OPERATION
Configuring Battery Settings
Set the UPS for the number of EBMs installed, whether to run automatic battery tests, and automatic restart configuration.
Configuring the UPS for EBMs
To ensure maximum battery runtime, configure the UPS for the correct number of EBMs:
1.
Press any button on the front panel display to activate the menu options, then select SETTINGS, USER SETTINGS, and NUMBER OF
BATTERY STRINGS.
2.
Use the or buttons to select the number of battery strings according to your UPS configuration:
All UPS and EBM Cabinets Number of Battery Strings
UPS only (internal batteries)
UPS + 1 EBM
UPS + 2 EBMs
UPS + 3 EBMs
1 (default)
3
5
7
UPS + 4 EBMs 9
NOTE If 0 is selected, no batteries are connected and all battery-related alarms are disabled.
NOTE The UPS contains one battery string; each EBM contains two battery strings.
3.
Press the button to save the setting.
4.
Press the ESC button until the start screen appears.
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OPERATION
Running Automatic Battery Tests
Automatic battery tests run approximately every 30 days, unless disabled. During the test, the UPS transfers to Battery mode and discharges the batteries for 25 seconds under the existing load.
NOTE The “UPS on Battery” notice and the “Battery Low” alarm do not activate during a battery test.
For automatic battery tests to run:
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The “Automatic Battery Support Tests” setting must be enabled.
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The UPS must be in Normal mode, with no active alarms.
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The batteries must be fully charged.
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The bypass voltage must be acceptable.
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No manual battery test was initiated previously in the same charging cycle.
To pass the battery test, the battery voltage must remain above the threshold value during discharge.
Configuring Automatic Restart
The UPS automatically restarts if utility returns after the output was shut off due to exhausted batteries, a shutdown input signal, or automatic shutdown command.
You can set the load segment for the amount of time to delay the restart once utility returns, using the “Automatic Start Delay” setting. You can also configure UPS restart to depend on the battery charge level, using the “Battery Charge % to Restart” setting.
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Chapter 5
Communication
This section describes the:
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Communication ports (RS-232 and USB)
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Connectivity cards
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Remote Emergency Power-off (REPO)
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Relay output contacts
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Programmable signal inputs
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Modem operation
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LanSafe
®
Power Management Software
Figure 18 shows the location of the communication options and control
terminals on a typical UPS.
See “Rear Panels” on page 91 for rear panel diagrams for each model.
Communication Bay USB REPO
Output Input
RS-232 Standard Relay Output Contact
Figure 18. Communication Options and Control Terminals (PW9130L1000R-XL2U Model Shown)
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