{"schemaVersion":1,"slug":"ansi-solenoid-valve-nc-auxiliary-contact","name":"ANSI/IEEE Solenoid-valve NC auxiliary contact form","kind":"symbol","abbreviation":"HSV22","aliases":["HSV22","VSV22","IEEE Solenoid Valve Auxiliary Normally Closed Contact","ANSI Solenoid-valve NC auxiliary contact"],"category":"control-circuits","drawingTypes":["Schematic"],"referenceFamilies":["IEEE / ANSI","Manufacturer"],"summary":"IEEE-library form of solenoid-valve nc auxiliary contact: this form identifies a normally-closed auxiliary contact associated with a solenoid valve.","description":["This reference locates solenoid-valve nc auxiliary contact in Autodesk's IEEE-oriented solenoids family. This form identifies a normally-closed auxiliary contact associated with a solenoid valve. The public library uses HSV22 for its horizontal representation; this is a vendor block name, not an IEEE standards symbol number.","Read the operating mechanism and the contact reference state together. Cross-reference every associated contact to the same device and show which movement, signal or reset changes its condition; the symbol alone does not establish the complete switching sequence.","State the reference condition used to describe the contact as normally closed. A contact normal state and the process valve normal state are separate descriptions. State the reference condition used to describe the contact as normally closed. A contact normal state and the process valve normal state are separate descriptions. The linked functional counterpart explains the same operating role in its own drawing context; agreement of every detailed convention mark is not asserted."],"readingNotes":["State the reference condition used to describe the contact as normally closed.","A contact normal state and the process valve normal state are separate descriptions."],"drawingChecklist":["Identify the associated device, circuit or diagram boundary.","State the reference condition used to describe the contact as normally closed.","Cross-reference the equipment data, terminal mapping or operating-state legend needed to interpret the form."],"distinction":"A contact normal state and the process valve normal state are separate descriptions.","facts":[{"label":"Convention evidence","value":"Autodesk IEEE Symbol Preview: Solenoids; published form: Solenoid Valve Auxiliary Normally Closed Contact."},{"label":"Public vendor block","value":"HSV22. Vendor library token, not an IEEE symbol number."},{"label":"Information added","value":"State the reference condition used to describe the contact as normally closed."},{"label":"Preview","value":"Independent educational concept; consult the publisher and applicable standard for the exact graphic"},{"label":"Artwork scope","value":"Original educational geometry. Exact standard graphics, product ratings and terminal pinouts are not certified."}],"references":[{"sourceId":"s28-ieee-solenoids","relevance":"Public IEEE-oriented Solenoids table explicitly lists HSV22 as Solenoid Valve Auxiliary Normally Closed Contact. This supports the vendor convention context, not reproduction of the publisher graphic."}],"related":["iec-solenoid-valve-nc-auxiliary-contact","relay-coil","normally-open-contact"],"artwork":"s28-ansi-solenoid-valve-nc-auxiliary-contact","publishedOn":"2026-10-28","updatedOn":"2026-10-28","provenance":"independent-public-research","symbolVariant":{"convention":"IEEE / ANSI","form":"Solenoid Valve Auxiliary Normally Closed Contact","reference":"Autodesk IEEE Symbol Preview: Solenoids, block HSV22. Matching functional counterpart linked separately. Independently drawn educational geometry; not a certified IEEE glyph or database identifier.","counterpart":"iec-solenoid-valve-nc-auxiliary-contact"},"plainEnglish":{"title":"What does ANSI/IEEE Solenoid-valve NC auxiliary contact form mean?","introduction":"This reference locates solenoid-valve nc auxiliary contact in Autodesk's IEEE-oriented solenoids family. This form identifies a normally-closed auxiliary contact associated with a solenoid valve. The public library uses HSV22 for its horizontal representation; this is a vendor block name, not an IEEE standards symbol number.","example":"Read the operating mechanism and the contact reference state together. Cross-reference every associated contact to the same device and show which movement, signal or reset changes its condition; the symbol alone does not establish the complete switching sequence.","drawings":"State the reference condition used to describe the contact as normally closed. A contact normal state and the process valve normal state are separate descriptions. State the reference condition used to describe the contact as normally closed. A contact normal state and the process valve normal state are separate descriptions. The linked functional counterpart explains the same operating role in its own drawing context; agreement of every detailed convention mark is not asserted.","terms":[{"name":"Normally open / normally closed","meaning":"The contact state in the normal condition defined for the drawing."},{"name":"Coil","meaning":"A wound conductor that can produce a magnetic field when energised."},{"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 IEEE Symbol Preview: Solenoids","url":"https://help.autodesk.com/cloudhelp/2021/ENU/AutoCAD-Electrical/files/GUID-F7BADF45-D679-4050-BE46-0199A3A76230.htm"}],"detail":"IEEE-library form of solenoid-valve nc auxiliary contact: this form identifies a normally-closed auxiliary contact associated with a solenoid valve. A contact normal state and the process valve normal state are separate descriptions.","profileId":"reviewed-symbol-20261028"},"url":"https://eloragrid.ai/symbols/ansi-solenoid-valve-nc-auxiliary-contact","illustration":{"url":"https://eloragrid.ai/tools/electrical-library/illustrations/ansi-solenoid-valve-nc-auxiliary-contact.svg","scope":"Original educational concept; not an official standard graphic or product footprint","license":"https://creativecommons.org/licenses/by/4.0/"},"sources":[{"id":"s28-ieee-solenoids","title":"Autodesk IEEE Symbol Preview: Solenoids","publisher":"Autodesk","url":"https://help.autodesk.com/cloudhelp/2021/ENU/AutoCAD-Electrical/files/GUID-F7BADF45-D679-4050-BE46-0199A3A76230.htm","type":"cad-reference","scope":"Public solenoids family names and vendor block tokens. Horizontal, vertical and rotated placements are not separate engineering functions. Exact standard geometry is not reproduced.","checkedOn":"2026-10-28","reuse":"link-only","relevance":"Public IEEE-oriented Solenoids table explicitly lists HSV22 as Solenoid Valve Auxiliary Normally Closed Contact. This supports the vendor convention context, not reproduction of the publisher graphic."}]}