{"schemaVersion":1,"slug":"iec-inductive-proximity-sensor-normally-open-3-wire-with-connector","name":"IEC inductive proximity sensor: normally open 3 wire with connector","kind":"symbol","abbreviation":"IND","aliases":["HPX11IN3C","VPX11IN3C","inductive proximity sensor Normally Open 3 Wire with connector"],"category":"control-circuits","drawingTypes":["Schematic"],"referenceFamilies":["IEC","Manufacturer"],"summary":"Inductive proximity sensor form: Normally Open 3 Wire with connector.","description":["An inductive proximity sensor detects a metallic target through the effect it has on an electromagnetic sensing field. This entry identifies the normally open 3 wire with connector form in the publisher's IEC-context family.","A metal flag on a carriage can produce a controller input without touching a mechanical switch. The normally-open designation starts with a non-conducting output or open contact in the documented reference condition; operation changes that state. The three-wire form distinguishes supply, return and switching output. Confirm sourcing or sinking operation from the actual sensor circuit before connecting it to an input.","The connector variant adds a separable field interface. Keep the mating connector designation, pin numbers and cable-core mapping visible at that boundary. Target material, sensing distance and output circuit are product properties; an inductive mark does not identify PNP, NPN or a universal terminal assignment."],"readingNotes":["The normally-open designation starts with a non-conducting output or open contact in the documented reference condition; operation changes that state.","The three-wire form distinguishes supply, return and switching output. Confirm sourcing or sinking operation from the actual sensor circuit before connecting it to an input.","The connector variant adds a separable field interface. Keep the mating connector designation, pin numbers and cable-core mapping visible at that boundary.","Target material, sensing distance and output circuit are product properties; an inductive mark does not identify PNP, NPN or a universal terminal assignment."],"drawingChecklist":["Identify the target, sensing mode and expected normal condition.","Label supply, output and connector pins from the actual device diagram.","Reference output circuit type, operating range and controller input."],"distinction":"This entry adds the normally open 3 wire with connector detail to the broader inductive proximity sensor family. Target material, sensing distance and output circuit are product properties; an inductive mark does not identify PNP, NPN or a universal terminal assignment.","facts":[{"label":"Drawing form","value":"Normally Open 3 Wire with connector"},{"label":"Public vendor block names","value":"HPX11IN3C / VPX11IN3C. Autodesk identifiers, not standards database IDs."},{"label":"Drawing purpose","value":"inductive proximity sensor"},{"label":"Graphic scope","value":"Independently authored educational illustration; not certified standard geometry, a terminal pinout or a product footprint."}],"references":[{"sourceId":"pub-symbol-inductive-sensors","relevance":"Public Inductive Switches table explicitly lists HPX11IN3C / VPX11IN3C with this operating or connection form. Vendor graphics are linked, not copied."}],"related":["inductive-proximity-switch","plc-digital-input","terminal"],"artwork":"s28-iec-inductive-proximity-sensor-normally-open-3-wire-with-connector","publishedOn":"2026-10-28","updatedOn":"2026-10-28","provenance":"independent-public-research","symbolVariant":{"convention":"IEC","form":"Normally Open 3 Wire with connector","reference":"Autodesk IEC-60617 Symbol Preview: Inductive Switches, HPX11IN3C / VPX11IN3C. This identifies the publisher's library context; exact IEC graphics and database identities are not asserted."},"plainEnglish":{"title":"What does IEC inductive proximity sensor: normally open 3 wire with connector mean?","introduction":"An inductive proximity sensor detects a metallic target through the effect it has on an electromagnetic sensing field. This entry identifies the normally open 3 wire with connector form in the publisher's IEC-context family.","example":"A metal flag on a carriage can produce a controller input without touching a mechanical switch. The normally-open designation starts with a non-conducting output or open contact in the documented reference condition; operation changes that state. The three-wire form distinguishes supply, return and switching output. Confirm sourcing or sinking operation from the actual sensor circuit before connecting it to an input.","drawings":"The connector variant adds a separable field interface. Keep the mating connector designation, pin numbers and cable-core mapping visible at that boundary. Target material, sensing distance and output circuit are product properties; an inductive mark does not identify PNP, NPN or a universal terminal assignment.","terms":[{"name":"Normally open / normally closed","meaning":"The contact state in the normal condition defined for the drawing."},{"name":"Terminal","meaning":"An identified point where a conductor connects."},{"name":"Signal","meaning":"Electrical information passed between devices, rather than necessarily the main power supply."}],"diagram":"flow","steps":["Identify the device and form","Read the connections and state","Check the equipment reference"],"caption":"A guide to reading this reference. The original symbol illustration and its drawing notes appear below; these boxes are not a wiring diagram.","sources":[{"label":"AutoCAD Electrical: Inductive proximity switches","url":"https://help.autodesk.com/cloudhelp/2021/ENU/AutoCAD-Electrical/files/GUID-596652AB-6555-4F9A-B575-555D40C2ECD4.htm"}],"detail":"Inductive proximity sensor form: Normally Open 3 Wire with connector. This entry adds the normally open 3 wire with connector detail to the broader inductive proximity sensor family. Target material, sensing distance and output circuit are product properties; an inductive mark does not identify PNP, NPN or a universal terminal assignment.","profileId":"reviewed-symbol-20261028"},"url":"https://eloragrid.ai/symbols/iec-inductive-proximity-sensor-normally-open-3-wire-with-connector","illustration":{"url":"https://eloragrid.ai/tools/electrical-library/illustrations/iec-inductive-proximity-sensor-normally-open-3-wire-with-connector.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-inductive-sensors","title":"AutoCAD Electrical: Inductive proximity switches","publisher":"Autodesk","url":"https://help.autodesk.com/cloudhelp/2021/ENU/AutoCAD-Electrical/files/GUID-596652AB-6555-4F9A-B575-555D40C2ECD4.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 Inductive Switches table explicitly lists HPX11IN3C / VPX11IN3C with this operating or connection form. Vendor graphics are linked, not copied."}]}