Define Discrete I/O Modules?

  • Define Discrete I/O Modules?

     Padhu updated 1 year, 2 months ago 1 Member · 1 Post
    PLC
  • Padhu

    Member
    July 19, 2020 at 10:31 am

    Discrete Input/Output modules are the most common types of I/O interface modules. This type of device connects binary or “On/Off” inputs. <div>

    On/Off inputs are devices that have only an “On” or “Off” setting, such as selector switches, pushbuttons and limit switches.

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    In discrete modules, output controls are limited to devices such as lights, relays and motor starters that require a simple On/Off switch.

    All discrete Input/Output modules are powered by a field-supplied voltage source. Discrete I/O modules are available at many different AC and DC voltage ratings.

    See chart for a list of the most common ratings.

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