iDU series User Manual
TBB Power Co.,Ltd
2
2. Introduction
iDU is a DC UPS integrating multiple functions into one unit, including a smart battery charger,
battery monitor and the load management. The built-in professional adaptive charging algorithm
with automatic temperature charging makes it suitable for composing a power backup system for
various outdoor equipments, such as DAS, RF and FTU etc.
2.1
Schematic Diagram
DC/DC
AC_IN
Vo
DTU/FTU
When AC grid is available, iDU offers 3 steps smart charging to the battery. At the same time,
it offers the power supply to the load.
When AC grid is not available, battery offers the energy to the loads. iDU alarms via dry
contact.
When battery discharged until the low voltage protection level, iDU cut off the output of
battery and alarms via dry contact.
When the battery in the floating state for a long time, in order to avoid plate passivation, the
module will automatically periodically activation process, at the same time also provide
remote manual activation interface and local activation key, convenient for the user to control
the active state.
Features:
Power factor correction.
Professional temperature compensated battery charging control.
Working temperature: -40
℃
-70
℃
.
Low power consumption.
Self- cooling design.
IP55 design.
System data monitor via RS484 communication.
Real-time power supply data.
Real-time alarm data.
Real-time battery data, including battery voltage and discharging current.
