Siemens Reyrolle 7SR45 Argus Device Manual page 69

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[dw_7SR45 sensitivity (pulse outputs), 3, en_US]
Figure 3-11
NOTE
i
i
The multiphase faults results to a shorter operating time.
Under the low battery or battery drained condition, the boot up time is increased by maximum of 25 ms.
Operating time will be delayed by 200 ms when both the main battery and RTC battery are drained or
removed.
Application and Settings Notes
Gn 50LC/SOTF
Default setting: Disabled
This setting is used to allow the element to be switched on and off if it is not required. A separate setting is
provided for each element. This setting can be used to select the number of elements required.
Parameter State
Disabled
Enabled
Gn 50LC Setting
Default setting = 2 ⋅ I
The setting of the parameter threshold depends on the respective application.
Gn 50LC Inrush Action
Default setting = Off
High levels of inrush currents into reactive components, for example transformers; when they are switched in
can result in operation of overcurrent elements. The inrush current can be detected by a high percentage of
Reyrolle, 7SR45, Device Manual
C53000-G7040-C101-2, Edition 09.2020
Operating Time for Switch onto Fault with Pulse Output
Description
The element is inactive.
The element is active.
rated
3.8 Switch onto Fault Protection (50LC/SOTF)
Functions
69

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