USB Power
In the USB mode, you can edit all the settings even if the protection functions are inactive. The binary inputs
and binary outputs are operational in the USB mode. In the USB mode, the reset of the local flag indicator,
binary output, and LED possible. The pulse output and remote flag output can be operated on USB power
under Maintenance Menu.
Battery
The 7SR46 Argus relay is provided with CR2/3AZ battery. The battery is used to energize the device when
auxiliary voltage or phase current or USB are not available. You can perform actions such as viewing the fault
records, setting change, and resetting the flags with battery power.
The relay can be powered on by the battery only if all other power sources are not available.
In the battery mode, the relay can be energized by pressing the BAT ON/OFF key or if any binary input status is
changed.
In the battery mode:
•
You can edit all the settings even if the protection functions are inactive.
•
The binary inputs and binary outputs are operational.
•
The local flag indicator reset is possible.
•
The pulse output, remote flag output and external trip input cannot be operated in battery mode.
•
If no keys are pressed for 60 s, then the relay goes in to sleep mode automatically.
By default in the battery mode, if the backlight is off, then the battery/relay can be turned on by pressing the
backlight key.
Battery Profile
The battery profile menu provides the overview of the consumption of battery power of the different applica-
tion modules.
Table 6-3 shows the battery profile parameter data and the status of the operations performed on the battery
power.
Table 6-3
Battery Profile Parameters
Battery Profile Parameter Description Unit
Device ON Dur’n
The duration of the device powered on with the battery source
only.
Seconds
Backlit ON Dur’n
The duration of the LCD backlight powered on with the battery
source only.
Seconds
BO Oper’n Count
The number of times the binary outputs operate with the battery
source only.
-
BI Oper’n Count
The number of times the binary inputs operate with the battery
source only.
-
The battery profile parameters data can be cleared with the DATA STORAGE > Clr Battery Data setting
in the HMI.
NOTE
When replacing the battery, clear the battery profile parameters data in the HMI.
6.4.4
6.4.5
In Service Operation
6.4 Power Options
58 Reyrolle, Operating, Manual
C53000-B7040-C103-1, Edition 10.2022