{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"6GT2821-0AC12","brand":"Siemens","brandSlug":"siemens","productSlug":"6GT2821-0AC12","canonicalUrl":"https://aoctrl.com/siemens/6GT2821-0AC12","factsUrl":"https://aoctrl.com/api/mcp/products/6GT2821-0AC12","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SIMATIC RF200 RFID reader, 13.56 MHz, IP65, 24 VDC, 0.5 A, M12 connections.","salesMarkdown":"## What this reader does on the line The Siemens 6GT2821-0AC12 is a 13.56 MHz RFID reader from the SIMATIC RF200 family, built for reading ISO 15693 and ISO 18000-3 transponders. It operates on 24 VDC (21.6–26.4 V range) and draws 0.4 A typical, 0.5 A max. The read range reaches 650 mm, adjustable via transmission power, and depends on the transponder type. Multitag-capable, it reads a byte in 0.6 ms typical. The enclosure is IP65-rated, aluminum with a silver/anthracite finish, sized 200 x 140 x 80 mm (W x D x H). It mounts via 4 M4 screws, 35 mm DIN rail, or an S7-300 mounting rail. The M12, 8-pin connector handles power and communications (RS 422 up to 1000 m, RS 232 up to 30 m). A single external antenna connects via TNC; antenna cable length must be between 3.3 m and 25 m. One digital input and one digital output are available on a separate M12, 4-pin connector. Four LEDs indicate operating status. Shock resistance is EN 60721-3-7 Class 7M2 (300 m/s²), vibration 20 m/s². The MTBF is listed at 18 years, which reflects a solid reliability figure for an industrial RFID reader in a fixed-mount application. The IP65 rating and aluminum housing make it suitable for washdown or dusty environments. The reader is not IECEx certified, so it is not rated for explosive atmospheres. The M12 power/communications connector uses an 8-pin female connector; the digital I/O uses a separate 4-pin M12. Antenna cable runs are limited to 25 m maximum and 3.3 m minimum, so plan the antenna placement within that range. The reader supports one external antenna only. The supply voltage is 24 VDC nominal; the reader draws 0.5 A max, so a standard 24 VDC power supply with at least 0.5 A per reader is adequate. The RS 422 interface supports cable runs up to 1000 m, useful for remote antenna placement. The RS 232 interface is limited to 30 m.","metaTitle":"Siemens 6GT2821-0AC12 RFID Reader, 13.56 MHz, IP65","metaDescription":"Siemens 6GT2821-0AC12 RFID reader, 13.56 MHz, IP65, 24 VDC, 0.5 A max. Mature lifecycle, sourced to order. ISO 15693/18000-3, range 650 mm.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Active","categoryPath":["RFID & Auto-ID"],"specifications":{"MTBF":"18 a","Color":"silver/anthracite","Depth":"140 mm","IECEx":"No","Width":"200 mm","at DC":"21.6 ... 26.4 V","title":"6GT2821-0AC12","Height":"80 mm","Material":"aluminum","Accessories":"Various antennas are available, antenna combiners, antenna multiplexer, mounting set for top-hat rail mounting","description":"SIMATIC RF200 reader RF290R without antenna; with serial RS 232/RS 422 interface can be selected for connection of the antennas ANT D2; ANT D5; ANT D6; ANT D10.","During Storage":"-25 ... +85 °C","Display Version":"4 LEDs","Range / Maximum":"650 mm; Range adjustable in reader via transmission power, range is dependent on transponder type: observe http://support.automation.siemens.com/WW/view/en/67384964","lifecycle_stage":"mature","During Operation":"-20 ... +55 °C","During Transport":"-25 ... +85 °C","Fastening Method":"4 M4 screws, DIN rail 35 mm, S7-300 mounting rail","Shock Resistance":"EN 60721-3-7 Class 7 M2","at 24 V / maximum":"0.5 A","at 24 V / typical":"0.4 A","For Supply Voltage":"M12, 8-pin","Shock Acceleration":"300 m/s²","at DC / rated value":"24 V","protection class IP":"IP65","For External Antenna(S)":"TNC","Number Of Digital Inputs":"1","Vibrational Acceleration":"20 m/s²","Number Of Digital Outputs":"1","Suitability For Operation":"ISO 15693 Transponder (MDS Dxxx), for connecting to communication modules and PC systems","Of Antenna Cable / Maximum":"25 m","Of Antenna Cable / Minimum":"3.3 m","Number Of External Antennas":"1","For Communications Interface":"M12, 8-pin","At The Digital Inputs/Outputs":"M12, 4-pin, female connector","Type Of Electrical Connection":"M12, 8-pin","for RS 422 interface / maximum":"1000 m","with RS 232 interface / maximum":"30 m","Operating Frequency / Rated Value":"13.56 MHz","Product Feature / Multitag-Capable":"Yes","Protocol / With Radio Transmission":"ISO 15693, ISO 18000-3","For Read Access / Per Byte / Typical":"0.6 ms","For Write Access / Per Byte / Typical":"0.6 ms","Standard For Interfaces / For Communication":"RS422/RS232","Transfer Rate / With Radio Transmission / Maximum":"26.5 kbit/s"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$272.16","stockQuantity":0,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.aoctrl.com/6ca89e49c0b4a12fbf4c738deac27aea.pdf","sourceUrl":"https://support.industry.siemens.com/webbackend/api/ProductSupport/TechnicalData?language=en&region=cn&productId=492365&mlfb=6GT2821-0AC12"},"ai":{"faq":[{"question":"What is the read range of this reader?","answer":"The maximum read range is 650 mm, adjustable via transmission power. Actual range depends on the transponder type used."},{"question":"What transponder protocols does it support?","answer":"It supports ISO 15693 and ISO 18000-3 transponders, and is multitag-capable."},{"question":"What is the MTBF of the 6GT2821-0AC12?","answer":"The MTBF is 18 years."},{"question":"What is the supply voltage and current draw?","answer":"The supply voltage is 24 VDC (21.6–26.4 V range). Typical current draw is 0.4 A, maximum 0.5 A."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/6GT2821-0AC12","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/6GT2821-0AC12 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}}