Siemens 7SR51 - 4.2 Function Groups and Function Elements

Function Groups and Function Elements
The default overcurrent function template includes functionality that is typically used in this type of device.
The appropriate analogue inputs are provided in the 7SR5110 overcurrent/earth fault devices and 7SR5111
directional overcurrent/earth fault devices.
Figure 4-1 and Figure 4-2 provide a summary of the functions available and the associated analogue inputs.
Additional functionality that is not dependent on analogue input quantities common to all 7SR511 devices
includes:
•
CB and plant control
•
Trip/close circuit supervision
•
Autoreclose functionality
•
User logic schemes
Example – 7SR5110
The 7SR5110 overcurrent function templates are summarized in Figure 4-1.
[dw_7SR5_7SR510ApplicationTemplate, 1, en_US]
Figure 4-1
Function Template for 7SR5110 Devices
Example – 7SR5111
The 7SR5111 directional overcurrent function templates are summarized in Figure 4-2.
4.2
7SR51 Function Templates
4.2 Function Groups and Function Elements
Reyrolle 7SR5, Overcurrent Protection Device, Device Manual 137
C53000-G7040-C014-1, Edition 11.2019