Zoniax · Archive

Field Notes · Page 2

Field notes on industrial operations intelligence — sensors, edge telemetry, and machine learning for processing plants.

13 min read IED 2.0

IED 2.0: The Meters You Need Before July 2027

The revised Industrial Emissions Directive asks large plants to prove their water, energy and materials performance, and the number it wants is a ratio most sites can't yet defend.

12 min read root-cause-analysis

From Anomaly to Root Cause in Continuous Plants

An anomaly score tells you something changed. Getting to what changed first is a separate, harder problem in correlation, direction, and disciplined alarms.

12 min read edge-ai

Running LLMs at the Edge Inside the Plant

A field note on putting a language model in the rack: the hardware, the memory-bandwidth wall, the heat, and why the box never closes a control loop.

13 min read OPC UA FX

OPC UA FX at the Field Level: Past the Gateway

What the OPC Foundation's Field eXchange profile actually standardizes between controllers, the TSN and Ethernet-APL wires underneath, and where it isn't ready yet.