Configuration and Operation
Sageon II 200A (N+1) Power Distribution System
PM990-5202-200, Rev. 6
4-20
4.7.5 BDT Results Screen
The final screen contains a brief test result message. The
message appears on the second line of the Last BDT display.
Each message is explained below.
N/A – Not Available: No test has been performed.
Passed – Test ran for programmed duration without reaching an “End V” or “End Q” value.
Failed – Test terminated prematurely after reaching an “End V” or “End Q” value before the test duration
expired. This will trigger a “BDT Fail” alarm.
AC Lost – Test terminated due to loss of AC supply. Detected by the AC monitor or by all SMRs being
Off.
Cell V low – A cell in a battery string discharged below a safe level. alarm issued. Available only when
BDM is active. BDT flagged as having failed.
No Control – Test aborted due to loss of control of rectifiers. No alarm issued.
Low Load – Test aborted due to load current being too low to control discharge current. No alarm issued.
SMR Overload – Test aborted due to load current being too high to support controller discharge. No
alarm issued.
User Aborted – Test terminated manually by user from the SCU.
4.7.6 BDT Results Screen, Additional Details
To view additional details about the preceding test, press ENTER while viewing one of the above Last
BDT screens. These sub-menu details appear on the second line of the last BDT screen.
31/05/2012 – States the date of preceding test in a day/month/year format.
Dur 1h18min – Provides the duration of preceding test.
EndV 47.0V – Shows the battery string voltage when test was terminated.
EndQn 380Ah – States the remaining estimated capacity of the battery string at the time the test was
terminated, where “n” is the number of the string.
4.7.7 BDT Disabled
The battery discharge test function is disabled for 2 minutes if any of the following has occurred. If an
automatic test is scheduled during this period, it will be performed at the next opportunity, at the BDT
Time.
•
SCU has recently been powered up.
Last BDT
N/A
