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Automatic Test:
Enable or disable automatic periodic running of the battery test. The factory default
setting is disabled.
Interval:
The test interval (time between tests) can be set from 1 to 18 months in 1 month increments.
The factory default setting is 12 months.
Next Test:
Enter a particular day in dd
-
mm
-
yy format to automatically run the battery test on that day.
Start Time:
Enter a particular time in hh
-
mm format to automatically run the battery test at that time.
The setting can configured from 0 to 23 hours. 00:00 is midnight.
Hours from BD:
Time interval needed to elapse since the last Battery on Discharge alarm before a
battery test can be performed. This can be set from 0 to 240 hours in 1 hour increments. The factory
default setting is 72 hours.
Recharge Amp Limit:
This section contains the settings for battery recharge current limit.
Limit:
Enable or disable battery discharge current limiting.
Limit To:
Current limit setting, from 5A to 100A. The factory default setting is 50A.
During this test, the controller lowers the rectifier voltage to 44V. (This value was chosen to be higher
than 1.2V plus the highest possible LVD contactor disconnect threshold so as not to accidentally open
the LVD contactor.) Lowering the rectifier output voltage to 44V creates a battery on discharge
condition. If the batteries are present and healthy, the plant voltage will remain above 48V and the
batteries will support the load. If the batteries are not present or are not able to support the load, the
plant voltage will immediately drop to approximately 44V without any consequence to the load. The
Battery on Discharge alarm is masked during this test.
The test is terminated by the occurrence of any of the following conditions:
•
Initiating another Plant Battery Test. That is, once the test has been initiated, the test may be stopped by initiating
another test either through the controller or by shorting pins 19 and 20 of the host interface connector.
•
An alarm condition occurring. Any alarm condition that occurs during this test will result in the test being aborted
regardless of whether the contact
-
closure exists between pins 19 and 20 of the host interface connector.
•
The test has continued for over 100 minutes.
•
The plant voltage has dropped below 44V. In this case, the system will abort the test and resume rectifier
operation.
After the test has stopped, the plant will revert to the float mode. It may go to boost mode if the
auto
-
boost feature has been enabled.
Summary of Contents for CPS6000
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