Tales from the Toilet
summary
Factory lines run at about 40–50 km/h and single-minute downtime cuts tight margins; telemetry comes from decades-old PLCs and giant three‑ton jumbo rolls. A Node.js gateway reads memory addresses from Siemens S7 devices, batches and compresses data, publishes via MQTT to feed K Edge, consolidates on device to survive 2G links, and stores time series in IRONdb. The team builds PLC reader (YAML configs, drivers, processors) and Debian packages via Debianize; it runs in production and improves uptime.
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