More examples coming
Isometric vs P&ID checks and further register workflows will follow.
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PLEXUS EXAMPLES
Where Plexus saves engineering hours
Each example uses the hypothetical ACD acetone plant to show how source artifacts become structured, reviewable engineering work.
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P&ID tag extraction
One P&ID sheet in, checkable registers out: equipment, instruments, valves and lines, with every value a reviewable candidate.
- Input
- One P&ID sheet (hypothetical plant ACD; the drawing itself is not shown)
- Output
- Equipment, instrument, valve and line registers, off-page connectors and items flagged for engineer review
P&ID revision comparison
Rev 1 against Rev 0: every added, removed and modified tag listed with before and after values, checked against the registers.
- Input
- Two revisions of one P&ID sheet (hypothetical plant ACD; drawings not shown)
- Output
- Change register with carried-into-registers status and items needing engineer attention
Pump datasheet vs offers
One datasheet, three offers: every parameter aligned, deviations marked, the bid tab ready for a decision.
- Input
- Pump datasheet for P-101A/B plus three vendor offers (hypothetical plant ACD, fictional vendors)
- Output
- Bid tabulation with per-parameter compliance and deviations flagged for engineer review
Line register vs Basis of Design
Fifteen lines against three BoD rules: design pressure, design temperature and insulation checked, conflicts flagged for review.
- Input
- Line register for one P&ID sheet plus the BoD design rules (hypothetical plant ACD)
- Output
- Per-line rule evaluation with pass, conflict and check statuses and conflicts flagged for engineer review
Pump RFQ generation
From datasheet to inquiry: a 40-line RFQ draft with every line traced to the datasheet or the BoD and open points flagged before issue.
- Input
- Pump datasheet for P-101A/B plus the BoD site and utility data (hypothetical plant ACD)
- Output
- RFQ draft with per-line provenance, proposed template defaults and open points for engineer review
SIF register vs Basis of Design
Nine safety functions checked against the BoD: initiators, final elements, SIL targets and test basis, with conflicts flagged for review.
- Input
- SIF register plus the BoD safety-instrumented-function table (hypothetical plant ACD)
- Output
- Per-function evaluation with pass, conflict and check statuses and conflicts flagged for engineer review
Alarm list vs instrument index
Twelve alarms checked against the instrument index and the alarm philosophy: orphans, range clashes and priority drift flagged for review.
- Input
- DCS alarm list for one P&ID sheet plus the instrument index and BoD alarm philosophy (hypothetical plant ACD)
- Output
- Per-alarm evaluation with pass, conflict and check statuses and conflicts flagged for engineer review
Equipment list vs datasheets
Six equipment items cross-checked across the register, two datasheets and the BoD: materials, duties and design conditions aligned, conflicts flagged.
- Input
- Equipment register, two datasheets and the BoD (hypothetical plant ACD)
- Output
- Per-item cross-check with pass, conflict and check statuses and conflicts flagged for engineer review