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Siemens 7SR51 - Page 51

Siemens 7SR51
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Parameter: Date
Default Setting:
The current date is used to time tag device events and fault records.
Parameter: Time
Default Setting:
The current time is used to time tag device events and fault records.
If the auxiliary power supply is lost the real time clock is powered from a back up storage capacitor.
Parameter: Master Time Sync Lost Delay
Default Setting: 60 min
A binary output can be operated when loss of the time synchronizing signal has been detected for a
period greater than the setting.
Parameter: Backup Time Source
Default Setting: <None>
Parameter: Backup Time Sync Lost Delay
Default Setting: 60 min
A binary output can be operated when loss of the time synchronizing signal has been detected for a
period greater than the setting.
Parameter: CT 1/2/3 Setting Display
Default Setting: Nom
The user can view current settings in the selected units.
Parameter: CT 4 Setting Display
Default Setting: Nom
The user can view current settings in the selected units.
Parameter: Master Time Source
Default Setting: Ethernet
This setting is used to synchronize the real time clock to a reference source.
Parameter: Clock Sync from BI
Default Setting: <None>
The seconds or minutes will be rounded up or down to the nearest value when the BI is energized. This
input is leading edge triggered.
When set to seconds the milliseconds will be reset to 0 and the time is adjusted to the nearest second.
When set to minutes the milliseconds and seconds will be reset to 0 and the time is adjusted to the
nearest minute.
Device Functionality
3.2 Device Configuration
Reyrolle 7SR5, Overcurrent Protection Device, Device Manual 51
C53000-G7040-C014-1, Edition 11.2019

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