{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"6AG1226-6BA32-5XB0","brand":"Siemens","brandSlug":"siemens","productSlug":"6AG1226-6BA32-5XB0","canonicalUrl":"https://aoctrl.com/siemens/6AG1226-6BA32-5XB0","factsUrl":"https://aoctrl.com/api/mcp/products/6AG1226-6BA32-5XB0","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SIPLUS S7-1200 SM 1226 F-DI 16x24 V DC fail-safe digital input module, 16 channels (1oo1) or 8 (1oo2), PROFIsafe, conformal-coated, -40…+70 °C, 70 mm width.","salesMarkdown":"## What this module is The Siemens 6AG1226-6BA32-5XB0 is the SIPLUS variant of the SIMATIC S7-1200 SM 1226 F-DI 16×24 V DC fail-safe digital input module, built on the 6ES7226-6BA32-0XB0 with conformal coating added for corrosive and condensing atmospheres. It drops onto the S7-1200 backplane beside the F-CPU as a PROFIsafe slave and contributes 16 fail-safe inputs that the safety program reads as either 16 single-channel (1oo1) signals or 8 dual-channel (1oo2) pairs — each pair of inputs a.x and b.x is independently assignable. ## Signal levels and input filter Signal \"0\" is recognised from -30 V DC to +5 V DC, signal \"1\" from 15 V DC to 30 V DC, with a typical 5 mA input current at the \"1\" level and a maximum quiescent current of 0.5 mA still tolerated as \"0\" — a comfortable margin against sensor leakage on long home runs. The input filter is parameterisable in five steps: 0.8 / 1.6 / 3.2 / 6.4 / 12.8 ms, so the integrator trades noise immunity against response time per channel. Cable-length guidance is conditional on the filter step and the 0.8 ms input-delay setting: shielded cable up to 200 m is supported at 0.8 ms to 12.6 ms input filter, and the same 200 m ceiling applies unshielded at 0.8 ms to 12.6 s — with the explicit caveat that an input delay of 0.8 ms forces shielded cable on the digital inputs and the sensor supply. ## Channel-count derating vs temperature All 16 inputs are usable up to 40 °C, after which Siemens specifies 16 inputs at 45 °C vertical mounting and 16 inputs at 55 °C horizontal mounting — so channel count does not drop with temperature on this variant, but orientation does become the governing detail once the cabinet runs warm. The operating envelope is -40 °C to 70 °C with a permissible change rate of 5 °C to 55 °C at 3 °C per minute, and installation altitude is limited to 2 000 m above sea level. ## Power and bus draw The module draws 155 mA from the backplane 5 V DC (SM bus) and takes its load-side supply from L+ at 24 V DC nominal, with a permissible range of 20.4 V to 28.8 V DC and a quiescent draw of 130 mA from L+ before sensor current is added. Sensor load scales linearly with usage: each input that is actually wired adds 6 mA to the L+ budget, plus whatever Vs1 / Vs2 current is drawn downstream — plan the stack headroom accordingly. Power dissipation is typically 7 W, which matters for cabinet thermal sizing on a fully loaded F-CPU + F-DI stack. ## Harsh-environment posture (the SIPLUS reason) Mechanical footprint is 70 mm wide × 100 mm tall × 75 mm deep, which fixes its slot allocation on the S7-1200 DIN rail and its thermal footprint inside the enclosure. Lifecycle status is current, so the 6AG1226-6BA32-5XB0 fits new-build safety I/O budgets rather than a phase-out buy.","metaTitle":"Siemens 6AG1226-6BA32-5XB0 SM 1226 F-DI 16x24VDC, -40…70 °C","metaDescription":"Siemens 6AG1226-6BA32-5XB0 SIPLUS S7-1200 SM 1226 F-DI 16x24 V DC fail-safe digital input, 16 channels, PL e / SIL 3, conformal coated, -40…70 °C. Sourced to order against an RFQ.","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":"70 mm","title":"6AG1226-6BA32-5XB0","Height":"100 mm","Plastic":"Yes","description":"SIPLUS S7-1200 SM 1226 F-DI 16x24VDC based on 6ES7226-6BA32-0XB0 with conformal coating, -25…+55 °C, F-DI 16x 24 V DC, PROFIsafe, 70 mm width, up to PL e (ISO 13849-1)/ SIL3 (IEC 61508)","For Signal \"0\"":"-30 V DC to +5 V DC","For Signal \"1\"":"15 V DC to 30 V DC","Shielded, Max.":"200 m; unshielded with input filter time of 1.6 ms to 12.6 ms (With an input delay of 0.8 ms, shielded cables must be used for the digital inputs and the sensor supply)","Parameterizable":"Yes; 0.8 / 1.6 / 3.2 / 6.4 / 12.8 ms","Weight, approx.":"250 g","lifecycle_stage":"current","Power loss, typ.":"7 W","Rated value (DC)":"24 V","Unshielded, Max.":"200 m; Shielded with input filter time of 0.8 ms to 12.6 s (With an input delay of 0.8 ms, shielded cables must be used for the digital inputs and the sensor supply)","Fall height, max.":"0.3 m; five times, in product package","up to 40 °C, max.":"16; 16 inputs at 45 °C vertical","up to 50 °C, max.":"16; 16 inputs at 55 °C horizontal","For Signal \"1\", Typ.":"5 mA","SIL acc. to IEC 61508":"SIL 2 (single-channel), SIL 3 (two-channel)","IP degree of protection":"IP20","For Status Of The Inputs":"Yes","Number of digital inputs":"16; 16 (1oo1) or 8 (1oo2); Note: You can individually assign each pair of inputs \"a.x\" and \"b.x\" as a single (1oo2)-channel or as 2 separate (1oo1)-channels","Permissible Temperature Change":"5°C to 55°C, 3°C / minute","from backplane bus 5 V DC, max.":"155 mA; Current consumption (SM Bus, 5 V DC): 155 mA","permissible range, lower limit (DC)":"20.4 V","permissible range, upper limit (DC)":"28.8 V","from load voltage L+ (without load), max.":"130 mA; 130 mA + 6 mA / input used + any Vs1/Vs2 current used","Performance level according to ISO 13849-1":"1-channel, Category 3, PL d; 2-channel, Category 3 or 4, PL e","Installation altitude above sea level, max.":"2 000 m","Protection against fouling acc. to EN 60664-3":"Yes; Type 1 protection","Ambient air temperature-barometric pressure-altitude":"Tmin ... Tmax at 1 140 hPa ... 795 hPa (-1 000 m ... +2 000 m)","For Signal \"0\", Max. (Permissible Quiescent Current)":"0.5 mA","Resistant to commercially available coolants and lubricants":"Yes","Environmental conditions for process, measuring and control systems acc. to ANSI/ISA-71.04":"Yes; Level GX group A/B (excluding trichlorethylene; harmful gas concentrations up to the limits of EN 60721-3-3 class 3C4 permissible); level LC3 (salt spray) and level LB3 (oil)","Qualification and Performance of Electrical Insulating Compound for Printed Board Assemblies according to IPC-CC-830A":"Yes; Conformal coating, Class A"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$295.91 – $769.74","stockQuantity":0,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.aoctrl.com/e6bd79869fb28658b5fb38bdc5f0dac0.pdf","sourceUrl":"https://support.industry.siemens.com/webbackend/api/ProductSupport/TechnicalData?language=en&region=cn&productId=599398&mlfb=6AG1226-6BA32-5XB0"},"ai":{"faq":[{"question":"How many fail-safe inputs are available and how are they grouped?","answer":"16 inputs total, addressable as 16 (1oo1) single channels or 8 (1oo2) dual-channel pairs, with each a.x / b.x pair individually assignable."},{"question":"What temperature range and altitude does the module cover?","answer":"Operating range -40 °C to 70 °C with a permissible change rate of 3 °C/minute between 5 °C and 55 °C, installation altitude up to 2 000 m above sea level."},{"question":"What is the backplane and load-side power draw?","answer":"155 mA from the backplane 5 V DC SM bus, with L+ load supply at 24 V DC nominal (20.4 V to 28.8 V DC permissible) and 130 mA quiescent plus 6 mA per input used."},{"question":"What cable lengths and filter settings are supported?","answer":"Shielded cable up to 200 m with input filter 0.8 ms to 12.6 ms, and unshielded up to 200 m with filter 0.8 ms to 12.6 s — the 0.8 ms input-delay setting forces shielded cable on the digital inputs and the sensor supply."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/6AG1226-6BA32-5XB0","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/6AG1226-6BA32-5XB0 when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-08-11T15:51:03.652Z","lastPublished":"2026-08-11T15:51:03.652Z","indexable":true}}