{"schemaVersion":1,"slug":"roller-operated-limit-switch","name":"Roller-operated limit switch","kind":"symbol","abbreviation":"LS ROLLER","aliases":["HLS11C","VLS11C"],"category":"control-circuits","drawingTypes":["Schematic"],"referenceFamilies":["IEC","Manufacturer"],"summary":"A roller-operated limit switch transfers equipment motion through a roller actuator to its electrical contacts.","description":["A roller-operated limit switch transfers equipment motion through a roller actuator to its electrical contacts. The schematic names the mechanism while the GA or mechanical detail determines the roller location."],"readingNotes":["Check the actuation direction and travel against the mechanism detail.","The preview is an original explanation of this function. Match the actual drawing convention to its legend and the selected equipment documentation."],"drawingChecklist":["Identify roller position","State contact action","Reference travel and overtravel"],"distinction":"A roller mechanism is different from an electronic proximity sensor.","facts":[{"label":"Drawing role","value":"Actuated indication"},{"label":"Representation scope","value":"Functional concept; not an official standard graphic or a product footprint"},{"label":"Public vendor block reference","value":"HLS11C, VLS11C (Autodesk identifiers; not IEC symbol numbers)"},{"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-limits","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","normally-open-contact"],"artwork":"edu-roller-operated-limit-switch","publishedOn":"2026-10-13","updatedOn":"2026-10-13","provenance":"independent-public-research","url":"https://eloragrid.ai/symbols/roller-operated-limit-switch","illustration":{"url":"https://eloragrid.ai/library/illustrations/roller-operated-limit-switch.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-limits","title":"AutoCAD Electrical: Limit switches","publisher":"Autodesk","url":"https://help.autodesk.com/cloudhelp/2021/ENU/AutoCAD-Electrical/files/GUID-3CF4BE45-A302-4757-B5C9-C1AFF9BDC512.htm","type":"cad-reference","scope":"Public vendor catalogue naming and functional variants. Vendor block names are not IEC identifiers. Linked for reference; no graphics or CAD files are redistributed.","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."}]}