Figure 1-1-1 Functional Diagram Of 7Sr1702/3 Relay; Figure 1-1-2 Functional Diagram Of 7Sr1705/6 Relay - Siemens 7SR17 Rho Manual

3
37
(x2)
3
27/
59
(x2)
1
M
©2014 Siemens Protection Devices Limited
Figure 1-1-1 Functional Diagram of 7SR1702/3 Relay
46 46Ph 48/
14
(x2) Rev 66
47 81
81B
(x2) (x2)
50G 87 32S
BF REF (x2)
49 74T
RTD CCS
I/F (x3)
NOTE: The use of functionality is dependent on external connections
to the relay i.e. some functions are mutually exclusive
Figure 1-1-2 Functional Diagram of 7SR1705/6 Relay
Chapter 1) 7SR17 Rho Description Of Operation
67/
50 50
49 50
BCL BF
(x2)
67/ 67/
50G 51G
(x2) (x2)
67/ 67/ 67/ 32/
50N 51 51N 55
(x2) (x2) (x2) (x2)
7SR1705/6
60 60
CTS VTS
Page 11 of 78