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    ATEX ZONES

    PCS EXP – SIL 2 Pressurization control systems

    PCS Exp – SIL 2 is a programmable logic panel that guarantees the Ex p pressurization in the transformer substation or electric cabinets automatically and controls the maintenance of the internal pressure.

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      The use of a SIL2 processor ensures high reliability.

      The PCS Ex p – SIL2 logic consist on 4 units:

      • Pressurization unit, in Ex d enclosure that guarantees the security conditions and the management of the automatic washing and maintenance cycles with PLC SIL 2.
      • The safety devices Ex i.
      • Purge and maintenance system and completed of an automatic valve.
      • Shut-off system, indication and regulation of the pressure.

      Safety and reference standards according to the Directive ATEX 2014/34/EU:

      • EN 60079-0
      • EN-60079-2
      • EN 60079-11
      • EN 60079-14
      • IEC EN 61508
      • IEC EN 61511-1
      • IEC EN 50495

      The use of PCS Ex p – SIL 2 pressurization logic is designed to equip pressurized substations series CTS in cabinets with compatible electromechanical characteristics. It is designed to work in Zone 1 and Zone 21 and Group I Category M2.

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