Vertiv™ NetSure™ Control Unit (NCU) User Manual
• Clear Rect Comm Fail Alarm: Clears a rectifier communication fail alarm. The only selection is Yes. Once Yes is selected
and confirmed, the alarm clears.
• Rectifier Upgrade: Enables or disables upgrading the firmware in the rectifiers. When enabled, the following parameter can
be set.
• Normal Update: When “Yes” is selected, updates the rectifiers firmware. See “Upgrading the Rectifiers Firmware” on page
50.
DC/DC Converters Tab Programmable Parameter Descriptions
• Output Voltage: Sets the output voltage for all converters.
• Current Limit: Enables or disables adjusting the output current limit point. When enabled, the following parameters can be
set.
Current Limit Point: Sets the output current limit point for all converters combined when the “Current Limit” setting above
is set to enabled.
• HVSD: Enables or disables the High Voltage Shutdown feature for all converters. When enabled, the following parameters
can be set.
HVSD Limit: Sets the High Voltage Shutdown point for all converters when the “HVSD” setting above is set to enabled.
• Under Voltage: Sets the converter Under Voltage alarm point.
• Over Voltage: Sets the converter Over Voltage alarm point.
• Over Current: Sets the converter Over Current alarm point.
• Converter Trim(24V): Temporarily sets the output voltage for all converters when the controller is in Manual mode. Setting
returns to original when controller is returned to the Auto mode.
• Converters LED Control: Temporarily sets whether or not a converter’s local power indicator blinks when the controller is
communicating with the converter when the controller is in Manual mode. Setting returns to original when controller is
returned to the Auto mode.
• Fan Speed Control: Sets the fan speed for all converters.
• Confirm Converter ID: After changing converter ID assignments, use this menu item to confirm the change. The only
selection is Yes. Once Yes is selected and confirmed, the ID setting of all converters is updated.
• Reset Converter IDs: Resets the converter IDs after they have been previously changed and confirmed. The only selection
is Yes. Once Yes is selected and confirmed, the NCU resets the converter IDs by reassigning ID numbers.
• Clear Converter Lost Alarm: Clears a converter lost alarm. The only selection is Yes. Once Yes is selected and confirmed,
the alarm clears.
• Clear All Converters Comm Fail: Clears an “All Converter Comm Fail” alarm. The only selection is Yes. Once Yes is
selected and confirmed, the alarm clears.
• Clear Converter Comm Fail: Clears all “Converter Comm Fail” alarms. The only selection is Yes. Once Yes is selected and
confirmed, the alarm(s) clears.
Solar Tab Programmable Parameter Descriptions
• Solar Converter Current Limit: Sets the output current limit point for all solar converters combined.
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