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Current news on industrial automation, OPC technologies and the industry.
FAT and SAT: what should acceptance testing prove?
Acceptance testing should not be a formality at the end of a project. FAT and SAT answer different questions in different…
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Building an I/O list that supports PLC and DCS engineering
An I/O list is the shared language between field equipment and control software. Missing units, ambiguous signal types or…
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Automation backups: plan the restore, not just the copy
The existence of a backup file does not prove a system can be restored within the required time. Recovery needs project files…
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Alarm management: a systematic way to reduce operator workload
More alarms do not mean more safety. Alarm management defines the purpose, priority and expected operator action for every alarm…
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Map connections before segmenting an OT network
Introducing a boundary into an OT network without understanding required data flows can affect operations. Alongside a network…
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OPC UA certificates: from first connection to lifecycle management
An OPC UA connection working today does not prove it will work after a certificate renewal. Application identities, trust lists…
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Production reporting needs timestamps and quality, not just values
Two reports for the same production line can disagree without an arithmetic mistake. Timestamps, sampling, quality flags and…
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The first step in energy monitoring: define the measurement boundary
An energy dashboard has limited value when it is unclear which production activity each measurement represents. Plant totals…
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Comparing automation proposals on equal scope
The lowest total price does not always mean the same work has been offered more economically. Tests, documentation, licenses and…
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