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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 73–96 of 332 results

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  • Product image for Omron Terminal Block PLC Expansion Module For Use With CJ1 Series - 6 Input, RTD Input Type

    Omron - PLC Expansion Module for use with CJ1 Series, RTD

    RS Stock No.
    5101653
    Brand
    Omron
    Mfr. Prt No.
    CJ1W-TS562
    VND
    42,268,107.20
  • Product image for Temperature sensor module,J/K type

    Omron - PLC Expansion Module for use with CJ1 Series, Thermocouple

    RS Stock No.
    5101647
    Brand
    Omron
    Mfr. Prt No.
    CJ1W-TS561
    VND
    45,836,139.36
  • Product image for CP1L Communications option,RS-232C

    Omron - PLC Expansion Module for use with CP1E-N30 Series, CP1E-N40 Series, CP1E-N60 Series, NA20 Series

    RS Stock No.
    0401484
    Brand
    Omron
    Mfr. Prt No.
    CP1W-CIF01
    VND
    2,458,429.60
  • Product image for PLC Output Expansion Module, 16 channel

    Omron - PLC Expansion Module for use with G2RV Slim I/O Relays, 143 x 90 x 56 mm, Relay, G70V, 24 V dc

    RS Stock No.
    1113765
    Brand
    Omron
    Mfr. Prt No.
    G70V-SOC16-P-1
    VND
    5,635,108.16
  • Product image for PLC Input Expansion Module, 16 channel

    Omron - PLC Expansion Module for use with G2RV Slim I/O Relays, 143 x 90 x 56 mm, Relay, G70V, 24 V dc

    RS Stock No.
    1113764
    Brand
    Omron
    Mfr. Prt No.
    G70V-SIC16-P-1
    VND
    5,635,108.16
  • Product image for CP1L Module,12x24VDC i/p,8xRelay o/p

    Omron - PLC Expansion Module for use with PLC Module, 90 x 86 x 50 mm, Voltage, Relay, 24 V dc

    RS Stock No.
    0401444
    Brand
    Omron
    Mfr. Prt No.
    CP1W-20EDR1
    VND
    10,837,425.28
  • Product image for Analogue I/O module,4in,2out,12bit,580mA

    Omron - PLC Expansion Module for use with SYSMAC CJ Series, 90 x 31 x 65 mm, Analogue, Analogue, 10 V dc

    RS Stock No.
    5101467
    Brand
    Omron
    Mfr. Prt No.
    CJ1W-MAD42
    VND
    31,784,818.56

  • Omron - PLC I/O Module for use with Omron CJ1W-OC/OA/OD, IB IL RS UNI-PAC

    VND
    0.00
  • Product image for FUJITSU CONNECTOR, 24 PIN, SOLDER TYPE

    Omron - PLC I/O Module for use with Omron CJ1W-OC/OA/OD, IB IL RS UNI-PAC

    RS Stock No.
    8184210
    Brand
    Omron
    Mfr. Prt No.
    C500CE241
    VND
    2,276,181.60
  • Product image for Slave module Compobus S SRT2R0C08

    Omron - PLC I/O Module for use with SRT2 Series, 50 x 100 x 50 mm, Relay, Voltage

    RS Stock No.
    4595439
    Brand
    Omron
    Mfr. Prt No.
    SRT2ROC08
    VND
    14,152,804.16
  • Product image for Smartslice 2-Channel analog input unit

    Omron - PLC I/O Module, Analogue

    RS Stock No.
    0145857
    Brand
    Omron
    Mfr. Prt No.
    GRT1-AD2
    VND
    0.00
  • Product image for Smartslice 2-Channel voltage output unit

    Omron - PLC I/O Module, Analogue, GRT1

    RS Stock No.
    0146002
    Brand
    Omron
    Mfr. Prt No.
    GRT1-DA2V
    VND
    0.00
  • Product image for Software 1-user license CX-One Lite V4

    Omron - PLC Programming Software for use with CP1E Series, CP1L Series

    RS Stock No.
    7055855
    Brand
    Omron
    Mfr. Prt No.
    CXONE-LT01-EV4
    VND
    15,953,798.08
  • Product image for Software CX-One Lite V4.x CD only

    Omron - PLC Programming Software for use with CP1E Series, CP1L Series

    RS Stock No.
    7055846
    Brand
    Omron
    Mfr. Prt No.
    CXONE-LTCD-EV4
    VND
    1,231,996.48
  • Product image for ZEN SOFTWARE V4

    Omron - PLC Programming Software for use with ZEN V2

    RS Stock No.
    6503016
    Brand
    Omron
    Mfr. Prt No.
    ZEN-SOFT01-V4
    VND
    5,227,640.00
  • Product image for NX I/O power feed unit, 5-24 V DC input

    Omron - Power Distribution Module for use with EtherCAT Coupler Unit, NX Series CPU Unit, 12 x 71 x 100 mm

    RS Stock No.
    1362806
    Brand
    Omron
    Mfr. Prt No.
    NXPF0630
    VND
    2,506,389.60
  • Product image for CPU, 18x in, 12x Relay out, Ethernet

    Omron CP1L-EM PLC CPU - 18 Inputs, 12 Outputs, Relay, For Use With CP Series, Ethernet Networking, Computer Interface

    RS Stock No.
    8211762
    Brand
    Omron
    Mfr. Prt No.
    CP1L-EM30DR-D
    VND
    24,736,616.96
  • Product image for 5.7in,colour touch screen,STN,black

    Omron NS5 Series Touch Screen HMI - 5.7 in, LCD Display, 320 x 240pixels

    RS Stock No.
    6173110
    Brand
    Omron
    Mfr. Prt No.
    NS5SQ10BV2
    VND
    107,997,095.36
  • Product image for ZEN Logic Module Connection Cable

    Omron ZEN Connector Cable, For Use With ZEN Series

    RS Stock No.
    7609266
    Brand
    Omron
    Mfr. Prt No.
    ZEN-CIF01
    VND
    5,494,489.44
  • Product image for LOGIC MODULE ZEN 20 I/O 12-24VDC

    Omron ZEN Logic Module - 12 Inputs, 8 Outputs, Relay, Computer Interface

    RS Stock No.
    6502984
    Brand
    Omron
    Mfr. Prt No.
    ZEN-20C1DR-D-V2
    VND
    10,297,395.68
  • Product image for MEMORY UNIT

    Omron ZEN Memory Module, For Use With ZEN Series

    RS Stock No.
    4594975
    Brand
    Omron
    Mfr. Prt No.
    ZENME01
    VND
    2,277,140.80
  • Product image for SPLITTER BOX ASI INTERFACE-M12 CONNECTOR

    Pepperl + Fuchs - Interface Module for use with Industrial Sensor AS-Interface, VAZ

    RS Stock No.
    1263489
    Brand
    Pepperl + Fuchs
    Mfr. Prt No.
    VAZ-T1-FK-G10-1M-PUR-V1-G
    VND
    1,332,328.80