{"schemaVersion":1,"slug":"iec-touch-sensitive-sensor-normally-open-3-wire-with-connector","name":"IEC touch-sensitive sensor: normally open 3 wire with connector","kind":"symbol","abbreviation":"TOUCH","aliases":["HPX11TS3C","VPX11TS3C","touch-sensitive sensor Normally Open 3 Wire with Connector"],"category":"control-circuits","drawingTypes":["Schematic"],"referenceFamilies":["IEC","Manufacturer"],"summary":"Touch-sensitive sensor form: Normally Open 3 Wire with Connector.","description":["A touch-sensitive sensor changes its output when its sensing surface is touched under the specified operating conditions. This entry identifies the normally open 3 wire with connector form in the publisher's IEC-context family.","An operator station may use the sensor as a controller input while keeping the powered sensor circuit separate from the load it commands. 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. The mark does not establish a safety-rated enabling switch or guaranteed operation with every glove. Sensitivity, environmental suitability and output type need selected-device data."],"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.","The mark does not establish a safety-rated enabling switch or guaranteed operation with every glove. Sensitivity, environmental suitability and output type need selected-device data."],"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 touch-sensitive sensor family. The mark does not establish a safety-rated enabling switch or guaranteed operation with every glove. Sensitivity, environmental suitability and output type need selected-device data.","facts":[{"label":"Drawing form","value":"Normally Open 3 Wire with Connector"},{"label":"Public vendor block names","value":"HPX11TS3C / VPX11TS3C. Autodesk identifiers, not standards database IDs."},{"label":"Drawing purpose","value":"touch-sensitive sensor"},{"label":"Graphic scope","value":"Independently authored educational illustration; not certified standard geometry, a terminal pinout or a product footprint."}],"references":[{"sourceId":"iec-public-touch","relevance":"Public Touch Switches table explicitly lists HPX11TS3C / VPX11TS3C with this operating or connection form. Vendor graphics are linked, not copied."}],"related":["iec-touch-sensitive-switch","plc-digital-input","terminal"],"artwork":"s28-iec-touch-sensitive-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: Touch Switches, HPX11TS3C / VPX11TS3C. This identifies the publisher's library context; exact IEC graphics and database identities are not asserted."},"plainEnglish":{"title":"What does IEC touch-sensitive sensor: normally open 3 wire with connector mean?","introduction":"A touch-sensitive sensor changes its output when its sensing surface is touched under the specified operating conditions. This entry identifies the normally open 3 wire with connector form in the publisher's IEC-context family.","example":"An operator station may use the sensor as a controller input while keeping the powered sensor circuit separate from the load it commands. 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. The mark does not establish a safety-rated enabling switch or guaranteed operation with every glove. Sensitivity, environmental suitability and output type need selected-device data.","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":"Autodesk IEC-60617 preview: Touch-switch forms","url":"https://help.autodesk.com/cloudhelp/2021/ENU/AutoCAD-Electrical/files/GUID-E7D3C5F3-D944-485E-A100-18E2C4E0D0E4.htm"}],"detail":"Touch-sensitive sensor form: Normally Open 3 Wire with Connector. This entry adds the normally open 3 wire with connector detail to the broader touch-sensitive sensor family. The mark does not establish a safety-rated enabling switch or guaranteed operation with every glove. Sensitivity, environmental suitability and output type need selected-device data.","profileId":"reviewed-symbol-20261028"},"url":"https://eloragrid.ai/symbols/iec-touch-sensitive-sensor-normally-open-3-wire-with-connector","illustration":{"url":"https://eloragrid.ai/tools/electrical-library/illustrations/iec-touch-sensitive-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":"iec-public-touch","title":"Autodesk IEC-60617 preview: Touch-switch forms","publisher":"Autodesk","url":"https://help.autodesk.com/cloudhelp/2021/ENU/AutoCAD-Electrical/files/GUID-E7D3C5F3-D944-485E-A100-18E2C4E0D0E4.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":"Public Touch Switches table explicitly lists HPX11TS3C / VPX11TS3C with this operating or connection form. Vendor graphics are linked, not copied."}]}