{"schemaVersion":1,"slug":"photovoltaic-rapid-shutdown","name":"Photovoltaic rapid shutdown function","kind":"symbol","abbreviation":"RSD","aliases":["Photovoltaic rapid shutdown function","Photovoltaic rapid shutdown function functional block","Photovoltaic rapid shutdown function schematic reference"],"category":"microgrid-systems","drawingTypes":["Schematic"],"referenceFamilies":["Manufacturer"],"summary":"Rapid shutdown is a defined solar-system function that changes specified circuit conditions following a shutdown command.","description":["Rapid shutdown is a defined solar-system function that changes specified circuit conditions following a shutdown command.","A shutdown controller and field devices can form the selected shutdown arrangement.","Identify the initiating command, controlled equipment and the circuit boundary to which the shutdown action applies. This makes the intended action understandable without inventing a shutdown time or compliance claim. The selected system documentation establishes those requirements and how the devices achieve them. This is original functional artwork, not a certified standard graphic or device pinout."],"readingNotes":["Show the initiating command and controlled devices.","Identify the relevant circuit boundary.","Reference the selected shutdown behaviour and applicable installation requirements.","The functional block does not assert compliance, shutdown boundaries or a particular operating time."],"drawingChecklist":["Show the initiating command and controlled devices.","Identify the relevant circuit boundary.","Reference the selected shutdown behaviour and applicable installation requirements."],"distinction":"The functional block does not assert compliance, shutdown boundaries or a particular operating time.","facts":[{"label":"Representation type","value":"Original functional block; not a certified IEC or IEEE graphic"},{"label":"Concept input","value":"Shutdown initiation"},{"label":"Concept output","value":"Defined circuit condition"}],"references":[{"sourceId":"expansion-20261027-pvshutdown","relevance":"Solar rapid shutdown function: public technical context for the named function. Product and compliance details remain with the publisher."}],"related":["photovoltaic-inverter","power-converter","terminal"],"artwork":"expanded-photovoltaic-rapid-shutdown","publishedOn":"2026-10-27","updatedOn":"2026-10-27","provenance":"independent-public-research","plainEnglish":{"title":"What does Photovoltaic rapid shutdown function mean?","introduction":"Rapid shutdown is a defined solar-system function that changes specified circuit conditions following a shutdown command.","example":"A shutdown controller and field devices can form the selected shutdown arrangement.","drawings":"Identify the initiating command, controlled equipment and the circuit boundary to which the shutdown action applies. This makes the intended action understandable without inventing a shutdown time or compliance claim. The selected system documentation establishes those requirements and how the devices achieve them.","terms":[{"name":"Initiation","meaning":"The event or command that starts the shutdown sequence."},{"name":"Boundary","meaning":"The part of the installation to which a specified shutdown requirement applies."}],"diagram":"flow","caption":"Original functional explanation. Arrows show information or energy roles; two-headed arrows identify two-way interfaces. This is not a pinout, certified standards graphic or complete circuit.","sources":[{"label":"Solar rapid shutdown function","url":"https://www.ti.com/solution/rapid-shutdown"}],"profileId":"researched-functional-reference","checklist":["Show the initiating command and controlled devices.","Identify the relevant circuit boundary.","Reference the selected shutdown behaviour and applicable installation requirements."],"questions":[{"question":"Does a rapid-shutdown symbol prove a compliant system?","answer":"No. A functional label does not establish operating time, voltage conditions, coverage or installation compliance. The complete selected equipment and installation design must demonstrate the required behaviour."}],"steps":["Shutdown initiation","Selected shutdown controls","Defined circuit condition"],"bidirectional":false},"url":"https://eloragrid.ai/symbols/photovoltaic-rapid-shutdown","illustration":{"url":"https://eloragrid.ai/tools/electrical-library/illustrations/photovoltaic-rapid-shutdown.svg","scope":"Original educational concept; not an official standard graphic or product footprint","license":"https://creativecommons.org/licenses/by/4.0/"},"sources":[{"id":"expansion-20261027-pvshutdown","title":"Solar rapid shutdown function","publisher":"Texas Instruments","url":"https://www.ti.com/solution/rapid-shutdown","type":"manufacturer","scope":"Public functional documentation. Original explanatory text and educational block artwork; no publisher graphics or files reproduced.","checkedOn":"2026-10-27","reuse":"link-only","relevance":"Solar rapid shutdown function: public technical context for the named function. Product and compliance details remain with the publisher."}]}