Siemens siprotec 7SJ63 - Setting for Trip Circuit Monitor; Information

Functions
6-1597SJ63 Manual
C53000-G1140-C120-1
Example:
The closest standard value of 39 kΩ is selected; the power is:
6.17.6.1 Setting for Trip Circuit Monitor
6.17.6.2 Information
I
BI (HIGH)
1.8 mA (from SIPROTEC
®
7SJ63)
U
BI min
19 V for delivery setting for nominal voltage 24/48/60 V (from SIPROTEC
®
7SJ63)
88 V or delivery setting for nominal voltage 110/125/220/250 V) (from SIPROTEC
®
7SJ63)
V
ST
110 V (from system / release circuit)
R
CBTC
500 Ω (from system / release circuit)
V
CBTC (LOW)
2 V (from system / release circuit)
R
max
110 V 19 V
–
1.8 mA
----------------------------------


500 Ω
–
50.1 kΩ
==
R
min
500 Ω
110 V 2 V
–
2V
------------------------------


⋅ 27 kΩ
==
R
R
max
R
min
+
2
--------------------------------
38.6 kΩ
==
P
R
110 V
39 kΩ 0.5 kΩ
+
----------------------------------------


2
39 kΩ⋅
=
P
R
0.3 W≥
Addr. LCD-Text Setting Options Default Setting Comments
8201 FCT 74TC ON
OFF
ON Status of Trip Circuit Monitoring
F# LCD-Text Comments
6861 74TC OFF 74TC Trip circuit supervision OFF
6862 74TC BLOCKED 74TC Trip circuit supervision is BLOCKED
6863 74TC ACTIVE 74TC Trip circuit supervision ACTIVE
6864 74TC ProgFail 74TC blocked Bin. input is not set
6865 FAIL: Trip cir. 74TC Failure Trip Circuit
6851 >BLOCK 74TC >BLOCK 74TC
6852 >74TC trip rel. >74TC Trip circuit superv.: trip contact
6853 >74TC brk rel. >74TC Trip circuit superv.: breaker aux. contact
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