{"schemaVersion":1,"slug":"iec-two-way-linear-motion-qualifier","name":"Two-way linear-motion qualifier","kind":"symbol","abbreviation":"Q020402","aliases":["Two-way linear-motion qualifier symbol","Q020402","Two-way linear-motion qualifier IEC reference"],"category":"control-circuits","drawingTypes":["Schematic"],"referenceFamilies":["IEC","Manufacturer"],"summary":"This qualifier identifies motion or force in both directions along a linear path.","description":["This qualifier identifies motion or force in both directions along a linear path. Opposite directions of travel belong to one linear movement relationship. Separate contacts or sensors may identify each end of travel or an intermediate position.","A control schematic should relate forward/reverse or extend/retract commands to the same mechanism tag. Limit positions and interlocks are described by their own elements."],"readingNotes":["Document the operated mechanism and its limit or rest positions.","Bidirectional motion does not imply simultaneous motion in both directions."],"drawingChecklist":["Identify the associated device, circuit or diagram boundary.","Document the operated mechanism and its limit or rest positions.","Cross-reference the equipment data, terminal mapping or operating-state legend needed to interpret the form."],"distinction":"Bidirectional motion does not imply simultaneous motion in both directions.","facts":[{"label":"Reference scope","value":"Specific public IEC-context family form"},{"label":"Publisher reference token","value":"Q020402 (Autodesk token; not a verified IEC database ID)"},{"label":"Information added","value":"Document the operated mechanism and its limit or rest positions."},{"label":"Preview","value":"Independent educational concept; consult the publisher and applicable standard for the exact graphic"}],"references":[{"sourceId":"iec-public-linear","relevance":"Official public publisher family name and reference context; vendor identifiers and graphics are distinct from licensed IEC database content."}],"related":["relay-coil","normally-open-contact"],"artwork":"edu-iec-two-way-linear-motion-qualifier","publishedOn":"2026-10-14","updatedOn":"2026-10-14","provenance":"independent-public-research","symbolVariant":{"convention":"IEC","form":"Two-way linear-motion qualifier","reference":"Autodesk IEC-60617 Symbol Preview — Linear force and motion qualifiers; vendor family reference, not certified IEC geometry or database identifier."},"url":"https://eloragrid.ai/symbols/iec-two-way-linear-motion-qualifier","illustration":{"url":"https://eloragrid.ai/library/illustrations/iec-two-way-linear-motion-qualifier.svg","scope":"Original educational concept; not an official standard graphic or product footprint","license":"https://creativecommons.org/licenses/by/4.0/"},"sources":[{"id":"iec-public-linear","title":"Autodesk IEC-60617 preview: Linear force and motion qualifiers","publisher":"Autodesk","url":"https://help.autodesk.com/cloudhelp/2021/ENU/AutoCAD-Electrical/files/GUID-D3F1AA20-F564-40CC-97D3-21EBA20E717A.htm","type":"cad-reference","scope":"Public publisher IEC-context family names and vendor block references. No vendor images or CAD library files are reproduced, and vendor tokens are not presented as verified IEC database identifiers.","checkedOn":"2026-10-14","reuse":"link-only","relevance":"Official public publisher family name and reference context; vendor identifiers and graphics are distinct from licensed IEC database content."}]}