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    PLCs (Programmable Logic Controllers)

    Sourced and supplied across Saudi Arabia

    A PLC enquiry is really an input and output schedule, and until that schedule exists nobody can quote a rack. Count the points by type — digital in, digital out, analogue in with their signal ranges, analogue out, temperature inputs with their sensor types — and add the spare capacity your standard requires, because a rack with no spare slots is a rack that will be replaced rather than extended. Then two decisions that cost far more than hardware. Existing plant almost always dictates the platform, since the programming environment, the spare parts already on the shelf and the engineer who knows the code all live on one family, and switching for a single project buys a maintenance problem. And if this controller performs a safety function, that is a different product with its own certification and a different lifecycle. Send the IO schedule, the platform in use and any safety requirement.

    What to state in your enquiry

    The more of this you send, the closer the first quotation lands.

    IO count by typeDigital in and out, analogue in and out, temperature inputs
    Analogue signal ranges4-20 mA, 0-10 V, RTD or thermocouple types
    Spare capacityPercentage of spare points and slots your standard requires
    Existing platformThe family already installed and supported on site
    Safety functionState the SIL requirement if this performs a safety function
    CommunicationProtocols to the HMI, SCADA, drives and remote IO
    Remote IODistributed racks, their locations and the network between them
    RedundancyCPU, power supply or network redundancy if required
    Programming languageLadder, function block or structured text per IEC 61131-3
    Panel ambientTemperature inside the enclosure, not the room
    Power supplyControl voltage available, and any UPS backing required
    Hazardous areaState the zone if the controller sits in a classified area
    Engineering scopeState if programming and commissioning are in the enquiry

    Standards we supply against

    • IEC 61131-2
    • IEC 61131-3
    • IEC 61508
    • IEC 62443

    Which type do you need?

    Select one and it travels with your enquiry. Not sure? Leave it and describe the application instead.

    We source to specification. Send your requirement and we will come back with options, lead time and pricing.