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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 25–48 of 332 results

Price Latest Popularity Relevance
  • Product image for EASY-E4-AC-12RC1

    Eaton easy Control Relay - 8 Inputs, 4 Outputs, Digital, Relay, For Use With easyE4, Ethernet Networking, HMI Interface

    RS Stock No.
    1883483
    Brand
    Eaton
    Mfr. Prt No.
    197215 EASY-E4-AC-12RC1
    VND
    8,723,156.64
  • -22.70%
    Product image for OC4USB INTERFACE

    Fluke Data Acquisition Cable for USB-IR

    RS Stock No.
    4935540
    Brand
    Fluke
    Mfr. Prt No.
    OC4USB
    VND
    7,999,728.00
    VND
    5,712,036.00
  • Product image for GW CONNECTOR

    Kunbus - Connector, 22 x 101 x 115 mm, GW

    RS Stock No.
    1811140
    Brand
    Kunbus
    Mfr. Prt No.
    PR100204
    VND
    196,636.00

  • Kunbus - PLC Expansion Module for use with RevPi Connect(+), RevPi Core(3), RevPi Core(3+), RevPi Gate, 22 x 101 x 115

    VND
    0.00
  • Product image for PROFINET TPS1

    Kunbus - PLC Expansion Module for use with RevPi Connect(+), RevPi Core(3), RevPi Core(3+), RevPi Gate, 22 x 101 x 115

    RS Stock No.
    1811138
    Brand
    Kunbus
    Mfr. Prt No.
    PR100074
    VND
    7,863,713.44
  • Product image for ETHERCAT

    Kunbus - PLC Expansion Module for use with RevPi Connect(+), RevPi Core(3), RevPi Core(3+), RevPi Gate, 22 x 101 x 115

    RS Stock No.
    1811136
    Brand
    Kunbus
    Mfr. Prt No.
    PR100073
    VND
    5,372,479.20
  • Product image for REVPI AIO ANALOG

    Kunbus - PLC I/O Module for use with Revolution Pi Connect, Revolution Pi Core, 96 x 22.5 x 110.5 mm, 0...5 V, 0...10

    RS Stock No.
    1811146
    Brand
    Kunbus
    Mfr. Prt No.
    PR100250
    VND
    10,659,589.60

  • Kunbus - PLC I/O Module for use with Revolution Pi Connect, Revolution Pi Core, 96 x 22.5 x 110.5 mm, Digital, Digital,

    VND
    0.00

  • Kunbus - PLC I/O Module for use with Revolution Pi Connect, Revolution Pi Core, 96 x 22.5 x 110.5 mm, Digital, Digital,

    RS Stock No.
    1811143
    Brand
    Kunbus
    Mfr. Prt No.
    PR100197
    VND
    5,588,299.20

  • Mitsubishi - Bus Coupler for use with FX5U CPU Module, FX5UC CPU Module, 16 x 90 x 83 mm, Current, Voltage, FX5, 5 V dc

    VND
    0.00
  • Product image for FX5U BUS CONVERSION MODULE FOR FX3

    Mitsubishi - Bus Coupler for use with FX5U CPU Module, FX5UC CPU Module, 16 x 90 x 83 mm, Current, Voltage, FX5, 5 V dc

    RS Stock No.
    8755745
    Brand
    Mitsubishi
    Mfr. Prt No.
    FX5-CNV-BUS
    VND
    1,662,101.76

  • Mitsubishi - Cable for use with Alpha Series

    VND
    0.00
  • Product image for ALPHA LOGIC CONTROLLER INTERCONN CABLE

    Mitsubishi - Cable for use with Alpha Series

    RS Stock No.
    3401939
    Brand
    Mitsubishi
    Mfr. Prt No.
    AL-232CAB
    VND
    3,664,719.52
  • Product image for FX3U USB PROGRAM CABLE

    Mitsubishi - Interface Module for use with FX Series, FX3U

    RS Stock No.
    5390948
    Brand
    Mitsubishi
    Mfr. Prt No.
    FX-USB-AW
    VND
    11,021,783.52

  • Mitsubishi - PLC Expansion Module for use with FX2N Series, 90 x 43 x 87 mm, Analogue, Digital, 24 V dc

    VND
    0.00
  • Product image for FX MODULE AD-CONVERTER 2-CHANNEL

    Mitsubishi - PLC Expansion Module for use with FX2N Series, 90 x 43 x 87 mm, Analogue, Digital, 24 V dc

    RS Stock No.
    7816919
    Brand
    Mitsubishi
    Mfr. Prt No.
    FX2N-2AD
    VND
    9,155,372.16
  • Product image for FX3 PLC RS485 INTERFACE MODULE MODBUS

    Mitsubishi - PLC Expansion Module for use with FX3U Series, 106 x 17.6 x 89.5 mm, 5 V dc

    RS Stock No.
    7054916
    Brand
    Mitsubishi
    Mfr. Prt No.
    FX3U-485ADP-MB
    VND
    5,894,475.84

  • Mitsubishi - PLC I/O Module for use with FX5U CPU Module, FX5UC CPU Module, 40 x 90 x 83 mm, Sink, Source, G4

    VND
    0.00
  • Product image for FX5 DIGITAL EXPANSION MODULE 16I 24VDC

    Mitsubishi - PLC I/O Module for use with FX5U CPU Module, FX5UC CPU Module, 40 x 90 x 83 mm, Sink, Source, G4

    RS Stock No.
    8755701
    Brand
    Mitsubishi
    Mfr. Prt No.
    FX5-16EX/ES
    VND
    8,727,568.96
  • Product image for FX3U ANALOGUE ADAPTER,4 PT100 INPUTS

    Mitsubishi - PLC I/O Module for use with MELSEC FX Series, 90 x 17.6 x 89.5 mm, Analogue, Relay, Transistor, MELSEC FX,

    RS Stock No.
    5390768
    Brand
    Mitsubishi
    Mfr. Prt No.
    FX3U-4AD-PT-ADP
    VND
    18,706,510.24
  • Product image for Mitsubishi PLC I/O Module for use with MELSEC FX Series 90 x 55 x 87 mm Analogue 4 5 V dc, 24 V dc

    Mitsubishi - PLC I/O Module for use with MELSEC FX Series, 90 x 55 x 87 mm, Analogue, 5 V dc, 24 V dc

    RS Stock No.
    7054925
    Brand
    Mitsubishi
    Mfr. Prt No.
    FX3U-4AD
    VND
    15,010,904.48
  • Product image for Mitsubishi PLC I/O Module for use with MELSEC FX Series 90 x 55 x 87 mm Analogue 5 V dc, 24 V dc

    Mitsubishi - PLC I/O Module for use with MELSEC FX Series, 90 x 55 x 87 mm, Analogue, 5 V dc, 24 V dc

    RS Stock No.
    7054928
    Brand
    Mitsubishi
    Mfr. Prt No.
    FX3U-4DA
    VND
    23,668,643.68

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

    VND
    0.00