Figure 1.5-1 Functional Diagram Of 7Sr224 Relay Showing Possible External Connections - Siemens 7SR224 Technical Manual

Figure 1.5-1 Functional Diagram of 7SR224 Relay Showing Possible External Connections

©2010 Siemens Protection Devices Limited
37
49
(x2)
I
L1
(I )
A
37
49
(x2)
I
L2
(I )
B
37
49
(x2)
I
L3
(I )
C
46
46
NPS
BC
(x2)
64
H
I
4
(I /I )
G SEF
NOTE: The use of some
functions are mutually exclusive
27
V 27S
L1
59
(V ) 59S
A
(x4)
27
V 27S
L2
59
(V ) 59S
B
(x4)
27
V 27S
L3
59
(V ) 59S
C
(x4)
V 27
4
(V ) 59
X
7SR224 Argus Description of Operation
67/ 67/ 81
50
51V 50 51 HBL
BF
(x4) (x4) 2
67/ 67/ 81
50
51V 50 51 HBL
BF
(x4) (x4) 2
67/ 67/ 81
50
51V 50 51 HBL
BF
(x4) (x4) 2
60 60
CTS VTS
67/ 67/ 67/ 67/
50G 51G 50S 51S
(x4) (x4) (x4) (x4)
Note:
Example shows
Voltage Config =
47 81 Van, Vbn, Vcn
(x2) (x4)
74
59N Batt
TCS
Test
(x2)
(x3)
Cap.
79
Test
Chapter 1 Page 8 of 70
7SR224
25