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| 5.0 Communication
5.2.1 Configuration Program
Accessing the Configuration Program via USB is a new feature of the S4K2UC. For most users, the factory default settings
will be adequate. This section illustrates the features available for modification, as well as the factory default settings.
The USB configuration program allows these features of the S4K2UC to be changed:
♦
Enable/Disable Auto-Restart
♦
Select frequency converter operation with a fixed output frequency of 50 Hz or 60 Hz, bypass disabled
♦
Set the Low Battery Warning alarm time from 2 to 30 minutes
♦
Enable/Disable the Auto-Battery test
♦
Enable/Disable Auto-Restart after removing Remote Shutdown
♦
Set the wiring mode of Remote Shutdown
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Set the Auto-Enable output
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Set the Auto-Battery test to 7, 14, 21 or 28 days
♦
Select the number of external battery cabinets connected to the UPS to adjust the remaining run time calculated by
software products
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Select one of multiple output voltages to match various voltages (see Table 7)
Table 7: Output Voltage Option, All Models
Factory Default, V ac
Output Voltage Option, V ac
120
110, 115, 120, 127
!
WARNING
The output voltage settings cannot be changed while the UPS is on and powering connected loads.
NOTES:
For all 120 V models, when the output voltage is programmed for 110 V ac, the UPS will be automatically derated as follows
(refer to “9.0 Specifications” for VA and Watt ratings):
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700 VA–1000 VA: Derated to 95% of both the VA and Watt ratings
♦
1500 VA–3000 VA: Derated to 90% of both the VA and Watt ratings
NOTES:
♦
The configuration program is compatible with UPS models S4K2UXXXXC, as in S4K2U3000C. It is not compatible
with earlier versions of the S4K2U UPS.
♦
A computer running Windows 2000®, XP® or Vista® is required to set up and run the configuration program.