Operation
GUPS 2400A
–107 Operation Manual
3-15
3.9.6.4
Status Word 2 Status Bit Condition Definitions
The definitions of the conditions and usage of the bits in Status Word 2 are defined below.
Running on Battery (Status Word 2, Bit 0)
The Running on Battery status bit indicates that the unit is operating on batteries. A binary
value of 0 indicates that the unit is running on AC input, while a binary value of 1 indicates that
the unit is running on battery.
Status Word 2, Bit 1
Reserved.
Inverter Keypress (Status Word 2, Bit 2)
The Inverter Keypress status bit indicates that a front panel keypress has occurred. A binary
value of 0 indicates that no key presses are pending, while a binary value of 1 indicates that a
keypress has occurred.
System Shutdown (Status Word 2, Bit 3)
The System Shutdown status bit indicates that the system has been commanded to shut down,
and a system shutdown is in effect. A binary value of 0 indicates that the system is operating
(normal operating mode), while a binary value of 1 indicates that the unit is in system shutdown
mode.
Status Word 2, Bit 4
Reserved.
Running on AC Line (Status Word 2, Bit 5)
The Running on Line status bit indicates that the unit is operating on the AC input. A binary
value of 0 indicates that the unit is running on battery input, while a binary value of 1 indicates
that the unit is running on the AC input.
150% Overload Sense (Status Word 2, Bit 6)
The 150% Current Overload bit indicates that the unit has sensed a current overload of greater
than 150% of the specified output current. A binary value of 0 indicates normal operation, while
a binary value of 1 indicates that the output current is greater than 150% of the specified
current output capability of the unit.
Float Timer Time-out (Status Word 2, Bit 7)
The Float Timer Time-out status bit indicates the condition of the units float timer function.
A binary value of 0 indicates that the timer has not timed out, while a binary value of 1 indicates
that the unit‘s float timer has timed-out.
Wait to Equalize (Status Word 2, Bit 8)
The Wait to Equalize status bit indicates if the unit is waiting to equalize the batteries. A binary
value of 0 indicates that the unit has no equalization pending, while a binary value of 1 indicates
that the unit is waiting to equalize the batteries.
