DATA COLLECTION UNIT
Data Collection Unit, is an electronic memory device installed on the engine
and interfaces with the Electronic Engine Control via the engine electrical
harness.
DCU function:
• Provides ITT and torque trim values to the EEC
• Store the folling information:
• Engine serial number
• Cycles
• Engine running time (not flight hours)
• Exceedances detected by the EEC
• System fault codes detected by the EEC.
The trim values stored into the DCU are specific to the engine serial number.