Euro-VI▪ Controls & Dosing
Aftertreatment Control Unit
Aftertreatment control unit running dosing, heater, purge and regeneration strategies with NOx feedback, OBD diagnostics and CAN to the engine ECU.
Where it is used
- SCR dosing control
- DPF regeneration control
- OEM engine integration
- Retrofit systems
Key specifications
- Engine power or size
- All system sizes
- Emission norm
- Euro-VI
- Interfaces
- CAN J1939, PWM, analog
- Supply
- 12 / 24 V DC
- Temperature Control
- Tight temperature control
- Housing
- Die-cast aluminium, sealed
Functions
- Dosing
- Closed-loop on NOx sensors
- Thermal
- Heater and bypass valve logic
- Regeneration
- Automatic active regeneration
- Safety
- Dosing inhibit under unsafe states
Validation
- Validation
- Hardware-in-the-loop tested before release
- Diagnostics
- Sensor health, dosing accuracy, slip
- Logging
- Fault memory and freeze frames
- Updates
- Calibration per engine family