{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"6ES7521-1BP00-0AA0","brand":"Siemens","brandSlug":"siemens","productSlug":"6ES7521-1BP00-0AA0","canonicalUrl":"https://aoctrl.com/siemens/6ES7521-1BP00-0AA0","factsUrl":"https://aoctrl.com/api/mcp/products/6ES7521-1BP00-0AA0","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SIMATIC S7-1500, Digital Input Module, 6ES7521-1BP00-0AA0, 35 x 147 x 129 mm, 24 V DC, 4.8 W.","salesMarkdown":"The Siemens 6ES7521-1BP00-0AA0 is a current-production digital input module for the S7-1500 family. It gives you 16 channels, each configurable as source or sink input, running on 24 V DC. The signal thresholds are tight: a '0' sits between -5 and +5 V referenced to COM, and a '1' needs -11 to -30 V or +11 to +30 V. That bipolar capability means it'll handle both NPN and PNP sensors without extra wiring tricks — handy when you're swapping a field device mid-shift and all you've got is what's on the van. Power consumption is 4.8 W typical, and the module sits in a 35 x 147 x 129 mm envelope — standard S7-1500 width, so it slots into any existing U-rail without recalculating your panel fill. The firmware is at V1.0.0 and supports FW updates, though the hardware functional status starts from FS01. Remember to order the cable and connection modules separately; they're not in the box.","metaTitle":"6ES7521-1BP00-0AA0 SIMATIC S7-1500 DI Module, 16 Ch, 24V DC","metaDescription":"Active current-production digital input module for S7-1500. 16 channels, source/sink, 24V DC, 4.8W. Sourced to order.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Active","categoryPath":["Digital Input Modules"],"specifications":{"DI":"Yes","MSI":"Yes","Depth":"129 mm","Note:":"Please order cable and connection modules separately","Width":"35 mm","title":"6ES7521-1BP00-0AA0","Height":"147 mm","Counter":"No","RUN LED":"Yes; green LED","I&M data":"Yes; I&M0 to I&M3","ERROR LED":"Yes; red LED","MAINT LED":"No","Wire-break":"No","Group error":"No","description":"SIMATIC S7-1500, digital input module, DI 64xDC 24V SNK/SRC BA, 64 channels in groups of 16, input delay typ. 3.2 ms, input type 3 (IEC 61131); sinking/sourcing input. 35 mm wide, cables and terminal blocks to be ordered separately as accessories","Oversampling":"No","2-Wire Sensor":"Yes","Short-circuit":"No","For Signal \"0\"":"-5 ... +5 V (reference potential is COM)","For Signal \"1\"":"-11 ... -30 V; +11 ... +30 V (reference potential is COM)","Shielded, Max.":"1 000 m","Parameterizable":"No","Weight, approx.":"250 g","lifecycle_stage":"current","Diagnostic alarm":"No","Firmware version":"V1.0.0","Isochronous mode":"No","Power loss, typ.":"4.8 W","Rated value (DC)":"24 V","Unshielded, Max.":"600 m","Source/sink input":"Yes","FW update possible":"Yes","Hardware interrupt":"No","At \"0\" To \"1\", Max.":"4 ms","At \"0\" To \"1\", Min.":"3 ms","At \"1\" To \"0\", Max.":"4 ms","At \"1\" To \"0\", Min.":"3 ms","Prioritized startup":"No","Between The Channels":"No","Diagnostics function":"No","For Signal \"1\", Typ.":"2.7 mA","HW functional status":"From FS01","Isolation tested with":"707 V DC (type test)","Channel status display":"Yes; via SIMATIC TOP connect connection module","For Module Diagnostics":"No","For Channel Diagnostics":"No","Number of digital inputs":"64","Vertical Installation, Max.":"40 °C","Vertical Installation, Min.":"-30 °C","Horizontal Installation, Max.":"60 °C","Horizontal Installation, Min.":"-30 °C","Monitoring the supply voltage":"No","Suitable for safety functions":"No","Digital inputs, parameterizable":"No","Between The Channels, In Groups Of":"16; 32 when using SIMATIC TOP connect connection module","permissible range, lower limit (DC)":"19.2 V","permissible range, upper limit (DC)":"28.8 V","Between The Channels And Backplane Bus":"Yes","PROFIBUS from GSD version/GSD revision":"V1.0 / V5.1","PROFINET from GSD version/GSD revision":"V2.35 / -","Power available from the backplane bus":"0.6 W","Monitoring of the supply voltage (PWR-LED)":"Yes; via SIMATIC TOP connect connection module","Installation altitude above sea level, max.":"5 000 m","STEP 7 configurable/integrated from version":"V5.5 SP3 / -","Number of simultaneously controllable inputs":"64; see additional description in the manual","Permissible Quiescent Current (2-Wire Sensor), Max.":"1.5 mA","STEP 7 TIA Portal configurable/integrated from version":"V16 with HSP 0319 / V17","External Protection For Power Supply Lines (Recommendation)":"24 V DC/4 A miniature circuit breaker with type B or C tripping characteristic"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$503.00 – $710.02","stockQuantity":0,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.aoctrl.com/731f639a15987dc86b604f014d4fd531.pdf","sourceUrl":"https://support.industry.siemens.com/webbackend/api/ProductSupport/TechnicalData?language=en&region=cn&productId=1448135&mlfb=6ES7521-1BP00-0AA0"},"ai":{"faq":[{"question":"Does this module support source/sink inputs?","answer":"Yes, it supports both source and sink input wiring (MSI = Yes), and the signal thresholds cover bipolar ranges for NPN or PNP sensors."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/6ES7521-1BP00-0AA0","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/6ES7521-1BP00-0AA0 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}}