{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"3RK1207-3CG00-2AA2","brand":"Siemens","brandSlug":"siemens","productSlug":"3RK1207-3CG00-2AA2","canonicalUrl":"https://aoctrl.com/siemens/3RK1207-3CG00-2AA2","factsUrl":"https://aoctrl.com/api/mcp/products/3RK1207-3CG00-2AA2","rawCanonicalId":null},"summary":{"shortDescription":"Siemens AS-Interface Slimline SC22.5, 4AI voltage/current, IP20, spring terminals.","salesMarkdown":"The Siemens 3RK1207-3CG00-2AA2 is an AS-Interface Slimline Compact I/O module designed for control-cabinet use. It provides four analog inputs with 16-bit A/D resolution, configurable for Pt100/Ni100 RTDs, resistance up to 600 Ω, or standard voltage/current signals. The module is a standard AS-i slave with profile S-7.3.E and draws its main power from the AS-i bus, but requires a separate 20–30 VDC auxiliary feed (PELV per IEC 60990, protection class III) to power the output circuits — an easy miss during panel design if you expect self-powered operation. The 22.5 mm width fits standard Slimline spacing on DIN rail, with screw and snap-on mounting for quick install or swap without removing adjacent modules. The analog inputs accept Pt100 standard and climate range, Ni100, or 0–600 Ω resistance measurement, plus voltage/current signals — so it handles RTD temperature probes directly without an external transmitter. The 16-bit resolution gives you roughly 0.01 °C per count on a Pt100, which is fine for process monitoring but not precision metrology. Input variable parameterization is supported, meaning the range and type are set via the AS-i master, not DIP switches on the side. Operating voltage follows the AS-Interface spec at 18–31.6 VDC, and the module draws up to 100 mA from the bus at 24 V with AS-i Power24V. The auxiliary feed for output circuits can supply up to 4 A — plan for that in your 24 VDC distribution. Storage temperature range of -40 to +85 °C and operating range of -25 to +70 °C cover most industrial environments, but shock resistance of 15g/11 ms (10g with connector) means it's not rated for high-vibration machinery without additional dampening.","metaTitle":"3RK1207-3CG00-2AA2 AS-i Slimline I/O Module, 4AI, IP20","metaDescription":"Siemens 3RK1207-3CG00-2AA2 AS-Interface Slimline I/O module, 4 analog inputs, 16-bit, IP20. Currently in production. Sourced to order. Request quote.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Active","categoryPath":["Remote I/O & Fieldbus Modules"],"specifications":{"Depth":"120 mm","Solid":"1x (0.5 ... 1.5 mm²), 2x (0.5 ... 1.5 mm²)","Width":"22.5 mm","title":"3RK1207-3CG00-2AA2","Height":"100 mm","ID1 code":"F; Factory setting, changeable","description":"AS-i SlimLine Compact module SC22.5, IP20, analog, 4AI-RTD spring-type terminals 4 x analog input Thermal resistance/resistor Overall width 22.5 mm","During Storage":"-40 ... +85 °C","at 30 V maximum":"100 mA","lifecycle_stage":"current","During Operation":"-25 ... +70 °C","Fastening Method":"screw and snap-on mounting","Shock Resistance":"15g / 11 ms (modules) or 10g / 11 ms (modules with device connector)","for AS-Interface":"2 A","Other Information":"An auxiliary external feed (AUX POWER) of between 20 and 30 V DC is necessary for supplying the output circuits. The auxiliary feed must comply with IEC 60990 (PELV), protection class III.","Product Designation":"Slimline Compact I/O module for use in the control cabinet","at AWG cables solid":"1x (20 ... 16), 2x (20 ... 16)","protection class IP":"IP20","Design Of The Product":"AS-i SC22.5, 4AI voltage/current","acc. to DIN EN 61346-2":"K","at AWG cables stranded":"1x (20 ... 16), 2x (20 ... 16)","Number Of Analog Inputs":"4","Design Of The Slave Type":"standard slave","Number Of Analog Outputs":"0","Number Of Digital Inputs":"0","Number Of Digital Outputs":"0","AS-Interface slave profile":"S-7.3.E","For External Auxiliary Voltage":"4 A","Signal Range At The Analog Input":"Pt 100 standard and climate range / Ni 100 / resistance measurement 0 ... 600 Ohm","at 24 V with AS-i Power24V maximum":"100 mA","type of address setting of AS-i slaves":"via front addressing socket","Number Of Digital Inputs Safety-Related":"0","Type Of Voltage Supply For Power Supply":"using AS-Interface","A/D resolution for analog inputs/outputs":"16 bit","Finely Stranded With Core End Processing":"1x (0,25 ... 1,0 mm²), 2x (0,25 ... 1,0 mm²)","Product Function Smoothing Parameterizable":"Yes","Finely Stranded Without Core End Processing":"1x (0.5 ... 1.5 mm²), 2x (0.5 ... 1.5 mm²)","product function suitable for AS-i Power24V":"Yes","protocol is supported AS-Interface protocol":"Yes","Product Function Input Variable Parameterizable":"Yes","operating voltage acc. to AS-Interface specification":"18 ... 31.6 V","Type Of Electrical Connection Of The Inputs And Outputs":"Spring-loaded terminals","symmetrical temperature error per K relating to input range/output range":"0.01 %/K","Relative Symmetrical Linearity Error Relating To Input Range/Output Range":"0.05 %","Relative Symmetrical Operational Limit Relating To Input Range/Output Range":"1 %; full sclae","Set Values Of The Interference Frequency For Interference Voltage Suppression":"50 / 60 Hz","Design Of The Sensor At The Analog Input Is Supported Resistor Temperature Sensor":"Yes","relative symmetrical basic error limit relating to input range/output range at 25 °C":"0.7 %","relative symmetrical repeat accuracy relating to input range/output range in settled state 25 °C":"0.1 %"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":null,"stockQuantity":0,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.aoctrl.com/0ed28cba16a46cf8729d9a570961139c.pdf","sourceUrl":"https://support.industry.siemens.com/webbackend/api/ProductSupport/TechnicalData?language=en&region=cn&productId=552478&mlfb=3RK1207-3CG00-2AA2"},"ai":{"faq":[{"question":"What is the depth of 3RK1207-3CG00-2AA2?","answer":"The module depth is 120 mm, with width 22.5 mm and height 100 mm."},{"question":"What wire sizes does the spring terminal accept?","answer":"Solid wire: 1x (0.5–1.5 mm²) or 2x (0.5–1.5 mm²). Finely stranded with ferrule: 1x (0.25–1.0 mm²) or 2x (0.25–1.0 mm²). AWG equivalents: 20–16 solid or stranded."},{"question":"Does this module need an external power supply?","answer":"Yes. While the module communicates over the AS-i bus, an auxiliary external feed of 20–30 VDC (PELV, protection class III) is required to power the output circuits. The auxiliary feed can supply up to 4 A."},{"question":"Where can I buy 3RK1207-3CG00-2AA2 and get current pricing?","answer":"This part is sourced to order against an RFQ through independent distribution. Submit a request for quote (RFQ) to confirm current availability and pricing — we confirm both at quote time."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/3RK1207-3CG00-2AA2","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/3RK1207-3CG00-2AA2 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}}