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GUI Event Log

The faults shown on the right side of the block representation are associated with the output. These

include output over-voltage (OV), power good status (PGD), output over-current (OC), and over-

temperature (OT). There is also an indicator if the output is in the latched off state (LO). The device will

latch the output off after the number of user programmable retries is exceeded. To clear the latched off

condition, the output can be toggled off and on by the red power button located in the top right of the

LM5066 block representation.

To show a repetitive update of the device telemetry and status click on the Play button at the top of the

screen. The Play button starts an active telemetry log of the gathered data. Clicking the Stop button stops

the telemetry collection and allows for the log file to be viewed and saved. The pause button pauses both

the displaying and logging of telemetry information.

To enable/disable specific telemetry, click the Display Options button on the block representation and

choose the desired telemetry to display (see Figure 6).

Figure 6. LM5066 Telemetry Display Options

Note that turning off the various warning options does not mask the faults from issuing an SMBus alert - it

just does not display them if they occur. The device is capable of masking various faults and this

functionality can be setup in the device configuration panel.

7 GUI Event Log

A GUI event log is provided to keep track of GUI configuration changes and device fault events. To

display the event log select View from the main menu bar and then View Event Log. The event log will

appear on the left side of the main GUI window. The event log can be detached and expanded if desired

by left clicking on the event log window and dragging window with the mouse to the desired location.

8 Plotting Telemetry Data

To enable telemetry data plots click on the sine wave button located on the LM5066 block representation.

After enabling the telemetry, a prompt will appear requesting entry of the GUI sample rate, plot rate, and

plot depth. For most cases the default rates and depths will be acceptable. The plotting tool allows the

user to select the desired data to be plotted. Up to 2 different parameters may be plotted at the same time

as shown in Figure 7.

SNVA487A–August 2011–Revised April 2013 AN-2160 LM5066 Evaluation Board

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