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PURGE SYSTEMS :The PS type control unit therefore has the function of generating all the safety sequences and functions defined in the EN IEC 60079-0: 2018 standards as well as the provisions of the 2014/34/EU directive.The PS type scanners purge the enclosure of an anti-spark equipment with a protective gas before it is put into operation, in order to avoid any presence of polluting or explosive atmosphere. The powering up and powering down of the equipment installed in the enclosure is ensured by an electro-pneumatic contact EEx d II C T6. The PS type control unit is a simple enclosure of reduced size with a minimum of connections. Four mounting brackets make it very easy to mount the control unit on a frame. Inside the envelope of the control unit, a plate is fixed on which is mounted all the pneumatic elements ensuring the functions specified in the standard. Different types according to the required scanning rates :
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