Nuvation Energy BMS NUVBCP-12S, Руководство по эксплуатации продукта

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Model Block Point Name Address Purpose
802 Fixed BSetOperation 40110 Commands Nuvation Energy BMS to connect/disconnect all
stacks/strings
When configured, the heartbeat controller can be used to update the watchdog timer of Nuvation
Energy BMS on single-stack and multi-stack implementations. If the heartbeat point is not updated
within the watchdog timer period, a fault will be generated on the BMS stack(s) and their
corresponding contactors will be opened. The value written to the heartbeat point must increase in
value and roll over to zero when the 16 bit range limit is reached.
The clearing of alarms of Nuvation Energy BMS is accomplished by writing a value of
1
to the
DERAlarmReset
point. This point is erroneously identified as read-only in the Mesa Draft 3 spreadsheet
referenced earlier. Note that alarm will not be cleared if the alarm condition is still present.
Commanding all stacks/strings of a Nuvation Energy BMS system to connect/disconnect is
accomplished through the
BSetOperation
point. This point accepts the enumerated values for these
connect/disconnect operations. Additional connection logic (such as separate pre-charge circuitry) is
managed automatically by the BMS when it is configured for such an operation.
9.1.4.2. External Nuvation Energy BMS Monitoring Over MESA Interface
An external data logger may want to access a variety of data from the BMS. In general, a data logger
will not actively manage Nuvation Energy BMS; normally, it will not initiate actions such as connecting
a battery stack to the DC voltage bus or clearing faults. A data logger should connect to one of the
read-only Modbus connections (if available) to allow the writable Modbus connection to be available
for separate external control functions. The following table contains the MESA data points exposed by
the BMS that could be collected for logging purposes.
Table 10. MESA Points Read by External Data Logger
Model Block Point Name Address Scale
Factor Purpose
801 Fixed SoC 40081 Yes BMS State of Charge
801 Fixed DERHb 40086 No BMS Heartbeat counter incremented every second
802 Fixed Evt1 40101 No Bit field of all faults/warnings of a BMS
802 Fixed Vol 40105 Yes External DC voltage of the battery system
802 Fixed MaxBatACha 40106 Yes Charge current limit calculated by BMS
802 Fixed MaxBatADischa 40107 Yes Discharge current limit calculated by BMS
802 Fixed BSetOperation 40110 No BMS requested connection state of all stacks/strings
803 Fixed BConStrCt 40118 No Number of stacks/strings with contactor closed
803 Fixed BMaxCellVol 40119 Yes Maximum cell voltage measured
803 Fixed BMaxCellVolLoc 40120 No Module/String location of maximum cell voltage
803 Fixed BMinCellVol 40121 Yes Minimum cell voltage measured
803 Fixed BMinCellVolLoc 40122 No Module/String location of minimum cell voltage
803 Fixed BMaxModTmp 40123 Yes Maximum module temperature
803 Fixed BMaxModTmpLoc 40124 No Module/String location for maximum module
temperature
803 Fixed BMinModTmp 40125 Yes Minimum module temperature
803 Fixed BMaxModTmpLoc 40126 No Module/String location for minimum module
temperature
Nuvation Energy Battery Control Panel - Product Manual
Document ID: NE-PM-005 78 Rev 1.1, 2020-10-14
Curie Update 2