Mission Profiles

Mission profiles are used to define working phases. Any number of working phases may be included
within a mission profile.

Later, the mission profiles can be assigned in the FIT Details view.

Open

Here in the Missions profiles view you can add and edit profiles. To add a new mission profile, click
the green plus symbol in the top right corner.

A mission profile has to be broken down into several homogeneous working phases, on the basis of a
typical year of use. The following phases have to be taken into account:

• On/off working phases with various average outside temperatures

• Permanent-working phases with various average outside temperature swings

• Storage/dormant phases mode with various average outside temperature swings. For a reliability
  calculation, the time quantity is the number of calendar hours of the installed population of this
  equipment, including working as well as storage/dormant hours.

  Open

  

Enter the name for your mission profile and click OK to add it. If you want to create more profiles
immediately, click Save & proceed.

If you created a mission profile, select it and add a working phase with a click on the green plus
symbol.

Now you need to add information to the working phase in this dialog. The following list describes the
values which have to be entered:

• Name (required): the name of this working phase

• phase type: ON_OFF, Permanent or Dormant

• t_ae: average outside environmental temperature surrounding the equipment, during the i^th phase
  of the mission profile

• n: annual number of thermal cycles seen by the components of the PCB, corresponding to the i^th
  phase of the mission profile with an average swing Δ T

• ΔT : average swing of the thermal variation seen by the components of the PCB, corresponding to
  the i^th phase of the mission profile.

If you are done, you may use this mission profile in the FIT details for IEC62380 catalogs.