SC300 Handbook
30
Copyright © 2007-2018 Eaton Corporation. All Rights Reserved.
IPN 997-00012-03 B2 Issue B2 July 2018
Battery Test
Battery Test is a preventative maintenance tool that monitors the discharge capabilities to ensure
that the condition of the battery has not deteriorated over time.
The SC300 temporarily reduces the output voltage of the rectifiers to just below the bus voltage for
a set duration. The battery then supplies power to the load. A battery test passes if the battery
voltage remains above a predetermined level for the duration of the test.
Battery Tests can be scheduled to occur at regular intervals, and/or can be started/stopped
manually, and/or can be started by an external relay contact or switch.
Battery Test does NOT function during a Fast Charge or Equalize, or during the lock-out period
after an ac supply failure.
If a Digital Input has the function "Start Battery Test" then a Battery Test will start when the
Digital Input becomes active.
► To enable Battery Test (or to start or stop a test manually)
• Use the SC300 keypad to go to: Control Processes > Battery Test.
• Or, in DCTools/Web go to: Control Processes > Battery Test
► To use an external relay contact to activate a Battery Test (optional)
• Connect a voltage free relay contact or switch to any Digital Input.
• In DCTools/Web go to Digital Inputs.
• Configure the selected Digital Input and set Function to Start Battery Test.
Information
The following information is available about Battery Test.
Parameter Description Where to find:
State Indicates if Battery Test is disabled, locked-out, active
or inactive.
SC300: Control Processes >
Battery Test
DCTools/Web: Control
Processes > Battery Test
Next Start Time The start time of the next scheduled Battery Test.
Time shown on SC300
is UTC. Time on PC running
DCTools/Web is local time. See SC300 Internal
Clock on page
19.
Remaining Time The time to the end of the currently active Battery Test.
Battery Test
Lockout Remaining
The time remaining until a Battery Test can be started.
Battery Tests cannot be started
supply failure.
Lockout can be disabled by temporarily setting Interval
to 0d.
Voltage Offset The adjustment to the bus voltage being applied due to
the Battery Test. While a Battery Test is running, the
rectifiers are turned down to force the battery to carry
the load.
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