Communication
5.2USB Port Communication
The standard
5.2.1Configuration Program
Accessing the Configuration Program via USB is a new feature of the Liebert GXT3. For most users, the factory default settings will be adequate. This section illustrates the features available for modification, as well as the factory default setting.
The USB configuration program allows these features of the Liebert GXT3 to be changed:
•Enable/Disable
•Select frequency converter operation with a fixed output frequency of 50Hz or 60Hz, bypass disabled
•Set the Low Battery Warning alarm time from 2 to 30 minutes
•Enable/Disable the
•Enable/Disable
•Set the wiring mode of Remote shutdown
•Set the
•Set the
•Select the number of external battery cabinets connected to the UPS to adjust the remaining run time calculated by Emerson® software products
•Select one of multiple output voltages to match various voltages (see Table 6).
Table 6 Output voltage option, all models
Factory Default Setting | Output Voltage Option |
|
|
230VAC | 220VAC, 230VAC and 240VAC |
|
|
NOTICE
The output voltage settings cannot be changed while the UPS is On and powering connected loads.
NOTE
Programming the output voltage of a 230V model of the Liebert GXT3 to 220V automatically derates the UPS to 96% of both the VA and Watt ratings (refer to 9.0 - Specifications for VA and Watt ratings).
NOTE
• This program is compatible with UPS models beginning with ‘GXT3,’ as in
•A computer running Windows 2000®, XP® or Vista® is required to set up and run the configuration program.
23 | Liebert® GXT3™ |