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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.

    1177 產品顯示為 PLCs - Programmable Logic Controllers

    HK$4,454.20
    Industrial Shields
    -
    M-DUINO
    35
    Digital Isolated Output
    -
    12 → 24 V dc
    Analog, Digital
    -
    -
    -
    -
    -
    -
    -
    -
    -
    HK$6,211.20
    Industrial Shields
    -
    M-DUINO
    25
    Relay
    -
    12 → 24 V dc
    Analog, Digital
    -
    -
    -
    -
    -
    -
    -
    -
    -
    HK$40,554.00
    Lovato
    -
    ATP
    6
    Relay
    ATL600 and ATLDPS1
    230 V ac
    Digital
    -
    -
    -
    -
    -
    -
    -
    -
    -
    • RS庫存編號 279-3044
    • 製造零件編號 750-815/300-000
    HK$5,273.00
    WAGO
    -
    750-8
    1
    -
    -
    24 V
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    • RS庫存編號 276-1513
    • 製造零件編號 171CBU98090
    HK$23,798.74
    Schneider Electric
    -
    -
    2048
    -
    -
    4.75 → 5.25 V
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    • RS庫存編號 279-3061
    • 製造零件編號 750-8215
    HK$11,385.00
    WAGO
    -
    PFC200
    4
    -
    -
    24 V
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    HK$9,533.10
    Schneider Electric
    -
    Twido
    24
    Relay, Transistor
    -
    100 → 240 V ac
    Sink/Source
    -
    16
    -
    -
    -
    -
    Yes
    Green Premium
    -
    HK$5,161.80
    Industrial Shields
    -
    Raspberry PLC
    13
    Analogue, Digital
    -
    12 → 24 V dc
    Analog, Digital
    -
    -
    -
    -
    -
    -
    -
    -
    -
    HK$1,282.50
    Crouzet
    -
    Millenium 3
    8
    Relay
    Millenium 3 Series
    100 → 240 V ac
    Digital
    -
    6
    -
    -
    -
    -
    -
    -
    -
    • RS庫存編號 279-3077
    • 製造零件編號 750-862
    HK$5,043.78
    WAGO
    -
    750
    2
    -
    -
    24 V
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    • RS庫存編號 279-3066
    • 製造零件編號 750-8217
    HK$18,144.50
    WAGO
    -
    PFC200
    2
    -
    -
    24 V
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    HK$4,889.30
    WAGO
    -
    750
    2
    Transistor
    Resistance Sensors
    24 V
    Digital
    -
    -
    -
    -
    -
    -
    -
    -
    -
    • RS庫存編號 282-4695
    • 製造零件編號 6ES7514-2SN03-0AB0
    HK$28,076.80
    Siemens
    -
    SIMATIC ET 200SP
    -
    -
    SIMATIC ET 200SP
    24 V
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    • RS庫存編號 282-4694
    • 製造零件編號 6ES7514-2DN03-0AB0
    HK$24,644.00
    Siemens
    -
    SIMATIC ET 200SP
    -
    -
    SIMATIC ET 200SP
    24 V
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    HK$10,585.00
    Mitsubishi Electric
    -
    FX3U
    24
    Relay
    -
    24 V dc
    Sink/Source
    -
    24
    -
    -
    -
    -
    -
    -
    -
    HK$12,827.08
    Mitsubishi Electric
    -
    FX3U
    24
    Transistor
    -
    24 V dc
    Sink/Source
    -
    24
    -
    -
    -
    -
    -
    -
    -
    • RS庫存編號 812-9843
    • 製造零件編號 FT1A-H48SC
    HK$9,861.90
    Idec
    -
    FT1A
    30
    Transistor
    -
    -
    Sink, Source
    -
    18
    100 → 240 V ac
    Ethernet
    -
    -
    -
    -
    -
    • RS庫存編號 812-9774
    • 製造零件編號 FT1A-B12RC
    HK$4,101.00
    Idec
    -
    FT1A
    8
    Relay
    -
    -
    Contact
    -
    4
    100 → 240 V ac
    -
    -
    -
    -
    -
    -
    HK$5,953.60
    Omron
    -
    CP1L
    18
    Transistor
    SYSMAC CP1L Series
    -
    DC
    -
    12
    20.4 → 26.4 V dc
    USB
    -
    -
    -
    -
    -
    • RS庫存編號 818-4197
    • 製造零件編號 CJ1W-AD04U
    HK$6,676.41
    Omron
    -
    CJ1
    -
    -
    CJ1 Series
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
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