Siemens 7SR12 Argus - Figure 1-1 Functional Diagram of 7 SR1101-1_A12-_CA0 Relay; Figure 1-2 Functional Diagram of 7 SR1101-3_A12-_CA0 Relay; Figure 1-3 Functional Diagram of 7 SR1103-1_A

7SR11 & 7SR12 Description Of Operation
©2017 Siemens Protection Devices Limited Chapter 1 Page 11 of 88
7SR1101-1_A12-_CA0
37
(x2)
I(EF)
74
CCS
(x3)
50G
(x2)
51G
(x2)
64H
81H
BL2
74
TCS
(x3)
86
Figure 1-1 Functional Diagram of 7SR1101-1_A12-_CA0 Relay
37
(x2)
I(SEF)
50
SEF
(x4)
51
SEF
(x4)
64H
7SR1101-3_A12-_CA0
74
CCS
(x3)
74
TCS
(x3)
86
Figure 1-2 Functional Diagram of 7SR1101-3_A12-_CA0 Relay
7SR
1103-1
_A12
-_DA
0
46
BC
46
NPS
(x
2
)
37
(x2
)
49
50
BF
IL1
37
(x
2)
49
50
BF
IL2
37
(x
2)
49
50
BF
IL3
60
CTS
I
4
50
(
x2)
50
AFD
(x
2)
50N
(x2)
50
(x2)
50
(x2)
50
AFD
(x2)
50
AFD
(50)
51N
(x2)
50G
(x2
)
51G
(x2)
50
BF
79
NOTE:
The use of some functions
are mutually exclusive
64H
81H
BL2
51c
74
CCS
(x
3)
74
TCS
(x3)
37
86
46
BC
46
NPS
(
x2)
60
CTS
51
(x2)
51
(
x
2)
51
(x2)
51N
(x
2)
81H
BL2
Figure 1-3 Functional Diagram of 7SR1103-1_A_ _-_DA0 Relay