SLUUBT5C November 2018 – June 2021 BQ40Z80
The BQ40Z80 device monitors the internal communication to the AFE hardware and increments the AFE read/write fail counter on any communication error. If the read or write fails exceed a limit within a configurable timeframe, the device disables the pack permanently.
Status | Condition | Action |
---|---|---|
Normal | AFE read/write fail counter = 0 | PFAlert()[AFEC] = 0 |
Alert | AFE read/write fail counter > 0 | PFAlert()[AFEC] = 1 Decrement AFE read/write fail counter by one after each AFEC:Delay Period |
Trip | Read and Write Fail counter ≥ AFEC:Threshold | PFAlert()[AFEC] = 0 PFStatus()[AFEC] = 1 |