MTBF and MTTR: how to calculate them and where they mislead
Definitions, formulas and a worked example for MTBF and MTTR, plus the pitfalls: what counts as a failure, what counts as repair time and why averages hide long outages.
· 4 minFrom the production line to business systems: implementation steps, design decisions and commissioning checks.
5 articles · reliability
Definitions, formulas and a worked example for MTBF and MTTR, plus the pitfalls: what counts as a failure, what counts as repair time and why averages hide long outages.
· 4 minRedundant SCADA systems fail in interesting ways. What the standard topologies are and how to test the one you buy.
· 2 minQoS 0, 1, and 2 are often misread as reliability tiers. What they actually guarantee - and how to choose per message class.
· 2 minThe only copy of a machine's logic should never live on a single laptop. A practical backup strategy for PLC programs of any age.
· 2 minDesign notes for reliable, secure and observable MQTT infrastructure in industrial settings: broker clustering and persistence, mutual TLS, edge brokers for buffering, session settings and monitoring.
· 3 minLet’s look at your machine, your data flow or your production goal together. Describe your situation in a few sentences and the ASP Dijital team will reply by email.