MES, MOM & Shop-Floor Data Systems worked example

Downtime Reason Coverage at 11% shift handoff and login allowance: a worked example

Suppose shift handoff and login allowance falls to 11%. This page works the full calculation at that level so you can see exactly which result moves and by how much. Estimate the time operators need to code and categorize all downtime events during a shift, including allowances for login and handoff delays.

The inputs for this scenario

  • Downtime events per shift: 24 events (held at the documented default)
  • Events coded per minute: 2 events / min (held at the documented default)
  • Shift handoff and login allowance: 11 % (the input this scenario stresses; the baseline uses 15)

Working through the calculation

  • The calculation starts from the formula this tool documents: Base coding time = downtime events per shift / events coded per minute.
  • Total shift coding time works out to 13.32 hr at these inputs, and this is the headline figure for the scenario.
  • Base coding time works out to 12 hr at these inputs.
  • Handoff and login allowance works out to 11 % at these inputs.
  • Coding speed works out to 2 pieces / min at these inputs.

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 3.48% below the baseline at 13.32 hr.
  • It computes the total operator time per shift to code all downtime events, base coding time plus a handoff and login allowance. When the numbers land here, the stressed input is the lever to work; the walkthrough above shows exactly how much each output recovers as it climbs back toward the baseline.

Results at a glance

  • Total shift coding time: 13.32 hr (headline result)
  • Base coding time: 12 hr
  • Handoff and login allowance: 11 %
  • Coding speed: 2 pieces / min

Run it with your numbers

  • To rerun this with your own numbers, open the live Downtime Reason Coverage calculator, set shift handoff and login allowance to your actual value, and adjust the remaining inputs to match your operation.

Last reviewed 2026-05-12.