Insights
Field Notes
Short notes on problems we run into often on site: what the symptom looks like, where the root cause usually sits, what to check and which fixes do not work.
PLC, SCADA and Historian Layers: Where Industrial Reporting Usually Fails
If report figures do not match from shift to shift, the problem is usually not the reporting tool but the data path from source signal to report.
Read note →Secure Remote Access in OT: Why Direct Vendor VPNs Become a Production Risk
In a plant where every vendor connects through its own VPN, the real access model is usually much wider than anyone thinks.
Read note →SCADA Modernization Without Stopping Production: A Brownfield Approach
SCADA modernization moves forward without putting production at risk when it is planned subsystem by subsystem, around operating windows, rather than as one big cutover.
Read note →