Renesas ISL78226EVKIT1Z User Manual page 35

ISL78226EVKIT1Z, ISL78224EVKIT2Z
5.3.2 Combo Box Options
Flag: If a fault is detected, the fault response is to notify the user and continue operation.
Latch: If a fault is detected, the fault response is to shut the system down. The only way to recover is to cycle
the supplies.
Hiccup: If a fault is detected, the fault response is to shut the system down and restart the system every 500ms.
If a fault is still present, shut the system down and repeat until the fault is removed.
5.3.3 Fault Response Settings
A portion of the control registers in the digital domain select the actions to be taken when fault(s) occur. The
software combo boxes have specific options for each register and guide you through the setup process.
5.3.4 Editing Startup Files for Fault Response
You can save fault responses in the startup file during the initial startup from the software. This option enables
you to preload fault responses the next time you resume the project. Refer to the Phase Dropping and Tracking
video to see this procedure
a file is at the end of the video.
Complete the following steps to set the fault responses for the input and output UV and OV limits from the
Control Registers tab.
(1) You can set the fault response for the input and output UV and OV limits from the Control Registers tab
(Figure 39 on page
combo box from Disabled to Enabled and click the yellow Write / Update B0-7 Individual Fault
Response button beside the Enable/Disable combo box. This setting enables all the fault responses to be
changed from their individual combo boxes.
(2) When the fault responses have been set, click Write Register Settings (top right of the Control Registers
tab) to save the fault responses.
(3) Click Read Register Settings (top left of the Control Register tab) to verify the settings have been saved.
(4) To save these settings to a file for later use, click the Control Regs (Hex) tab
(5) Click Save Configuration File (lower right side of the Control Regs (Hex) tab).
(6) A pop-up window prompts you to save the file on the C: drive. If the default locations are selected when the
software is loaded, click Open to save the file to this location on the C: drive (C:PC8\Users\Public\ISL78226).
Complete the following steps to reload the fault response settings at startup.
(7) Click Read Startup File Option (yellow button) in the Startup Options tab
(8) Check the box beside Update Device Control Registers from File.
(9) Check the box beside Read Control and Status Registers (I
(10) Click the yellow Execute Startup button. The saved fault responses are now loaded into the controller.
Complete the following steps to confirm the fault responses have been loaded into the registers.
(11) Click the Control Registers tab
(12) In the Fault Response Setting section, change the combo box from Disabled to Enabled.
(13) Click the yellow Write / Update B0-7 Individual Fault Response button beside the Enable/Disable
combo box. The fault responses for the individual faults are now indicated in the combo boxes.
UG073 Rev.4.00
Jun 7, 2019
Figure 43. Control Register Programming
("Quick Start Videos" on page
33). In the Fault Response Settings section of the Control Registers tab, change the
(Figure 39 on page
5. Using the Software - Detailed
6). The selection discussing saving fault responses to
(Figure 38 on page
(Figure 26 on page
2
C).
33).
32).
22).
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