Drag and Drop Question A manufacturing company is using Dynamics 365 Supply Chain Management and wants to take advantage of the asset management capabilities. The company has a fleet of delivery…

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Explanation

Dynamics 365 Asset Management: Maintenance Plan Line Types

Core Concept

In Dynamics 365 Supply Chain Management, maintenance plan lines define when maintenance is triggered. The two plan types correspond to different measurement systems:

Placement Breakdown

Requirement 1: Oil change every 25,000 miles → Counter

• Mileage is a counter - it accumulates incrementally as the truck is used.
• In D365, counters are registered against an asset (the truck) and the maintenance plan triggers when the counter reaches a defined threshold (25,000 miles).
• The maintenance fires based on usage, not the passage of calendar time.

Requirement 2: Comprehensive inspection every six months → Time

• "Every six months" is purely calendar-based - it doesn't matter how many miles were driven.
• A Time-based plan line uses a recurrence interval (e.g., 6 months) tied to a calendar date.
• The maintenance triggers when the specified time period elapses since the last work order.

Common Mistakes / Misconceptions

• Using Time for mileage: A truck sitting idle for months would trigger an oil change even at 0 new miles. Counter correctly ties the trigger to actual vehicle use.
• Using Counter for inspections: If a counter isn't registered (truck is idle), the inspection might never fire - dangerous for a safety-critical check that should happen regardless of usage.
• Confusing "schedule" with "plan type": Both use a maintenance plan, but the line type dictates the trigger mechanism, not the frequency number.

Summary

Counter = trigger on accumulated usage (miles, hours) Time = trigger on elapsed calendar time (days, months, years)

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