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CHAPTER 2: INSTALLATION
Typical wiring diagrams
A B C
Breaker Aux Contacts
PERSONAL
COMPUTER
USB
4 WIRE USB
4 WIRE ETHERNET
COM
RS485
350 FEEDER PROTECTION SYSTEM – INSTRUCTION MANUAL
Figure 2-26: Typical wiring diagram - Drawout
FEEDER Cts
1A OR 5A
CO
E5 D5 E6 D6 E7 D7 E8 D8
I
I
I
I
I
I
I
I
A
A
B
B
C
C
G
G
CURRE T I PUTS
52a
52a (C1 #1)
C1
C2
52b (C1 #2)
350
52b
C3
INPUT 3
Feeder Protection System
C4
INPUT 4
C5
INPUT 5
C6
INPUT 6
C7
INPUT 7
C8
INPUT 8
C9
INPUT 9
C10
INPUT 10
C11
COMMON
C12
CHASSIS GND
Front Panel
USB
TYPE B
Rear Panel
ETHERNET
RJ45
mTRJ
10/100 BASE-T
100 BASE-FX
OPTIONAL
GROUND
BUS
SEE COMMUNICATIONS WIRING
IN INSTRUCTION MANUAL
DIRECTION OF POWER FLOW FOR POSITIVE WATTS
POSITIVE DIRECTION OF LAGGING VARs
BUS Vts
WYE VT
ECTIO
CO
ECT AUX_VT
AS REQUIRED
E9 D9 E10D10E11D11E12D12
V
V
V
V
V
V
V
V
A
A
B
B
C
C
X
X
VOLTAGE I PUTS
1 TRIP
2 CLOSE
3 AUXILIARY
4 AUXILIARY
5 AUXILIARY
6 AUXILIARY
7 CRITICAL
FAILURE
COMMUNICATIONS
RELAY
IRIG-B
RS485
-
-
+
+
COM
F2
F1
F5 F4 F3
F6
ELECTRICAL INSTALLATION
FEEDER
52
+
CONTROL
-
POWER
B1 A1
B2
-
+
chassis
gnd
POWER SUPPLY
GND STUD
+
A2
TRIP
CIRCUIT
TRIP
B3
COIL
52a
V
A3
+
B4
CLOSE
CIRCUIT
CLOSE
A4
COIL
52b
V
B5
A5
B6
A6
B7
A7
B8
A8
B9
A9
B10
OUTPUT CONTACTS
A10
SHOWN WITH NO
B11
CONTROL POWER
A11
B12
A12
OPE DELTA VT CO
E9 D9 E10D10 E11 D11
GROUND
BUS
ECTIO
898728.CDR
2–23
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