Vertiv
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NetSure DC/DC Converter Module User Manual (UM1C24481500 / 11WA6101WB)
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Rev. G
10
NOTE!
When the converter module is not used with a controller, the default overcurrent point is 102.5%
to 115% of rated full load.
c)
Power Limit: Output power is limited to 1500W.
d)
Over Temperature Protection: The operation of a DC-DC converter module will automatically shut
down if the internal temperature of the module exceeds a predetermined value. Operation will
automatically resume after the over-temperature condition is corrected.
•
Series Paralleling Output FET: A series paralleling output FET is provided in each DC-DC converter
module. This allows the Modules to be paralleled for redundancy.
•
Hot Swappable: The converter module is designed to be plug-and-play. The converter module can be
inserted or removed from a live DC power system with no damage. When the converter module is
plugged into the system, the sub-system output voltage will not be affected.
•
Cooling: Each converter module contains two fans for forced convection cooling.
a)
Fan Fault Protection: The converter module shuts down and locks out and its fault indicator (red)
flashes if either fan fails. Fan failure is detected and reported to controller. The fans are field
replaceable.
b)
Fan Control: Fan speed is continuously variable. When input voltage is within normal range, the
built-in processor adjusts fan speed according to the converter module’s output power. For
example, a higher output power increases the fan speed. Fan speed control can be disabled by the
controller.
•
Communication Failure: The protection indicator (yellow) will flash should communication between the
converter module and associated system controller fail. The failure information will be reported to the
associated system controller and the controller will process the failure accordingly. During a
communication failure, the converter module output voltage will automatically adjust to 48.00Vdc. The
converter module will revert to normal operation once normal communication is restored.
•
Monitoring Function: The converter module has a built-in advanced DSP (Digital Signal Processor) that
monitors and controls the operation of the converter module. The DSP also communicates with the
associated system controller in real time through the CAN bus. The following table lists the different
commands and information exchanged between the converter module and the controller.
•
External Alarm Circuits: Provided via the associated controller. Refer to the separate Power System
documentation for a description of available external alarms.
