Owners Manual Owner manual
Applications
900-0150-01-00 Rev A 77
Definitions
The following is a list of initials, terms, and definitions used with this product.
Table 13 Terms and Definitions
Term Definition
AC Alternating Current; refers to voltage produced by the inverter, utility grid, or generator
AGS Advanced Generator Start
AUX Inverter’s 12-volt auxiliary output
AXS Card Optional Modbus Ethernet accessory for the FLEXmax Extreme
CE Conformité Européenne; French for “European Conformity”; a marking on OutBack products
indicating that they meet European Union requirements
DC Direct Current; refers to voltage produced by the batteries or renewable source
Derate Automatic reduction of the FLEXmax Extreme rated output of 80 Adc; usually performed for
temperature reasons
DVM Digital Voltmeter
EMI Electromagnetic Interference; a detrimental condition that affects electronic circuits
EPO Emergency Power Off; a manual switch intended to disconnect power on short notice
FET Field Effect Transistor; a reference to a temperature reading by the FLEXmax Extreme
FN-DC FLEXnet DC; the OutBack Battery Monitor
GFDI Ground Fault Detector/Interruptor; shuts down the system if a ground fault event occurs
Grid-interactive,
grid-tie
Utility grid power is available for use and the system is capable of returning (selling) electricity
back to the utility grid
Ground Fault An unsafe condition of current flow to ground, resulting from accidental contact between an
electrical source and ground
I
mp
Maximum-power current; the current harvested by MPPT when operating at the V
mp
I
sc
Short-circuit current; the fully-loaded current displayed by a PV module or array
LED Light-Emitting Diode; refers to indicators used by the FLEXmax Extreme and the system display
MPP, MPPT Maximum Power Point, Maximum Power Point Tracking
Negative-Ground A wiring system that bonds the negative conductor to ground for safety
Network 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