Morningstar RELAY DRIVER Manuel D'installation, D'utilisation Et D'entretien page 66

The voltage at the Battery connection of the TriStar.
Battery Temperature
The temperature measured by the Remote Temperature Sensor (if
connected to the TriStar). Charge and Diversion modes only.
PWM Duty Cycle
Percent of charge current charging the battery at regulation. 0% to
100%(Bulk)
Sense Voltage
Voltage at the Battery Sense terminals on the TriStar. Charge and
Diversion modes only.
Heatsink Temperature
Temperature of the TriStar heatsink.
PV/Load Voltage
Voltage at the PV/Load terminals on the TriStar
RELAY DRIVER 66 | P a g e