{"schemaVersion":1,"slug":"rs-422-transceiver","name":"RS-422 interface","kind":"symbol","abbreviation":"RS422","aliases":["RS-422 interface","RS-422 interface functional block","RS-422 interface schematic reference"],"category":"installation-communications","drawingTypes":["Schematic"],"referenceFamilies":["Manufacturer"],"summary":"An RS-422 interface uses differential signalling for its selected serial connection.","description":["An RS-422 interface uses differential signalling for its selected serial connection.","A controller can communicate through a suitable differential driver and receiver arrangement.","Identify the driver and receiver ends of the intended differential connection. Do not copy an RS-485 multi-driver bus arrangement just because both names refer to differential interfaces. The chosen parts and network design establish the permitted connections and direction of information flow. This is original functional artwork, not a certified standard graphic or device pinout."],"readingNotes":["Identify each driver and its receivers.","Reference the selected termination and cable arrangement.","Show logic connections and the receiving equipment’s electrical reference.","An RS-422 label does not automatically imply an RS-485 multi-driver bus arrangement."],"drawingChecklist":["Identify each driver and its receivers.","Reference the selected termination and cable arrangement.","Show logic connections and the receiving equipment’s electrical reference."],"distinction":"An RS-422 label does not automatically imply an RS-485 multi-driver bus arrangement.","facts":[{"label":"Representation type","value":"Original functional block; not a certified IEC or IEEE graphic"},{"label":"Concept input","value":"Logic-side serial data"},{"label":"Concept output","value":"Defined differential link"}],"references":[{"sourceId":"expansion-20261027-serial","relevance":"RS-485 and RS-422 interfaces: public technical context for the named function. Product and compliance details remain with the publisher."}],"related":["logic-bus-transceiver","rs-485-transceiver","power-converter","terminal"],"artwork":"expanded-rs-422-transceiver","publishedOn":"2026-10-27","updatedOn":"2026-10-27","provenance":"independent-public-research","plainEnglish":{"title":"What does RS-422 interface mean?","introduction":"An RS-422 interface uses differential signalling for its selected serial connection.","example":"A controller can communicate through a suitable differential driver and receiver arrangement.","drawings":"Identify the driver and receiver ends of the intended differential connection. Do not copy an RS-485 multi-driver bus arrangement just because both names refer to differential interfaces. The chosen parts and network design establish the permitted connections and direction of information flow.","terms":[{"name":"Driver","meaning":"The circuit that produces the electrical signal on a connection."},{"name":"Receiver","meaning":"The circuit that interprets the incoming electrical signal."}],"diagram":"flow","caption":"Original functional explanation. Arrows show information or energy roles; two-headed arrows identify two-way interfaces. This is not a pinout, certified standards graphic or complete circuit.","sources":[{"label":"RS-485 and RS-422 interfaces","url":"https://www.ti.com/product-category/interface/rs-485-rs-422-transceivers/overview.html"}],"profileId":"researched-functional-reference","checklist":["Identify each driver and its receivers.","Reference the selected termination and cable arrangement.","Show logic connections and the receiving equipment’s electrical reference."],"questions":[{"question":"Is RS-422 interchangeable with an RS-485 bus?","answer":"Not automatically. Driver arrangements, permitted connections and device characteristics differ. Confirm the complete link rather than treating the interface names as equivalent wiring instructions."}],"steps":["Logic-side serial data","RS-422 interface","Defined differential link"],"bidirectional":true},"url":"https://eloragrid.ai/symbols/rs-422-transceiver","illustration":{"url":"https://eloragrid.ai/tools/electrical-library/illustrations/rs-422-transceiver.svg","scope":"Original educational concept; not an official standard graphic or product footprint","license":"https://creativecommons.org/licenses/by/4.0/"},"sources":[{"id":"expansion-20261027-serial","title":"RS-485 and RS-422 interfaces","publisher":"Texas Instruments","url":"https://www.ti.com/product-category/interface/rs-485-rs-422-transceivers/overview.html","type":"manufacturer","scope":"Public functional documentation. Original explanatory text and educational block artwork; no publisher graphics or files reproduced.","checkedOn":"2026-10-27","reuse":"link-only","relevance":"RS-485 and RS-422 interfaces: public technical context for the named function. Product and compliance details remain with the publisher."}]}