Integration between modern IoT platforms and industrial systems that were designed before IoT was a category: SCADA systems (Ignition, Wonderware, Siemens WinCC), MES platforms, CMMS systems (IBM Maximo, SAP PM), and ERP backends. Legacy equipment communication via Modbus TCP, OPC-UA (the standard protocol for secure industrial data exchange between PLCs, SCADA systems, and cloud platforms), Profibus, and proprietary PLC protocols -- translated to modern MQTT or REST APIs so the data flows into your cloud platform without replacing operational hardware.
Edge computing nodes (Raspberry Pi, industrial gateways from MOXA, Advantech, or Siemens SIMATIC) handle local data aggregation, protocol translation, and preprocessing in environments where cloud connectivity is intermittent (cellular in remote sites, satellite in offshore facilities) or where round-trip latency to the cloud is too high for real-time control loop decisions. Edge-to-cloud sync uses a store-and-forward pattern: data is persisted locally during connectivity gaps and uploaded in sequence when the connection recovers, so no telemetry is lost during outages. Predictive maintenance pipelines connect vibration, temperature, and current draw sensor data to maintenance work order triggers in your CMMS, surfacing equipment anomalies 24-72 hours before failure rather than after the unplanned downtime. Anomaly detection models trained on historical sensor patterns from your specific equipment identify the deviation signatures that precede bearing failures, motor overheating, and seal degradation -- with enough specificity to reduce false alarms that create maintenance fatigue.