ABB SPAC 531 C User Manual And Technical Description page 36

Example 5.
Feeder terminal
531 C3 protecting
the incoming feeder
cubicle and the
busbar system.
36
1) Blocking signal to overcurrent protection of power transformer HV side
2) Blocking signal from overcurrent protection of outgoing feeders
Fig. 16. Feeder terminal SPAC 531 C3 protecting the incoming feeder cubicle and the busbar
system.
L1 L2 L3
X0/1
IL1
X0/2
5A
X0/3 1A
X0/4
IL2
X0/5 5A
X0/6 1A
X0/7 IL3
X0/8
5A
X0/9
1A
X0/25 Io
X0/26
5A
X0/27
1A
Uo
X0/28
X0/29 100V
X0/30 110V
X0/13 U12
X0/14
100V
X0/15
110V
U23
X0/16
X0/17
100V
X0/18
110V
U31
X0/19
X0/20
100V
X0/21
110V
INPUT8
X3/7
+
INPUT9
X3/8
+
X3/6 INPUT10
(ARINH)
X4/7
+
INPUT11
(E)
X4/8
+
X4/6
INPUT12
X3/10
+
X3/9
INPUT13
X4/10
+
X4/9
INPUT14
X5/10
+
X5/9
INPUT1/O
X3/2
+
INPUT1/I
X3/3
+
INPUT2/O
X3/4
+
INPUT2/I
X3/5
+
X3/1
INPUT3/O
X4/2
+
INPUT3/I
X4/3
+
INPUT4/O
X4/4
+
INPUT4/I
X4/5
+
X4/1
INPUT5/O
X5/2
+
INPUT5/I
X5/3
+
INPUT6/O
X5/4
+
INPUT6/I
X5/5
+
X5/1
INPUT7/O
X5/7
+
INPUT7/I
X5/8
+
X5/6
BACTRL
X1/12
+
X1/11
BS1
X2/12
+
2)
X2/11
BS2
X2/10
+
X6/7
X6/8
X6/9
X6/10
+
(
-
(
+ -
U10 X1/4
A
X1/3
TRIP
B
X1/7
SIGNAL 1 X1/6
U1
X2/1
C
X2/3
3I>
X2/2
SIGNAL 2
3I>>
X2/4
D
X2/6
X2/5
SIGNAL 3
U2
X2/7
E
X2/9
SIGNAL 4 X2/8
U11
X1/8
F
X1/10
IRF
X1/9
X3/11
U3
X3/12
OPEN 1
X3/13
X3/14
U4
CLOSE 1
O <-> I
X3/15
O
OPEN 2 X3/16
I
O
X3/17
I
X3/18
CLOSE 2
O
I
O
X4/11
I
X4/12
OPEN 3
O
I
X4/13
X4/14
CLOSE 3
X4/15
X4/16
OPEN 4
X4/17
X4/18
CLOSE 4
X5/11
X5/12
OPEN 5
X5/13
X5/14
CLOSE 5
X5/15
X5/16
OPEN 6
X5/17
CLOSE 6
X5/18
X6/1
X6/2
SIGNAL 5
X6/3
X6/4
SIGNAL 6
SERIAL
BUS
P
U6,
U7,
Q
U8,
SPAC 531 C3
U5
U9
1)
SPA-ZC 17
Rx
Tx
Ι
O
O
I
II