Siemens Argus 7SR21 Technical Manual page 589

3.6 Trip Circuit Supervision. (74TCS)
I
L1
(I )
A
I
L2
(I )
B
I
L3
(I )
C
I
4
(I )
G
I
5
(I )
SEF
V
L1
(V )
A
V
L2
(V )
B
V
L3
(V )
C
V
4
(V )
X
Voltage Inputs:
Current Inputs:
Disable:
Map Pickup LED:
The TCS-n Delay can be initiated by applying an inversion to the relevant status input and measured by
monitoring of the alarm output.
TCS-n Delay setting
© 2013 Siemens Protection Devices Limited
37 50
49
(x2) BF
37 50
49
(x2) BF
37 50
49
(x2) BF
46
46 60
NPS
BC CTS
(x2)
50
37
BF
50
37
BF
NOTE: The use of some
functions are mutually exclusive
27
59
(x4)
27
47
59
(x2)
(x4)
27
59
(x4)
27
59
Optional
79
25
Figure 3.6-1
n/a
n/a
74TCS-n - Self Reset
7SR210 & 7SR220 Commissioning & Maintenance Guide
7SR22
60 67/ 67/
50
CTS- 51V 50 51
AFD
I (x4) (x4)
67/ 67/
60
50
51V 50 51
CTS-
AFD
(x4) (x4)
I
60 67/ 67/
50
51V 50 51
CTS-
AFD
(x4) (x4)
I
67/ 67/
60
51c 50N 51N
VTS
(x4) (x4)
67/ 67/
50G 51G
(x4) (x4)
67/ 67/
64
50S 51S
H
(x4) (x4)
81
(x6)
59N 74
(x2) TCS
Trip Circuit Supervision
81
51c HBL
2
81
51c HBL
2
81
51c HBL
2
81
HBL
2N
37G
(x2)
37S
(x2)
Measured
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