SunSaver MPPT MODBUS Document

TriStar MPPT MODBUS Document v10
http://www.morningstarcorp.com 16/26 05 Dec 2011
Reports daily flags, as defined below, that occurred today.
Bit
Flag
0 (LSB)
Reset detected
1
Equalize triggered
2
Entered float
3
an alarm occurred
4
a fault occurred
Pout_max_daily
[71][0x0046] (bit-field). Maximum power out today.
Reports maximum power delivered to the battery today.
Tb_min_daily
[72][0x0047] (bit-field). Today’s minimum battery temperature.
Reports the lowest battery temperature that occurred today.
Tb_max_daily
[73][0x0048] (bit-field). Today’s maximum battery temperature.
Reports the highest battery temperature that occurred today.
fault_daily
[74][0x0049] (bit-field). Today’s self-diagnostic faults (sticky).
Reports faults identified by self diagnostics that occurred today. Each bit corresponds to a specific fault.
If a bit is set, that fault occurred at least once today. Bit order is identical to the fault bitfield.
alarm_HI_Daily / alarm_LO_Daily
[76,77][0x004B, 0x004C] (bitfield). Today’s controller self-diagnostics alarms (sticky).
Reports alarms identified by self diagnostics that occurred today. Each bit corresponds to a specific
alarm. If a bit is set, that alarm occurred at least once today. Bit order is identical to the
alarm_hi/alarm_lo bitfield.
time_ab_daily
[78][0x004D] (s). Cumulative time in Absorption today.
Reports the cumulative number of seconds the battery has been in the Absorption charge stage today.
Counter resets at night.