====================================================================== Ore Tracking RFID Tagging Specification (DWG) ====================================================================== DEFINITION ---------------------------------------- The Ore Tracking RFID Tagging Specification (DWG) is a technical drawing document that defines the physical, electrical, and data-encoding requirements for RFID tags used to uniquely identify and track ore batches throughout mining and metallurgical processing workflows. It specifies tag mounting locations, environmental durability criteria (e.g., dust, moisture, impact resistance), communication protocols (e.g., ISO/IEC 18000-7 for active UWB or ISO/IEC 18000-63 for passive UHF), and integration interfaces with plant control systems. The DWG serves as an engineering baseline for procurement, installation, commissioning, and validation of RFID-based ore traceability infrastructure. OVERVIEW ---------------------------------------- Ore tracking via RFID enables end-to-end material accountability from extraction through crushing, blending, leaching, smelting, and refining—critical for grade control, regulatory compliance (e.g., Dodd-Frank conflict minerals reporting), and operational optimization. The specification establishes standardized tag form factors (e.g., ruggedized ceramic-encapsulated passive UHF tags rated IP68/NEMA 4X), mounting methodologies (e.g., embedded in blast-hole collars, affixed to haul truck buckets or conveyor chutes), and data schema (e.g., EPCglobal-compliant TID/EPC memory banks storing unique ore ID, timestamp, origin block, assay batch ID, and metallurgical priority code). It mandates interoperability with existing mine automation systems (e.g., OSIsoft PI, Siemens PCS7, or ABB Ability™) via OPC UA or MQTT gateways, ensuring real-time synchronization with MES and LIMS databases. Environmental constraints—including temperature extremes (-40°C to +85°C), vibration spectra per ISO 5344, and electromagnetic interference mitigation near high-power drives—are codified to guarantee reliable read performance (>99.5% success rate at 3–5 m range under typical plant conditions). Validation procedures, including tag survivability testing (drop, abrasion, chemical exposure) and system-level read/write throughput benchmarks, are also defined to ensure robustness across the metallurgical value chain. KEY COMPONENTS ---------------------------------------- 1. RFID Tag Physical Enclosure & Mounting Interface 2. EPC Memory Structure & Data Encoding Schema 3. Reader Antenna Placement & Coverage Zone Specification APPLICATIONS ---------------------------------------- - Real-time ore stream segregation for grade-based blending - Automated reconciliation between mine production reports and mill feed assays - Regulatory chain-of-custody documentation for export compliance KEY FORMULAS ---------------------------------------- Tag Read Reliability Index (RRI): RRI = (N_success / N_attempts) × 100% -> Quantifies percentage of successful RFID reads per tag over a defined operational cycle; target ≥99.5% for critical tracking points. Effective Read Range (d_max): d_max = √(P_t × G_t × G_r × λ² × σ) / (4π × √(L_sys × SNR_min)) -> Calculates maximum reliable read distance based on transmitter power, antenna gains, wavelength, radar cross-section, system losses, and minimum signal-to-noise ratio. RELATED CONCEPTS ---------------------------------------- - Digital Twin of Mineral Processing - Grade Control Management System (GCMS) - ISA-95 Level 2/3 Integration REFERENCES ---------------------------------------- ISO/IEC 18000-63:2013 — Information technology — Radio frequency identification for item management — Part 63: Parameters for air interface communications at 860 MHz to 960 MHz Type C (https://www.iso.org/standard/54724.html) Mine Automation Standards Consortium (MASC) RFID Interoperability Framework v2.1 (https://www.mineautomation.org/standards/rfid-framework) TAGS ---------------------------------------- mining, rfid, metallurgy, traceability, dwg, industrial-iot