{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"6ES7151-1CA00-3BL0","brand":"Siemens","brandSlug":"siemens","productSlug":"6ES7151-1CA00-3BL0","canonicalUrl":"https://aoctrl.com/siemens/6ES7151-1CA00-3BL0","factsUrl":"https://aoctrl.com/api/mcp/products/6ES7151-1CA00-3BL0","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SIMATIC DP, 16 digital inputs, 16 digital outputs, 24 VDC, PROFIBUS DP, 12 Mbit/s, IP20, 58 x 120 x 81 mm.","salesMarkdown":"## PROFIBUS DP I/O block with 16 inputs and 16 outputs The Siemens 6ES7151-1CA00-3BL0 is a SIMATIC DP digital I/O module that packs 16 inputs and 16 outputs on a single PROFIBUS DP node, running at up to 12 Mbit/s on the bus. It's rated for 24 VDC input voltage and draws about 3 W typical power loss, so it's a straightforward fit into a standard 24 V control panel without worrying about heat buildup. ## Signal timing and diagnostics for field troubleshooting Input signal transitions run about 0.5 ms from 0 to 1 and 1.3 ms from 1 to 0, while output switching hits 4.8 ms max in either direction — fast enough for most conveyor and discrete part sensing on a line. Built-in diagnostics flags a group error (SF red LED) and bus fault (BF red LED), which saves a technician from guessing which node dropped off the bus. ## Current production — no obsolescence worry No official replacement or successor has been issued, so the 6ES7151-1CA00-3BL0 is the part to specify for new builds or spares. ## Panel fit and field wiring At 58 mm deep, 120 mm wide, and 81 mm tall, it's a compact DIN-rail mount that fits into a standard IP20 enclosure alongside other SIMATIC DP slices. The module supports 2-wire sensors and has short-circuit protection on the outputs, so it handles the usual field wiring without needing extra fuse blocks for each channel.","metaTitle":"Siemens 6ES7151-1CA00-3BL0 Digital Output Module, 16 I/O","metaDescription":"Siemens 6ES7151-1CA00-3BL0 digital I/O module with 16 inputs and 16 outputs, 24 VDC, PROFIBUS DP, 12 Mbit/s. Current production. Sourced to order against RFQ.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":null,"categoryPath":["Digital Output Modules"],"specifications":{"Depth":"58 mm","Width":"120 mm","Alarms":"No","Height":"81 mm","Inputs":"100 byte","RS 485":"Yes","TCP/IP":"No","Outputs":"100 byte","PROFIBUS DP":"Yes","2-Wire Sensor":"Yes","For Signal \"0\"":"-30 to +5 V","For Signal \"1\"":"13 to 30V","Weight, approx.":"230 g; EB only","lifecycle_stage":"current","\"0\" To \"1\", Max.":"0.5 ms","\"1\" To \"0\", Max.":"1.3 ms","Isochronous mode":"No","Power loss, typ.":"3 W","Rated value (DC)":"24 V","Unshielded, Max.":"1 000 m","Bus fault BF (red)":"Yes","Cable length, max.":"1 200 m","On Lamp Load, Max.":"10 Hz","up to 60 °C, max.":"2 A","At \"0\" To \"1\", Max.":"4.8 ms; typically 3 ms","At \"0\" To \"1\", Min.":"1.2 ms; typically 3 ms","At \"1\" To \"0\", Max.":"4.8 ms; typically 3 ms","At \"1\" To \"0\", Min.":"1.2 ms; typically 3 ms","Diagnostics function":"Yes","For Signal \"1\", Min.":"L+ (-0.8 V)","For Signal \"1\", Typ.":"3 mA","Group error SF (red)":"Yes","Isolation tested with":"500 V DC","Type of input voltage":"DC","IP degree of protection":"IP20","Transmission rate, max.":"12 Mbit/s","Number of digital inputs":"16","Short-circuit protection":"Yes","Number of digital outputs":"16","With Inductive Load, Max.":"2 Hz","With Resistive Load, Max.":"100 Hz","Controlling a digital input":"Yes","Reverse polarity protection":"Yes","from supply voltage 1L+, max.":"100 mA","Supports protocol for PROFINET IO":"No","Potential separation digital inputs":"No","Potential separation digital outputs":"Yes","Between Backplane Bus And Electronics":"No","For Signal \"0\" Residual Current, Max.":"0.5 mA","Output current of the interface, max.":"80 mA","Between Supply Voltage And Electronics":"No","For Signal \"1\" Permissible Range, Max.":"0.6 A","For Signal \"1\" Permissible Range, Min.":"7 mA","Status indicator digital input (green)":"Yes","Status indicator digital output (green)":"Yes","Monitoring 24 V voltage supply ON (green)":"Yes","Limitation of inductive shutdown voltage to":"L+ (-55 to -60 V)","Direct data exchange (slave-to-slave communication)":"Yes","Permissible Quiescent Current (2-Wire Sensor), Max.":"1.5 mA","Design of electrical connection for the inputs and outputs":"Screw-type and spring-loaded terminals, permanent wiring; 3 and 4-wire connection"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$241.30","priceTiers":null},"links":{"datasheetUrl":"https://cdn.aoctrl.com/599fb3d3d8592ec955b0ddbf0a810439.pdf","sourceUrl":"https://support.industry.siemens.com/webbackend/api/ProductSupport/TechnicalData?language=en&region=cn&productId=456271&mlfb=6ES7151-1CA00-3BL0","alternativesUrl":"https://aoctrl.com/api/mcp/products/6ES7151-1CA00-3BL0/alternatives.json"},"ai":{"faq":[{"question":"Does 6ES7151-1CA00-3BL0 support PROFIBUS DP?","answer":"Yes, it has a PROFIBUS DP interface running at up to 12 Mbit/s, making it a direct drop-in for existing DP networks."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/6ES7151-1CA00-3BL0","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/6ES7151-1CA00-3BL0 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}}