9
THEORY OF OPERATION
Theory of Operation
The following will provide you with an outline of operations and a list of modules found in
the DC-UPS.
Modules
•
Rectifier
•
System Controller/LVD
•
Battery Module
•
Distribution and Connectors
Functional Block Diagram DC-UPS
Figure 1
Rectifier
The rectifier converts AC input power to regulated DC output power. The DC-UPS rectifier
provides up to 320 watts of power. The input of the rectifier is fused for protection...
System Controller/LVD
The System Controller has the following functions:
•
Distribution of the DC power
•
Battery charge voltage and current control and monitoring
•
Battery Low Voltage Disconnect Function (LVD)
•
Battery charge and test status indicators
•
Automatic and manual battery test
•
Local and Remote Alarms (optional)
LED Indicators
There are two LED indicators on the front of the unit; Battery Charge Status and Battery
Test Status. The functions of these indicators are as follows:
RECTIFIER
SYSTEM
CONTROLLER
DISTRIBUTION
MODULE
BATTERY
PACK
