Programmable Logic Controllers | PLC Controller| RS
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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.

    1110 표시되는 제품 PLCs - Programmable Logic Controllers

    RS PRO
    -
    -
    36
    Transistor
    RS PRO PLC Expansion Modules
    85 → 265 Vac
    AC
    -
    24
    -
    Modbus RTU, TCP
    -
    -
    -
    -
    COM Port
    Siemens
    -
    SIMATIC S7-1200
    8 (Digital, 2 switch as Analogue)
    Digital, Transistor
    SIMATIC S7-1200 Series
    20.4 → 28.8 V dc
    Analogue, Digital
    8
    6 (Digital Output, Transistor Output)
    24 V dc
    Ethernet
    6
    Saves energy
    Yes
    -
    Ethernet, PROFINET
    Siemens
    -
    SIMATIC DP
    20
    Both Analog and Digital
    SIMATIC ET 200SP
    24 V
    -
    -
    20
    -
    Ethernet, Profinet
    -
    -
    -
    -
    PROFINET
    Bosch Rexroth
    -
    ctrlX CORE
    -
    -
    PLC applications, EtherCAT Master
    24 V dc
    -
    -
    -
    -
    3x 1 Gbit Ethernet
    -
    -
    -
    -
    EtherCAT Master
    Siemens
    -
    SIMATIC S7-1500
    -
    Transistor
    SIMATIC S7-1500 Series
    -
    -
    20
    32
    24 V
    -
    20
    Saves energy
    Yes
    -
    -
    Mitsubishi Electric
    -
    FX3S
    8
    Relay, Transistor
    FX3 Series
    -
    DC
    -
    6
    100 → 240 V ac
    Ethernet, ModBus
    -
    -
    -
    -
    -
    Omron
    -
    CJ2M
    -
    Pulse
    CJ2M Series
    -
    -
    -
    -
    5 V dc
    -
    -
    -
    -
    -
    -
    Siemens
    -
    SIMATIC S7-400
    0
    -
    SIMATIC S7-400 Series
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    RS-485
    Mitsubishi Electric
    -
    FX5U
    40
    Relay, Transistor
    MELSEC IQ-F Series IQ Platform-Compatible PLC
    -
    Sink, Source
    -
    40
    100 → 240 V ac
    Inverter Communication, MELSEC Communication protocol (3C/4C Frames), MELSOFT Connection, Modbus RTUI, N:N Network, Predefined Protocol Support, SLMP (3E Frame), Socket Communication
    -
    -
    -
    -
    -
    Siemens
    -
    SIMATIC S7-1500TF
    20
    CPU
    SIMATIC S7-1500 Series
    -
    -
    20
    20
    24 V DC
    Profibus, Profinet
    20
    -
    -
    -
    PROFIBUS, PROFINET
    Siemens
    -
    S7-300
    24 (Digital), 4 (Analogue)
    Analogue, Digital
    SIMATIC S7-300 Series
    -
    Analogue, Digital
    -
    16 (Digital), 2 (Analogue)
    24 V dc
    USB
    -
    -
    -
    -
    -
    Siemens
    -
    SIMATIC S7-300
    -
    -
    SIMATIC S7-300 Series
    24 V
    -
    -
    -
    24 V dc
    -
    -
    -
    -
    -
    PROFINET
    Siemens
    -
    SIMATIC S7-1500F
    20
    -
    SIMATIC S7-1500F
    -
    -
    20
    20
    24 V
    Profibus, Profinet
    20
    -
    -
    -
    PROFIBUS, PROFINET
    Mitsubishi Electric
    -
    Q Series
    -
    -
    MELSEC Q Series
    -
    -
    -
    -
    -
    Ethernet
    -
    -
    -
    -
    -
    Siemens
    -
    SIMATIC S7-1500
    16
    Encoder
    SIMATIC S7-1500 Series
    24 V dc
    Digital
    16
    16
    24 V
    Profibus, Profinet
    -
    Saves energy
    Yes
    -
    -
    Siemens
    -
    SIMATIC S7-1500F
    20
    CPU
    SIMATIC S7-1500 Series
    -
    -
    20
    20
    24 V DC
    Profinet
    20
    -
    -
    -
    PROFINET
    Siemens
    -
    SIMATIC S7-1500
    20
    -
    SIMATIC S7-1500 Series
    -
    -
    20
    20
    24 V
    Profibus, Profinet
    20
    -
    -
    -
    PROFIBUS, PROFINET
    Siemens
    -
    SIMATIC S7-1500H
    -
    CPU
    SIMATIC S7-1500 Series
    -
    -
    20
    -
    24 V DC
    Profinet
    20
    -
    -
    -
    Ethernet, PROFINET
    Siemens
    -
    SIMATIC S7-300
    -
    -
    SIMATIC S7-300 Series
    -
    -
    0
    -
    24 V dc
    -
    0
    -
    -
    -
    -
    Siemens
    -
    SIMATIC ET 200SP
    1
    -
    SIMATIC ET 200SP
    24 V
    -
    -
    -
    -
    Ethernet, Profibus, Profinet
    -
    -
    -
    -
    PROFINET
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