Knowledge
Knowledge
Notes on PLC diagnostics, upgrades, commissioning, HMI/SCADA and documentation. Each article discusses a specific check or decision in work on an installation.
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Machine cycle time: locating delays
Compare motion time, waiting for signals and stops. What to record before changing machine sequences or parameters.
3 min read
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Control upgrades: define the scope before shutdown
Define a PLC and HMI upgrade, prepare backups and plan tests, acceptance and restoration of the previous version.
4 min read
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PLC diagnostics: record before reset
The first alarm, sequence conditions and communication state. Information to collect when investigating a recurring machine stop.
4 min read
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HMI screens: what the operator needs to see
Machine state, stop reasons, alarms and recipes. Define visualisation changes with the people who use the panel.
4 min read
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SCADA reports: define the data first
Counters, timestamps and stop reasons. What to agree on so a production report can be compared with the machine’s actual operation.
3 min read
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Cabinet upgrades: from inventory to tests
Compare drawings with the cabinet, define changes and prepare the shutdown. Hand over current documentation after commissioning.
3 min read
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Line commissioning: readiness and test order
Agree on mechanical, electrical and software readiness, assign responsibilities and record open points after line tests.
4 min read
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