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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.

    1116 สินค้าที่แสดงสำหรับ PLCs - Programmable Logic Controllers

    Each
    THB2,035.56
    RS PRO
    -
    -
    8
    Digital, Relay
    RS PRO Logic Modules
    110 → 240 V ac
    Digital
    -
    4
    -
    ModBus
    -
    -
    -
    -
    -
    Each
    THB32,000.17
    RS PRO
    -
    -
    24
    Transistor
    RS PRO PLC Expansion Modules
    24 VdC
    DC
    -
    24
    -
    Modbus RTU, TCP
    -
    -
    -
    -
    COM Port
    Each
    THB1,805.51
    RS PRO
    -
    -
    1
    RS485 Protocol (D-), RS485 Protocol (D+), RS485 Protocol (Two Wires)
    RS PRO Logic Modules
    12 → 24 V dc
    TTL Level
    -
    1
    -
    ModBus
    -
    -
    -
    -
    -
    Each
    THB1,509.56
    RS PRO
    -
    -
    1
    RS485 Protocol (D-), RS485 Protocol (D+), RS485 Protocol (Two Wires)
    RS PRO Logic Modules
    110 → 240 V ac
    TTL Level
    -
    1
    -
    ModBus
    -
    -
    -
    -
    -
    Each
    THB4,342.06
    RS PRO
    -
    -
    8
    Digital, Relay
    -
    110 → 240 V ac
    Digital
    -
    4
    -
    ModBus
    -
    -
    -
    -
    -
    Each
    THB18,125.98
    RS PRO
    -
    -
    14
    Transistor
    RS PRO PLC Expansion Modules
    85 → 265 Vac
    AC
    -
    12
    -
    Modbus RTU, TCP
    -
    -
    -
    -
    COM Port
    Each
    THB4,667.85
    RS PRO
    -
    -
    8
    Digital, Relay
    -
    12 → 24 V dc
    Analogue, Digital
    -
    4
    -
    ModBus
    -
    -
    -
    -
    -
    Each
    THB5,136.04
    RS PRO
    -
    -
    8
    Digital, Relay
    -
    110 → 240 V ac
    Digital
    -
    4
    -
    ModBus
    -
    -
    -
    -
    -
    • RS Stock No. 825-1681
    • หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No. 6ED1055-1MB00-0BA2
    Each
    THB4,986.05
    Siemens
    -
    LOGO!
    4
    Relay
    LOGO! 8, LOGO! 8.2
    12 → 24 V dc
    Digital
    4
    4
    -
    -
    4
    -
    -
    -
    -
    • RS Stock No. 279-3047
    • หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No. 750-8208
    Each
    THB118,922.95
    WAGO
    -
    PFC200
    2
    -
    -
    24 V
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    • RS Stock No. 432-059
    • หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No. 6ES7214-1AH50-0XB0
    Each
    THB17,872.13
    Siemens
    -
    SIMATIC S7-1200 G2
    14
    Digital
    SIMATIC S7-1200
    24 V
    Digital
    -
    -
    -
    -
    -
    -
    -
    -
    -
    Better World
    • RS Stock No. 862-4480
    • หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No. 6ES7214-1HG40-0XB0
    Each
    THB20,764.65
    Siemens
    -
    SIMATIC S7-1200
    14 (Digital, 2 switch as Analogue)
    Digital, Relay
    SIMATIC S7-1200 Series
    20.4 → 28.8 V dc
    Analogue, Digital
    14
    10 (Digital Output, Relay Output)
    24 V dc
    Ethernet
    10
    Saves energy
    Yes
    -
    PROFINET
    • RS Stock No. 667-9208
    • หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No. 750-842
    Each
    THB40,796.14
    WAGO
    -
    750
    64
    -
    I/O System 750/753
    -
    Digital
    -
    64
    24 V dc
    Ethernet, TCP/IP
    -
    -
    -
    -
    Ethernet TCP
    • RS Stock No. 288-5282
    • หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No. 750-466-1
    Each
    THB12,316.60
    WAGO
    -
    750
    2
    -
    Resistance Sensors
    10 V
    Analog
    -
    -
    -
    -
    -
    -
    -
    -
    -
    • RS Stock No. 215-7335
    • หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No. CP1E-E10DR-D
    Each
    THB10,710.46
    Omron
    -
    CP1E
    -
    -
    CP1E
    -
    Normal
    6
    4
    -
    -
    -
    -
    -
    -
    -
    • RS Stock No. 286-395
    • หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No. JPSG2-10KR-A
    Each
    THB3,547.29
    TECO Westinghouse
    -
    SG2
    8
    Relay
    Industrial Automation
    100 → 240 V
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    • RS Stock No. 203-3728
    • หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No. 6ES7677-2SB42-0GB0
    Each
    THB179,467.25
    Siemens
    -
    SIMATIC ET 200
    -
    -
    SIMATIC ET200
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    • RS Stock No. 282-4697
    • หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No. 6ES7514-2WN03-0AB0
    Each
    THB144,524.97
    Siemens
    -
    SIMATIC ET 200SP
    -
    -
    SIMATIC ET 200SP
    24 V
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    • RS Stock No. 286-417
    • หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No. JPSG2-8ER-D
    Each
    THB2,145.49
    TECO Westinghouse
    -
    SG2
    -
    Relay
    Industrial Automation
    24 V
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    Better World
    • RS Stock No. 806-6825
    • หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No. TM221C24R
    Each
    THB15,354.84
    Schneider Electric
    Kit Included
    Modicon M221
    -
    Digital
    -
    240 V
    -
    -
    10
    -
    -
    -
    -
    Yes
    Green Premium
    RS-485
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