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Terms and abbreviations used
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EDSMDAG EN 2.0
1.5 Terms and abbreviations used
Term Description
AppC Application Controller
CAN Controller Area Network or electric circuit for CAN with its own current
supply
DC Direct current
DCU DC/AC inverter
Drive Control Unit
DCU PSU Combined device
Double inverter Inverter for two motors or two drives
Single inverter Inverter for one motor or one drive
HCU Host Control Unit (also Vehicle Control Unit or Machine Control Unit)
HV on−board supply system High−voltage (on−board) system ISO 6469−3, voltage class B
IT Isolé Terre system (star point not earthed)
TRM15 Terminal 15: Terminal 15 is the original contact "Ignition on" at the
steering lock which switches on the MOBILE PSU/DCU by a switch−on
pulse (LOW−HIGH edge).
TRM30 Positive voltage of the voltage supply (12 V or 24 V)
TRM31 Negative voltage of the voltage supply (0 V). This signal is potentially
connected to the vehicle chassis.
Performance electronics Rectification, DC bus and DC−AC converter
LV on−board supply system Low−voltage (on−board) system ISO 6469−3, voltage class A
MC Motor Controller
MOBILE Product platform for automotive drive solutions
»MOBILE Engineer« Engineering tool, software solution for easy engineering in all phases
Module Electronic unit or device
Motor A First motor controlled by MC
Motor B Second motor controlled by MC (optional)
n. c. Not connected
PE Chassis
Protective earth
Private CAN Real time CAN Bus which is used for controlling drives.
PSU DC/DC converter
Power Supply Unit
Public CAN CAN bus on the vehicle side which is used for integrating the MOBILE
PSU/DCU into vehicles.
Control electronics Open−loop control, closed−loop control, setpoint generation, monitoring
SM Synchronous motor
Tn Terre Neutre system (star point is earthed)
DC bus DC bus
SLVCI Sensorless vector control for asynchronous motors
SLVCS Sensorless vector control for synchronous motors
SLVFCI Sensorless V/f characteristic control for asynchronous motors
Ctrl Control
VCI Vector control for asynchronous motors
VCS Vector control for synchronous motors
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