Data Normalization in IIoT: Handling PLC Register Formats, Byte Ordering, and Scaling Factors [2026 Guide]
· 13 min read
If you've ever stared at a raw Modbus register dump and tried to figure out why your temperature reading shows 16,838 instead of 72.5°F, this article is for you. Data normalization is the unglamorous but absolutely critical layer between industrial equipment and useful analytics — and getting it wrong means your dashboards lie, your alarms misfire, and your predictive maintenance models train on garbage.
After years of building data pipelines from PLCs across plastics, HVAC, and conveying systems, here's what we've learned about the hard parts nobody warns you about.