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bq40z50-R1 [LEDRCA], LED Flash Alert?

user68921447
Intellectual 360 points

In TRM, it said

If [LEDRCA] = 1 and the BatteryStatus[RCA] change from 0 to 1, the LED display will also flash with LED
Flash Rate according to the CHG Flash Alarm or DSG Flash Alarm setting.

I don't understand why [RCA] is checked for flash LED? What not just check CHG Flash Alarm or DSG Flash Alarm setting?

If [RCA] change from 0 to 1 before SOC<CHG/DSG Flash Alarm setting, it will not flash until SOC<CHG/DSG, it, is it right?

If [RCA] change from 0 to 1 after SOC<CHG/DSG Flash Alarm setting, it will flash right away, is it right?

When will flash stop? [RCA] change from 1 to 0 or  SOC>CHG/DSG Flash Alarm?

  • 0
    TI__Mastermind 34775 points

    Hello,

    We will have someone review your post and respond soon.

  • 0
    TI__Mastermind 34775 points

    Hello,

    Here's my response to your questions below.

    I don't understand why [RCA] is checked for flash LED? What not just check CHG Flash Alarm or DSG Flash Alarm setting?

    [Damian] RCA is the remaining charge capacity alarm, where 1 = RemainingCapacity() < RemainingCapacityAlarm() and 0 = RemainingCapacity() ≥ RemainingCapacityAlarm(). The LED flashing is an indicator for the RemainingCapacity() is below the set RemainingCapacityAlarm() threshold. Once the conditions of  [LEDRCA] = 1 and the BatteryStatus[RCA] change from 0 to 1 are met, the LED will flash at a rate (pulse duty cycle) based on the % RelativeStateOfCharge() alarm threshold set for CHG Flash Alarm or DSG Flash Alarm. The flash rate used will be determine by the direction of the Current() (battery CHG or DSG).

    If [RCA] change from 0 to 1 before SOC<CHG/DSG Flash Alarm setting, it will not flash until SOC<CHG/DSG, it, is it right? 

    [Damian] No, LED flashing or not is based on [RCA] and [LEDRCA] and the flashing rate is based on CHG Flash Alarm or DSG Flash Alarm setting. Hopefully the user would set RelativeStateOfCharge() alarm threshold set for CHG Flash Alarm or DSG Flash Alarm to match RemainingCapacityAlarm().

    If [RCA] change from 0 to 1 after SOC<CHG/DSG Flash Alarm setting, it will flash right away, is it right?

    [Damian] Yes, LED flashing or not is based on [RCA] and [LEDRCA] and the flashing rate is based on CHG Flash Alarm or DSG Flash Alarm setting. Hopefully the user would set RelativeStateOfCharge() alarm threshold set for CHG Flash Alarm or DSG Flash Alarm to match RemainingCapacityAlarm().

    When will flash stop? [RCA] change from 1 to 0 or  SOC>CHG/DSG Flash Alarm?

    [Damian]  

    [RCA]  [LEDRCA]  Flashing LED

    0           0                  No

    0           1                  No

    1           0                  No

    1          1                  Yes