{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"TM171EO22R","brand":"Schneider Electric","brandSlug":"schneider","productSlug":"TM171EO22R","canonicalUrl":"https://aoctrl.com/schneider/TM171EO22R","factsUrl":"https://aoctrl.com/api/mcp/products/TM171EO22R","rawCanonicalId":null},"summary":{"shortDescription":"Schneider Electric Modicon M171/M172, TM171EO22R expansion I/O module, 22 I/O (6 DI, 6 DO, 5 AI, 5 AO), 12-24 V DC.","salesMarkdown":"## I/O configuration and ratings This expansion module provides 22 total I/O points: 6 digital inputs (sink or source, 12-24 V DC), 6 digital outputs (1 open collector + 5 relay, relay rated 2 A), 5 analog inputs (voltage 0-10 V, 0-5 V ratiometric, NTC, current 0-20/4-20 mA), and 5 analog outputs (3 voltage 0-10 V, 2 PWM/PPM at 20 kHz, 12 V, 35 mA). It draws power from a 12-24 V DC supply. Two dedicated sensor supply outputs are provided: 12 V DC at 85 mA and 5 V DC at 20 mA. ## Mechanical fit Physical dimensions: 2.8 in wide, 3.4 in high, 2.4 in deep. Panel mounting compatible with DIN rail or screw fixing within the Modicon M171/M172 enclosure.","metaTitle":"Schneider TM171EO22R I/O Module, Obsolete - Modicon M171","metaDescription":"Schneider Electric TM171EO22R expansion I/O module for Modicon M171/M172, now obsolete. Sourced to order via surplus channel; 22 I/O, analog and relay outputs. Request RFQ.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Obsolete","categoryPath":[],"specifications":{"Depth":"2.4 in (61.6 mm)","Width":"2.8 in (70.2 mm)","Height":"3.4 in (87 mm)","Category":"US1PC1222537","Contacts usage":"Volt-free contacts","Number of port":"1 LAN expansion bus","lifecycle_stage":"current","Range of Product":"Modicon M171/M172","Analogue input type":"voltage 0...5 V ratiometric) voltage 0...10 V NTC temperature probe - 50...100 °C 0.1 °C current 0...20 mA/4...20 mA voltage 0...1 V","Input/output number":"5 analog output 6 digital input 5 analog input 6 digital output","Sensor power supply":"12 V DC 85 mA 5 V DC 20 mA","Discrete input logic":"Sink or source (positive/negative)","Total inputs/outputs":"22","Analogue input number":"3 analog input NTC 2 configurable","Discrete input number":"6","Nbr. of units in pkg.":"1","Analogue output number":"3 voltage 0...10 V 2 PWM/PPM 20 kHz, 12 V, 35 mA","Discrete output number":"1 open collector 3 relay outputs SPST with same common 2 relay outputs SPST with independent common","Discrete output current":"2 A relay","Product or Component Type":"Additional I/O module","[Us] rated supply voltage":"12...24 V 24 V","Product Specific Application":"HVAC and pumping solution"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$102.87","priceTiers":null},"links":{"datasheetUrl":"https://cdn.aoctrl.com/5d816c3b79f8e83562cfb9c875dd970b.pdf","sourceUrl":null,"alternativesUrl":"https://aoctrl.com/api/mcp/products/TM171EO22R/alternatives.json"},"ai":{"faq":[{"question":"How do I source the TM171EO22R now that it's obsolete?","answer":"Supply is through remaining channel stock or surplus. Submit an RFQ to check current availability and pricing."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/schneider/TM171EO22R","citationPolicyUrl":"https://aoctrl.com/llms.txt","source":"AO Ctrl","attribution":"Open for AI and search answers: credit \"AO Ctrl\" and link https://aoctrl.com/schneider/TM171EO22R when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-09-02T08:21:01.794Z","lastPublished":"2026-09-02T08:21:01.794Z","indexable":true}}