -
    -
    10
    -
    -
    -
    -
    Yes
    Green Premium
    RS-485
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