{"id":10463,"date":"2018-07-11T10:46:13","date_gmt":"2018-07-11T08:46:13","guid":{"rendered":"https:\/\/www.kromschroeder.de\/process-heat\/products\/kromschroeder-system-technology\/gas-systems\/standards\/sil-pl\/examples-of-safety-functions\/high-temperature-monitoring\/"},"modified":"2021-01-06T15:23:53","modified_gmt":"2021-01-06T14:23:53","slug":"high-temperature-monitoring","status":"publish","type":"page","link":"https:\/\/www.kromschroeder.de\/en\/kromschroeder-system-technology\/gas-systems\/standards\/sil-pl\/examples-of-safety-functions\/high-temperature-monitoring\/","title":{"rendered":"High temperature monitoring"},"content":{"rendered":"

[et_pb_section fb_built=”1″ fullwidth=”on” _builder_version=”3.22″][et_pb_fullwidth_menu menu_id=”52″ submenu_direction=”downwards” fullwidth_menu=”off” active_link_color=”#aaaaaa” dropdown_menu_line_color=”#ffffff” dropdown_menu_text_color=”#ffffff” mobile_menu_bg_color=”#ffffff” mobile_menu_text_color=”#000000″ _builder_version=”3.0.89″ background_color=”#000000″ background_layout=”dark”][\/et_pb_fullwidth_menu][\/et_pb_section][et_pb_section fb_built=”1″ fullwidth=”on” _builder_version=”3.22″][et_pb_fullwidth_menu menu_id=”83″ submenu_direction=”downwards” fullwidth_menu=”off” admin_label=”KST Men\u00fc” _builder_version=”3.8.1″ background_color=”#3f3f3f” background_layout=”dark”][\/et_pb_fullwidth_menu][\/et_pb_section][et_pb_section fb_built=”1″ _builder_version=”3.22″ custom_padding=”0px||0px|”][et_pb_row _builder_version=”3.25″ background_size=”initial” background_position=”top_left” background_repeat=”repeat” custom_padding=”0px||0px|”][et_pb_column type=”4_4″ _builder_version=”3.25″ background_position=”top_left” custom_padding=”|||” custom_padding__hover=”|||”][et_pb_dmb_breadcrumbs font_icon=”%%36%%” _builder_version=”3.0.89″ body_text_color=”#666666″ body_font_size=”11px” link_text_color=”#666666″]<\/p>\n

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    High temperature monitoring (SIL 3, PL e)<\/h1>\n
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    The high temperature limit monitoring described in EN 746-2:2010 subclause 5.2.6.3 replaces the flame control for the burners in operating phases in which ionization\/UV flame control is no longer possible.<\/p>\n

    The limit monitoring is designed to switch from flame control to temperature monitoring in the automatic burner control unit.<\/p>\n

    The high temperature limit monitoring has the same safety goal as the flame control in the automatic burner control unit.<\/p>\n

    Risk<\/b><\/p>\n

    Non-combusted gas in the combustion chamber \u2192 explosion<\/p>\n<\/div>\n<\/div>\n

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    Determining the required SIL pursuant to IEC 62061<\/b><\/p>\n

    Frequency & exposure duration Fr: < 1 per h to \u2265 1 per day; > 10 min \u2192 5 points<\/p>\n

    Probability Pr: without high temperature monitoring, this event is likely to occur. \u2192 4 points<\/p>\n

    Avoidance Av: avoiding the hazard is impossible. \u2192 5 points<\/p>\n

    Effects: death, loss of an eye or arm<\/p>\n

    Determining the required PL pursuant to ISO 13849-1<\/b><\/p>\n

    Severity of injury S: severe (usually irreversible injury including death) \u2192 S2<\/p>\n

    Frequency and\/or duration of hazard exposure F: frequent to continuous and\/or long exposure to hazard \u2192 F2<\/p>\n

    Possibility of avoiding hazard or limiting harm P: hardly possible \u2192 P2<\/p>\n<\/div>\n<\/div>\n

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    Enter the calculated values in the adjacent \u201capp\u201d to determine the required safety level.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n

    App: Determining the required SIL, PL<\/a><\/p>\n

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    The required SIL and PL can be achieved with these products. The calculation (see below) provides verification of this.<\/p>\n

    Sensor: protective system control FCU with connected twin thermocouple<\/p>\n

    Logic: automatic burner control unit PFU<\/p>\n

    Actuator: solenoid valves for gas VAS<\/p>\n<\/div>\n

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    Application<\/h1>\n
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    The flowchart shows how the products are integrated into the application to achieve the required safely level.<\/p>\n<\/div>\n<\/div>\n<\/div>\n

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    Your specialists in system solutions. Aluminium, steel, ceramics, glass industries etc. \u2014 they all need controlled temperatures for production. <\/p>\n","protected":false},"author":1,"featured_media":0,"parent":10438,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_et_pb_use_builder":"on","_et_pb_old_content":"","_et_gb_content_width":"","footnotes":""},"class_list":["post-10463","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.kromschroeder.de\/en\/wp-json\/wp\/v2\/pages\/10463","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.kromschroeder.de\/en\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.kromschroeder.de\/en\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.kromschroeder.de\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.kromschroeder.de\/en\/wp-json\/wp\/v2\/comments?post=10463"}],"version-history":[{"count":0,"href":"https:\/\/www.kromschroeder.de\/en\/wp-json\/wp\/v2\/pages\/10463\/revisions"}],"up":[{"embeddable":true,"href":"https:\/\/www.kromschroeder.de\/en\/wp-json\/wp\/v2\/pages\/10438"}],"wp:attachment":[{"href":"https:\/\/www.kromschroeder.de\/en\/wp-json\/wp\/v2\/media?parent=10463"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}