Function Groups And Function Elements - Siemens 7SR51 Device Manual

2.3

Function Groups and Function Elements

The default overcurrent application template includes functions that are typically used in this type of device.
The appropriate analogue inputs are provided in the 7SR5110 overcurrent/earth fault relay and 7SR5111 direc-
tional overcurrent/earth fault relays.
Figure 2-4 and Figure 2-5
Functions that do not use analogue input measurands are also provided, these include:
•
52 CB and plant control
•
74 Trip/close circuit supervision
•
79 Autoreclose functionality
•
User logic schemes
Example – 7SR5110
The 7SR5110 overcurrent application templates are summarized in
[dw_7SR5_7SR510ApplicationTemplate, 1, en_US]
Figure 2-4
Example – 7SR5111
The 7SR5111 directional overcurrent application templates are summarized in
Reyrolle 7SR5, Overcurrent Protection Device, Device Manual
C53000-G7040-C014-1, Edition 11.2019
below provide a summary of the functions available using the analogue inputs.
Function Template for 7SR5110 Devices
Basic Structure of the Device Functionality

2.3 Function Groups and Function Elements

Figure 2-4.
Figure 2-5.
31