Applications
72 900-0209-01-00 Rev A
Table 15 Terms and Definitions
Term Definition
Network A set of OutBack devices which communicate on a bus established by the HUB
Communications Manager
Positive-Ground A wiring system that bonds the positive conductor to ground for safety
PWM Pulse-Width Modulation
PV Photovoltaic
Rapid Shutdown A function allowing emergency responders to quickly place the PV system in a de-energized
state; required by NEC 690.12
RTS Remote Temperature Sensor; accessory that measures battery temperature for charging
SD card Secure Digital card; a non-volatile memory card for data storage
“Sleep” mode No PV energy; normal at night
Slope A selectable rate of battery temperature compensation
“Snooze” mode Low light conditions; not enough PV energy for operation
Soft key A key with functions that vary with screen
Sweep Part of the MPPT process; the controller is attempting to locate the V
mp
System display Remote interface (such as the MATE3, MATE3s, or OPTICS RE), used for monitoring,
programming and communicating with the inverter
V
mp
Maximum-power voltage; the voltage sought by MPPT where maximum power is harvested
V
oc
Open-circuit voltage; the unloaded voltage displayed by a PV module or array
Vpc Volts per (battery) cell
“Wakeup” mode Controller has detected a voltage change and has left "snooze" mode but has not yet begun
charging; a new sweep is being performed
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