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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

    • RS庫存編號 279-3070
    • 製造零件編號 750-837
    HK$5,273.00
    WAGO
    -
    750
    1
    -
    -
    24 V
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    • RS庫存編號 149-178
    • 製造零件編號 6AG1510-1DK03-2AB0
    HK$15,264.90
    Siemens
    -
    6AG1510
    20
    -
    SIPLUS ET 200SP
    24 V dc
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    • RS庫存編號 149-088
    • 製造零件編號 6AG1512-1SM03-2AB0
    HK$28,585.80
    Siemens
    -
    6AG1512
    20
    -
    SIPLUS ET 200SP
    24 V dc
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    • RS庫存編號 214-6949
    • 製造零件編號 NX-CSG320
    HK$15,448.30
    Omron
    -
    NX-CSG
    -
    -
    NX Series
    -
    -
    -
    -
    -
    Ethernet
    -
    -
    -
    -
    -
    • RS庫存編號 279-3074
    • 製造零件編號 750-842
    HK$5,149.60
    WAGO
    -
    750
    1
    -
    -
    24 V
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    • RS庫存編號 288-167
    • 製造零件編號 6ED1057-4BA01-0AA0
    整套:1 个
    HK$2,600.80
    Siemens
    -
    LOGO
    -
    -
    LOGO Starter Kit 12/24RCE V8.4
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    HK$70,755.80
    Phoenix Contact
    -
    Axioline X
    24
    Analogue, Digital
    -
    24 V dc
    Analog, Digital
    -
    -
    -
    -
    -
    -
    -
    -
    -
    HK$3,318.00
    Phoenix Contact
    -
    AXC F XT ETH 1TX
    1
    -
    Compatible Modular Controller
    24 V dc
    RJ45
    -
    -
    -
    -
    -
    -
    -
    -
    -
    HK$2,778.90
    Controllino
    -
    Controllino MAXI
    12
    Relay
    Top Hat Rail
    12 or 24 V dc
    Digital and Analog
    -
    -
    -
    -
    -
    -
    -
    -
    -
    HK$1,598.70
    Controllino
    -
    Controllino MINI
    8
    Relay
    Top Hat Rail
    12 or 24 V dc
    Digital and Analog
    -
    -
    -
    -
    -
    -
    -
    -
    -
    HK$12,420.80
    ZANDER AACHEN
    -
    ZX SPS
    20
    Digital
    ZX SPS
    18 ro 30 V
    Digital
    -
    -
    -
    -
    -
    -
    -
    -
    -
    HK$1,457.90
    Crouzet
    -
    Millenium 3
    8
    Relay
    -
    -
    Analog, Digital
    8
    4
    24 V DC
    -
    -
    -
    -
    -
    -
    HK$2,068.80
    Schneider Electric
    -
    Zelio Logic
    12
    Transistor
    -
    24 V dc
    Analogue, Discrete
    -
    8
    -
    -
    -
    -
    Yes
    Green Premium
    -
    HK$5,206.91
    Schneider Electric
    -
    Modicon M172
    24
    Relay
    HVAC Control
    24
    Analog, Digital
    -
    -
    -
    -
    -
    -
    -
    -
    -
    HK$4,881.70
    Idec
    -
    FC6A-D16R1CEE
    8
    Relay
    FC6A
    24 V dc
    Analog
    -
    -
    -
    -
    -
    -
    -
    -
    -
    • RS庫存編號 226-3989
    • 製造零件編號 6ES7417-5HT06-0AB0
    HK$236,525.50
    Siemens
    -
    SIMATIC S7-400
    0
    -
    SIMATIC S7-400H/F Series
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    • 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$3,516.00
    Omron
    -
    CP1L
    8 (DC)
    Relay
    SYSMAC CP1L Series
    -
    DC
    -
    6 (Relay)
    85 → 264 V ac
    USB
    -
    -
    -
    -
    -
    HK$2,882.40
    Industrial Shields
    -
    M-DUINO
    12
    Digital Isolated Output
    -
    12 → 24 V dc
    Analog, Digital
    -
    -
    -
    -
    -
    -
    -
    -
    -
    HK$7,321.30
    Omron
    -
    CP1L-EM
    24
    Relay
    CP Series
    -
    DC
    24
    16
    20.4 → 26.4 V dc
    Ethernet
    16
    -
    -
    -
    -
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