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PLCs, HMI & Data Acquisition

A PLC (programmable logic controller) is an industrial digital computer designed for the control and automation of manufacturing processes or robotic devices. Programmable Logic Controllers are used where reliability control, simple programming and fault diagnosis is necessary. They were originally built to replace electromechanical relay systems in industrial automation.A CPU (central processing unit) forms part of the PLC system. PLC CPUs are a microprocessor-based control system and act as the electronic circuitry within an industrial computer. They are usually built-in carry out instructions from the computer program via programming languages, performing basic mathematical, logical, control, input and output operations.PLC ApplicationsPLC controllers are incredibly useful and have many applications across several industries such as manufacturing, food & beverage, and building control. PLC’s control the automation process in the machinery used for:Production plantsTraffic light controlsPackaging machinesLifts and escalatorsMedical applicationsAutomatic gate systemsHeating control systemsHow do PLC’s work?PLC Controller’s respond to inputs from programming software and give a desired output. Programmable Logic Controllers can also include human-machine interfaces.Different models use varying PLC Programs based on the programming languages used in the software. Programming languages that are used in PLC programming include:ST: Structured Text (text-based)FBD: Function Block Diagram (graphic-based)LAD: Ladder logic (graphic-based)STL: Statement List (text-based)SCL: Structured Control Language (graphic-based)PLC programming can be quite complex but there are simpler, image-based options available such as Ladder Logic that has user-friendly Ladder diagrams to understand and improve processes. Laptop and software are usually used for Ladder Logic and Ladder Diagrams, however, some older models use handheld controllers.Types of PLC’sProgrammable Logic Controllers can be categorised in multiple ways, each with different functions, features and capabilities. For example, Soft PLC’s are software based and use their own operating system but do not have their own CPU. Whereas, Hard PLC’s are hardware based and typically only include the essential control functions. The full range of programmable controllers include:Hard PLC’sSoft PLC’sCompact PLC’sSlot PLC’sUnitary PLC’sModular PLC’sProgrammable Controllers can also be made more efficient by using equipment such as, HMI displays, DIN Rails, and Communication modules (such as MODBUS) which can be enhanced into a highly functional automated control system with PLC accessories. More information can be found our complete PLCs guide

Showing 49–72 of 332 results

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  • Product image for Q SERIES 24VDC I/P POWER SUPPLY MODULE

    Mitsubishi - PLC Power Supply for use with MELSEC Q Series, 55.2 x 98 x 90 mm, Q63

    RS Stock No.
    4556664
    Brand
    Mitsubishi
    Mfr. Prt No.
    Q63P
    VND
    11,769,000.32

  • Mitsubishi - PLC Programming Software for use with GOT Series HMI's

    VND
    0.00
  • Product image for GT WORKS3, PROGRAMMING SOFTWARE SUITE

    Mitsubishi - PLC Programming Software for use with GOT Series HMI's

    RS Stock No.
    8904228
    Brand
    Mitsubishi
    Mfr. Prt No.
    GT Works3 V01-2L0C-E
    VND
    10,804,045.12
  • Product image for Mitsubishi PLC Programming Software for use with MELSEC iQ-F Series Programmable Controllers, MELSEC iQ-R Series

    Mitsubishi - PLC Programming Software for use with MELSEC iQ-F Series Programmable Controllers, MELSEC iQ-R Series

    RS Stock No.
    8772441
    Brand
    Mitsubishi
    Mfr. Prt No.
    GX Works3 V01-2L0C-E
    VND
    59,321,532.16
  • Product image for CONTROLLER ALPHA 2 14I/O 120/240VAC

    Mitsubishi Alpha 2 Logic Module - 8 Inputs, 6 Outputs, Relay, AS-I Interface

    RS Stock No.
    7816893
    Brand
    Mitsubishi
    Mfr. Prt No.
    AL2-14MR-A
    VND
    7,010,409.12

  • Mitsubishi Cable 3m For Use With HMI GT1040-QBBD, GT1045-QSBD, GT1050-QBBD, GT1055-QSBD, PLC FX1-3 Series

    VND
    0.00
  • Product image for KEYPAD GOT ACCESSORY

    Mitsubishi Cable 3m For Use With HMI GT1040-QBBD, GT1045-QSBD, GT1050-QBBD, GT1055-QSBD, PLC FX1-3 Series

    RS Stock No.
    0272494
    Brand
    Mitsubishi
    Mfr. Prt No.
    GT01-C30R4-8P
    VND
    3,235,957.12

  • Mitsubishi Cable 3m PLC FX Series

    VND
    0.00

  • Mitsubishi Cable 3m PLC FX Series

    RS Stock No.
    0272371
    Brand
    Mitsubishi
    Mfr. Prt No.
    GT10-C30R4-8P
    VND
    3,175,143.84
  • Product image for Mitsubishi FX3G Series Logic Module, 12 → 24 V dc Relay, 14 x Input, 10 x Output Without Display

    Mitsubishi FX3G Logic Module - 14 Inputs, 10 Outputs, Relay, Computer, HMI Interface

    RS Stock No.
    7054931
    Brand
    Mitsubishi
    Mfr. Prt No.
    FX3G-24MR/DS
    VND
    20,021,189.76

  • Mitsubishi FX3S PLC CPU - 8 (Sink/Source) Inputs, 6 (Relay) Outputs, Relay, For Use With FX3 Series, Ethernet, ModBus

    RS Stock No.
    1235961
    Brand
    Mitsubishi
    Mfr. Prt No.
    FX3S-14MR/DS
    VND
    8,597,309.60
  • Product image for Mitsubishi FX3U Series Logic Module, 100 → 240 V ac Transistor, 24 x Input, 24 x Output Without Display

    Mitsubishi FX3U Logic Module - 24 Inputs, 24 Outputs, Transistor, Computer, HMI Interface

    RS Stock No.
    6170228
    Brand
    Mitsubishi
    Mfr. Prt No.
    FX3U-48MT/ESS
    VND
    47,318,678.88
  • Product image for Mitsubishi FX5U PLC CPU - 40 Inputs, 40 Outputs, Inverter Communication, MELSEC Communication protocol (3C/4C Frames),

    Mitsubishi FX5U PLC CPU - 40 Inputs, 40 Outputs, Relay, Transistor, For Use With MELSEC IQ-F Series IQ

    RS Stock No.
    8755685
    Brand
    Mitsubishi
    Mfr. Prt No.
    FX5U-80MR/ES
    VND
    51,627,213.44

  • Mitsubishi GT21 Series GOT Touch-Screen HMI Display - 3.8 in, TFT LCD Display

    VND
    0.00
  • Product image for GRAPHIC TOUCH TERMINAL GT2103 ETHERNET

    Mitsubishi GT21 Series GOT Touch-Screen HMI Display - 3.8 in, TFT LCD Display

    RS Stock No.
    9016209
    Brand
    Mitsubishi
    Mfr. Prt No.
    GT2103-PMBLS
    VND
    11,039,049.12
  • Product image for Modicon STB NIM, Ethernet Modbus TCP/IP

    Modicon STB NIM, Ethernet Modbus TCP/IP

    RS Stock No.
    1355201
    Brand
    Schneider Electric
    Mfr. Prt No.
    STBNIP2212
    VND
    11,832,883.04
  • Product image for 4 ANALOG INPUTS UNIT,-10TO 10V,250?S/C H

    Omron - Analog Input Module for use with CJ PLC, EtherCAT Coupler Unit, NX Series CPU Unit, 12 x 71 x 100 mm, Analogue,

    RS Stock No.
    1362800
    Brand
    Omron
    Mfr. Prt No.
    NXAD3603
    VND
    8,356,742.24

  • Omron - Analogue Output Module for use with CJ PLC, EtherCAT Coupler Unit, NX Series CPU Unit, 12 x 71 x 100 mm,

    VND
    0.00
  • Product image for 4 ANALOG OUTPUTS UNIT,-10 TO10V,250?S/CH

    Omron - Analogue Output Module for use with CJ PLC, EtherCAT Coupler Unit, NX Series CPU Unit, 12 x 71 x 100 mm,

    RS Stock No.
    1362805
    Brand
    Omron
    Mfr. Prt No.
    NXDA3603
    VND
    7,219,322.88
  • Product image for CS1W-CN226 CPM programming cable

    Omron - Cable for use with CS1W Series

    RS Stock No.
    3652250
    Brand
    Omron
    Mfr. Prt No.
    CS1W-CN224
    VND
    6,076,723.84
  • Product image for RS232 cable PLC range cable,2m

    Omron - Cable for use with XW Series

    RS Stock No.
    2164667
    Brand
    Omron
    Mfr. Prt No.
    XW2Z200SCV
    VND
    0.00
  • Product image for DeviceNet multi-drop connector

    Omron - Connector for use with DeviceNet Communication

    RS Stock No.
    0145914
    Brand
    Omron
    Mfr. Prt No.
    XW4G-05C4-TF-D
    VND
    1,300,675.20
  • Product image for CS1W-CN118 CPM programming cable

    Omron - Peripheral Bus for use with CJ1 Seies, CS1 Series, CS1W

    RS Stock No.
    3652244
    Brand
    Omron
    Mfr. Prt No.
    CS1W-CN118
    VND
    4,871,584.96