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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.

    1169 產品顯示為 PLCs - Programmable Logic Controllers

    HK$14,042.24
    Mitsubishi Electric
    -
    MELSEC iQ-F
    40
    Analogue
    FX5 Expansion Adapter, FX5 Extension Module
    -
    Analogue
    -
    40
    5 V dc, 24 V dc
    -
    -
    -
    -
    -
    -
    HK$4,710.00
    Omron
    -
    CP2E
    12
    Transistor
    CP2E Series
    -
    Digital
    12
    8
    24 V dc
    Ethernet
    8
    -
    -
    -
    RS-485
    • RS庫存編號 246-1727
    • 製造零件編號 6AG1223-1QH32-4XB0
    HK$6,076.00
    Siemens
    -
    SIPLUS S7-1200
    -
    -
    SIPLUS S7-1200
    -
    DI
    8
    8
    24 V DC
    Ethernet
    -
    -
    -
    -
    -
    • RS庫存編號 215-7460
    • 製造零件編號 CJ1W-NCF82
    HK$34,581.50
    Omron
    -
    CJ1W
    16
    -
    CJ1 Series
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    • RS庫存編號 226-3984
    • 製造零件編號 6ES7416-3ES07-0AB0
    HK$198,799.60
    Siemens
    -
    SIMATIC S7-400
    0
    -
    SIMATIC S7-400 Series
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    HK$4,785.80
    Industrial Shields
    -
    M-Duino HF WiFi & BLE
    12
    Relay
    -
    12 → 24 V dc
    Analog, Digital
    -
    -
    -
    -
    -
    -
    -
    -
    -
    HK$1,723.00
    Crouzet
    -
    Millenium 3
    8
    Relay
    -
    12 V dc
    Analogue, Digital
    -
    4
    -
    -
    -
    -
    -
    -
    -
    HK$2,543.10
    Crouzet
    -
    Millenium 3
    12
    Relay
    -
    24 V ac
    Digital
    -
    8
    -
    -
    -
    -
    -
    -
    -
    • RS庫存編號 246-1780
    • 製造零件編號 6AG2241-1CH32-1XB0
    HK$4,679.80
    Siemens
    -
    SIPLUS S7-1200
    -
    -
    SIPLUS S7-1200
    -
    -
    8
    -
    24 V DC
    Ethernet
    -
    -
    -
    -
    -
    HK$9,061.20
    Mitsubishi Electric
    -
    MELSEC iQ-F
    32
    Analogue
    FX5 Expansion Adapter, FX5 Extension Module
    -
    Analogue
    -
    32
    5 V dc, 24 V dc
    -
    -
    -
    -
    -
    -
    HK$3,912.00
    Industrial Shields
    -
    M-Duino HF WiFi & BLE
    6
    Relay
    -
    12 → 24 V dc
    Analog, Digital
    -
    -
    -
    -
    -
    -
    -
    -
    -
    Better World
    HK$51,489.00
    Schneider Electric
    -
    Modicon M580
    -
    -
    Modicon M580
    -
    Analogue
    -
    -
    24 V dc
    Ethernet
    -
    -
    Yes
    Green Premium
    -
    • RS庫存編號 243-4022
    • 製造零件編號 6ES7518-4JP00-0AB0
    HK$126,424.10
    Siemens
    -
    SIMATIC S7-1500H
    -
    CPU
    SIMATIC S7-1500 Series
    -
    -
    20
    -
    24 V DC
    Profinet
    20
    -
    -
    -
    Ethernet, PROFINET
    • RS庫存編號 246-1728
    • 製造零件編號 6AG1223-3AD30-5XB0
    HK$1,750.30
    Siemens
    -
    SIPLUS S7-1200
    -
    -
    SIPLUS S7-1200
    -
    DI
    2
    2
    24 V DC
    Ethernet
    -
    -
    -
    -
    -
    HK$3,415.30
    Omron
    -
    CP1L
    8 (DC)
    Transistor
    SYSMAC CP1L Series
    -
    DC
    -
    6 (Transistor)
    20.4 → 26.4 V dc
    USB
    -
    -
    -
    -
    -
    HK$2,684.30
    Crouzet
    -
    Millenium Evo
    16 (Digital)
    Relay
    PLC
    -
    Digital
    -
    8
    24 V dc
    RJ45, SMTP, SSL, TCP, UDP, USB
    -
    Designed for disassembly
    Yes
    -
    -
    • RS庫存編號 246-1753
    • 製造零件編號 6AG1241-1AH32-2XB0
    HK$4,831.60
    Siemens
    -
    SIPLUS S7-1200
    -
    -
    SIPLUS S7-1200
    -
    RS-232
    -
    -
    24 V DC
    Ethernet
    -
    -
    -
    -
    -
    Better World
    • RS庫存編號 806-6796
    • 製造零件編號 TM241C24R
    HK$5,328.60
    Schneider Electric
    -
    Modicon M241
    14
    Relay
    -
    -
    -
    -
    10
    100 → 240 V
    -
    -
    -
    Yes
    Green Premium
    -
    Better World
    HK$84,311.16
    Schneider Electric
    -
    Modicon M580
    -
    -
    Modicon M580
    -
    Analogue
    -
    -
    24 V dc
    Ethernet
    -
    -
    Yes
    Green Premium
    -
    • RS庫存編號 215-7405
    • 製造零件編號 NX1P2-1140DT
    HK$25,747.20
    Omron
    -
    NX1P
    -
    -
    NX
    -
    General-Purpose Input B
    24
    16
    -
    -
    -
    -
    -
    -
    -
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