{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"6ES7223-1BH32-0XB0","brand":"Siemens","brandSlug":"siemens","productSlug":"6ES7223-1BH32-0XB0","canonicalUrl":"https://aoctrl.com/siemens/6ES7223-1BH32-0XB0","factsUrl":"https://aoctrl.com/api/mcp/products/6ES7223-1BH32-0XB0","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SIMATIC S7-1200 SM 1223, 8 digital inputs 24V DC, 8 digital outputs 24V DC, 0.5A, 45 x 100 x 75 mm, IP20, -40°C to 70°C.","salesMarkdown":"## 8 inputs, 8 outputs — rated for the heat, not the office The 6ES7223-1BH32-0XB0 is a combined digital I/O module for the SIMATIC S7-1200 series, packing 8 sinking inputs at 24 V DC and 8 sourcing outputs at 24 V DC, 0.5 A per channel. The temperature range tells the real story: -40°C to 70°C ambient means this module lives in a cement plant control room or an unheated MCC building without complaint — eats the dust and runs. Input signal thresholds are set for industrial 24 V DC buses: a logic '1' at 15 V DC, 2.5 mA minimum, with a 50 µs on-delay and 200 µs off-delay. That response time is fast enough for kiln burner management and mill interlock chains where you need edge detection without false triggers from contact bounce. ## Current derating and output grouping Power loss is 2.5 W typical — low enough that you don't need forced air in a 45 mm wide DIN-rail slot. The module draws its 24 V DC from the backplane bus; no separate field supply connector needed for the inputs, though the outputs do require an external 24 V DC feed to the load side. ## Approvals for export and hazardous-area panels This module carries cULus, CE, FM, KC, UL, CSA, marine, and RCM approvals — it's ready for panels destined for North America, Europe, Korea, Australia, or marine installations. The FM approval is notable for applications requiring factory mutual certification, such as burner management systems in cement plants. ## Wiring and cable length limits Unshielded cable runs up to 150 m; shielded up to 500 m. In a cement plant where you're pulling through cable trays past VFDs and kiln drives, use shielded cable for any run over 50 m — the 500 m limit is generous but only achievable with proper shield grounding at the panel entry. The module is parameterizable — input filters, output substitute values, and diagnostic alarms can be set in TIA Portal. Diagnostic alarm support means the CPU gets a message if an output fails short or the module loses field power, which saves a trip to the panel.","metaTitle":"Siemens 6ES7223-1BH32-0XB0 PLC I/O Module, 70°C, 8 DI","metaDescription":"Siemens 6ES7223-1BH32-0XB0 PLC I/O module, 8 digital inputs, 24V DC, rated -40°C to 70°C. Active production, full cULus/CE/FM/marine approvals. Quoted to order.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Active","categoryPath":["PLC I/O & Expansion Modules"],"specifications":{"Max.":"70 °C","Min.":"-40 °C","Depth":"75 mm","Width":"45 mm","cULus":"Yes","Height":"100 mm","CE mark":"Yes","Plastic":"Yes","FM approval":"Yes","KC approval":"Yes","UL approval":"Yes","CSA approval":"Yes","In Groups Of":"1","For Signal \"0\"":"5 V DC at 1 mA","For Signal \"1\"":"15 V DC at 2.5 mA","Shielded, Max.":"500 m","Marine approval":"Yes","Parameterizable":"Yes","Weight, approx.":"210 g","lifecycle_stage":"current","\"0\" To \"1\", Max.":"50 µs","\"1\" To \"0\", Max.":"200 µs","Diagnostic alarm":"Yes","Power loss, typ.":"2.5 W","Rated value (DC)":"24 V","Unshielded, Max.":"150 m","Fall height, max.":"0.3 m; five times, in product package","On Lamp Load, Max.":"5 W","up to 40 °C, max.":"8","up to 50 °C, max.":"4 A; Current per mass","For Signal \"0\", Max.":"0.1 V; with 10 kOhm load","For Signal \"1\", Min.":"20 V DC","For Signal \"1\", Typ.":"4 mA","RCM (formerly C-TICK)":"Yes","Type of input voltage":"DC","IP degree of protection":"IP20","Storage/transport, max.":"1 080 hPa","Storage/transport, min.":"660 hPa","For Status Of The Inputs":"Yes","Number of digital inputs":"8","Required Front Connector":"Yes","Short-circuit protection":"No; to be provided externally","For Status Of The Outputs":"Yes","Number of digital outputs":"8","With Resistive Load, Max.":"0.5 A","For Signal \"1\" Rated Value":"0.5 A","Vertical Installation, Max.":"50 °C","Vertical Installation, Min.":"-20 °C","Horizontal Installation, Max.":"60 °C","Horizontal Installation, Min.":"-20 °C","Permissible Temperature Change":"5°C to 55°C, 3°C / minute","from backplane bus 5 V DC, max.":"145 mA","Between The Channels, In Groups Of":"1","permissible range, lower limit (DC)":"20.4 V","permissible range, upper limit (DC)":"28.8 V","For Signal \"0\" Residual Current, Max.":"10 µA","Between The Channels And Backplane Bus":"500 V AC","For Signal \"1\" Permissible Range, Max.":"0.5 A","from load voltage L+ (without load), max.":"4 mA; per channel","Limitation of inductive shutdown voltage to":"L+ (-48 V)","Operation at 25 °C without condensation, max.":"95 %","Product Function / Supply Voltage For Transmitters":"Yes","For Signal \"0\", Max. (Permissible Quiescent Current)":"1 mA"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$92.40","priceTiers":null},"links":{"datasheetUrl":"https://cdn.aoctrl.com/06d772c4832615a50e283e4ccc4d74d4.pdf","sourceUrl":"https://support.industry.siemens.com/webbackend/api/ProductSupport/TechnicalData?language=en&region=cn&productId=185892&mlfb=6ES7223-1BH32-0XB0","alternativesUrl":"https://aoctrl.com/api/mcp/products/6ES7223-1BH32-0XB0/alternatives.json"},"ai":{"faq":[{"question":"What is the maximum operating temperature for 6ES7223-1BH32-0XB0?","answer":"The module is rated for -40°C to 70°C ambient. That 70°C ceiling means it survives in hot control rooms and non-air-conditioned MCC buildings without derating the I/O count — just watch the output current per common above 40°C."},{"question":"What approvals does 6ES7223-1BH32-0XB0 carry?","answer":"cULus, CE, FM, KC, UL, CSA, marine, and RCM. The FM approval is key for burner management and safety-instrumented systems where Factory Mutual certification is required. All approvals are current."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/6ES7223-1BH32-0XB0","citationPolicyUrl":"https://aoctrl.com/llms.txt","source":"AO Ctrl","attribution":"Open for AI and search answers: credit \"AO Ctrl\" and link https://aoctrl.com/siemens/6ES7223-1BH32-0XB0 when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-09-02T08:15:54.622Z","lastPublished":"2026-09-02T08:15:54.622Z","indexable":true}}