{"schemaVersion":1,"slug":"station-alarm-timestamp-interface","name":"Station alarm timestamp interface","kind":"symbol","abbreviation":"SATI","aliases":["Substation automation and command interfaces","substations Substation automation and command interfaces","substations","Substations","Alarm event and time","Time-tagged alarm"],"category":"measurement-protection","drawingTypes":["Schematic"],"referenceFamilies":["Manufacturer"],"summary":"Associates the source event time with its station alarm record.","description":["Associates the source event time with its station alarm record. Station automation collects measurements and statuses and issues assigned commands through defined authority paths. A communicated point has a value, quality and equipment identity; it should not be treated as an unexplained contact.","In a substation control building, the station controller receives bay information and forwards an operator's selected command to the correct bay device. Device feedback confirms whether the intended result actually occurred. For this reference, the drawing identifies “Alarm event and time” at the input and “Time-tagged alarm” at the output. Reception time can differ from source event time.","Document the point mapping, source, destination, command authority and failure behavior. A communication interface block explains information flow and does not certify network security or control-system availability. The functional block is an independent explanation of this named application. Equipment-specific ratings, terminal connections and operating conditions must be established in the project documentation."],"readingNotes":["Start at the named input: Alarm event and time. Identify its source device or document and the state represented on the drawing.","Follow the named output: Time-tagged alarm. Cross-reference its destination and separate the command from confirmation that the equipment responded.","Reception time can differ from source event time.","Document the point mapping, source, destination, command authority and failure behavior. A communication interface block explains information flow and does not certify network security or control-system availability."],"drawingChecklist":["Label the source and connection reference for alarm event and time.","Identify the destination and defined state of time-tagged alarm.","Record the equipment or control-document revision supporting this functional block.","Check this application limit in the project design: Reception time can differ from source event time."],"distinction":"Reception time can differ from source event time. This reference describes the named application; it does not establish a new IEC graphical symbol, an ANSI device-function number or an exact manufacturer connection diagram.","facts":[{"label":"Representation","value":"Functional block"},{"label":"Installation focus","value":"Substations"},{"label":"Input / boundary","value":"Alarm event and time"},{"label":"Output / connection","value":"Time-tagged alarm"},{"label":"Lookup label","value":"SATI is a library lookup label, not a standard device designation."}],"references":[{"sourceId":"pi26-station-automation","relevance":"Public technical context for substation automation and command interfaces. Station I/O, alarms, event recording, command and communications interfaces. The application text and educational graphic are independently authored; the publisher does not certify this representation."}],"related":["ga-substation-rtu","plc-digital-input","station-communications-gateway-boundary"],"artwork":"pi26-station-alarm-timestamp-interface","publishedOn":"2026-11-03","updatedOn":"2026-11-03","provenance":"independent-public-research","representation":{"type":"functional-block","focus":"substations","family":"station-automation","input":"Alarm event and time","output":"Time-tagged alarm"},"plainEnglish":{"title":"What this block does","introduction":"Associates the source event time with its station alarm record.","example":"In a substation control building, the station controller receives bay information and forwards an operator's selected command to the correct bay device. Device feedback confirms whether the intended result actually occurred. For this reference, the drawing identifies “Alarm event and time” at the input and “Time-tagged alarm” at the output. Reception time can differ from source event time.","drawings":"Start at the named input: Alarm event and time. Identify its source device or document and the state represented on the drawing. Follow the named output: Time-tagged alarm. Cross-reference its destination and separate the command from confirmation that the equipment responded.","terms":[{"name":"Input","meaning":"Alarm event and time"},{"name":"Output","meaning":"Time-tagged alarm"},{"name":"Application reference","meaning":"An explanation of a named drawing function or circuit relationship; the project documents define the equipment and its connections."}],"diagram":"flow","steps":["Alarm event and time","SATI","Time-tagged alarm"],"caption":"A reading guide. The entry's original illustration and input/output facts describe this application.","sources":[{"label":"SEL-2411 programmable automation controller","url":"https://selinc.com/products/2411/"}],"profileId":"power-installation-station-automation"},"url":"https://eloragrid.ai/symbols/station-alarm-timestamp-interface","illustration":{"url":"https://eloragrid.ai/tools/electrical-library/illustrations/station-alarm-timestamp-interface.svg","scope":"Original educational concept; not an official standard graphic or product footprint","license":"https://creativecommons.org/licenses/by/4.0/"},"sources":[{"id":"pi26-station-automation","publisher":"SEL","title":"SEL-2411 programmable automation controller","url":"https://selinc.com/products/2411/","scope":"Station I/O, alarms, event recording, command and communications interfaces.","type":"manufacturer","checkedOn":"2026-11-03","reuse":"link-only","relevance":"Public technical context for substation automation and command interfaces. Station I/O, alarms, event recording, command and communications interfaces. The application text and educational graphic are independently authored; the publisher does not certify this representation."}]}