MES, MOM & Shop-Floor Data Systems worked example

Downtime Reason Coverage at 17% shift handoff and login allowance: a worked example

Push shift handoff and login allowance up to 17% and the picture changes. This example computes every intermediate figure at that operating point. Use when planning operator workload for downtime coding. Helps determine whether operators have enough time to categorize every event or if you need automated detection to close the gap.

The inputs for this scenario

  • Downtime events per shift: 24 events (unchanged)
  • Events coded per minute: 2 events / min (unchanged)
  • Shift handoff and login allowance: 17 % (raised for this scenario; the documented default is 15)

Working through the calculation

  • Applying the documented formula (Base coding time = downtime events per shift / events coded per minute) to the inputs above produces each figure below.
  • At this operating point the engine returns 14.04 hr for total shift coding time, the number this scenario is built around.
  • At this operating point the engine returns 12 hr for base coding time.
  • At this operating point the engine returns 17 % for handoff and login allowance.
  • At this operating point the engine returns 2 pieces / min for coding speed.

How this compares with the baseline

  • Against the tool's baseline example, where shift handoff and login allowance sits at 15% and the headline result is 13.8 hr, this scenario comes in 1.74% above the baseline at 14.04 hr.
  • It computes the total operator time per shift to code all downtime events, base coding time plus a handoff and login allowance. The value of this scenario is the size of the gap it exposes: that gap, priced out over a year, is the budget you can justify spending to close it.

Results at a glance

  • Total shift coding time: 14.04 hr (headline result)
  • Base coding time: 12 hr
  • Handoff and login allowance: 17 %
  • Coding speed: 2 pieces / min

Run it with your numbers

  • Every input above is editable in the live Downtime Reason Coverage calculator, which recalculates instantly and can be shared with the inputs intact.

Last reviewed 2026-05-12.