Scan Button and Information Field

Scan Button

Selecting the button in the lower left-hand corner of the user interface initiates a scan of the UDI connections in the PD1550A system and read calibration constants. The Information field () shows the results of the scan, for example:

In this example, the seven boards or instruments are:

UDI1 - Low-Side Gate Drive Module
UDI2 - High-Side Gate Drive Module
UDI3 - Interface Module
UDI3 - Low-Side Gate Resistor Board
UDI3 - High-Side Gate Resistor Board
UDI11 - High Current Test Fixture (PD1550A-010)
UDI12 - Inductor Unit (PD1550A-090)

UDI connectors 1 through 6 are on the front panel of the PD1550A-020 Control Unit. UDI connectors 7 though 12 are on the rear panel of the Control Unit and are accessible only through unlocking and opening the rear doors of the system rack.

Information Field

The Information field, generally marked with a large blue circle with a capital “I” displays information about the status of the current or most recent DPT test, warnings and error messages. For example: