{"schemaVersion":1,"slug":"plc-analog-output","name":"PLC analog output","kind":"symbol","abbreviation":"AO","aliases":[],"category":"control-circuits","drawingTypes":["Schematic"],"referenceFamilies":["Manufacturer"],"summary":"A PLC analog output provides a documented variable voltage or current signal to another device.","description":["A PLC analog output provides a documented variable voltage or current signal to another device. The receiving input and output common must match the configured signal range."],"readingNotes":["Check active/passive loop roles for current outputs.","The preview is an original explanation of this function. Match the actual drawing convention to its legend and the selected equipment documentation."],"drawingChecklist":["State output range","Identify output/common terminals","Reference receiving-device input"],"distinction":"An analog output commands a continuous signal; it is different from a switched relay contact.","facts":[{"label":"Drawing role","value":"Controller interface"},{"label":"Representation scope","value":"Functional concept; not an official standard graphic or a product footprint"},{"label":"Identifier status","value":"The short label is a functional lookup label, not an assigned IEC or IEEE symbol number. Any separately listed Autodesk code is a verified vendor block name."}],"references":[{"sourceId":"pub-symbol-analog-io","relevance":"Public documentation of this equipment function or named vendor variant; the illustration is independently authored and is not the source graphic."}],"related":["plc-io","terminal"],"artwork":"edu-plc-analog-output","publishedOn":"2026-10-13","updatedOn":"2026-10-13","provenance":"independent-public-research","url":"https://eloragrid.ai/symbols/plc-analog-output","illustration":{"url":"https://eloragrid.ai/library/illustrations/plc-analog-output.svg","scope":"Original educational concept; not an official standard graphic or product footprint","license":"https://creativecommons.org/licenses/by/4.0/"},"sources":[{"id":"pub-symbol-analog-io","title":"Modicon TM3 analog I/O hardware guide","publisher":"Schneider Electric","url":"https://www.se.com/us/en/download/document/EIO0000003131/","type":"manufacturer","scope":"Public manufacturer explanation of the equipment function and selection context.","checkedOn":"2026-10-13","reuse":"link-only","relevance":"Public documentation of this equipment function or named vendor variant; the illustration is independently authored and is not the source graphic."}]}