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ELECTRICAL INSTALLATION
C
A
A
B
C
B
Breaker Aux Contacts
USB
4 WIRE USB
4 WIRE ETHERNET
896703A2.CDR
2–14
Figure 2-16: Typical Wiring Diagram - Input/Output Option "R"
WYE VT
CONNECTION
E9 D9 E10D10E11D11
V
V
V
V
V
V
A
A
B
B
C
C
VOLTAGE INPUTS
52a
C1
52a
52b
C2
52b
339
C3
INPUT 3
Motor Protection System
C4
INPUT 4
H
C5
INPUT 5
C6
INPUT 6
L
C7
INPUT 7
C8
INPUT 8
C9
INPUT 9
C10
INPUT 10
C11
COMMON
C12
CHASSIS GND
+
DC
Front Panel
USB
TYPE B
Rear Panel
ETHERNET
RJ45
MTRJ
10/100 BASE-T 100 BASE-FX
OPTIONAL
OPEN DELTA VT CONNECTION
E9 D9 E10D10 E11 D11
E5 D5 E6 D6 E7 D7 E8 D8
E12 D12
1A/5A
COM
1A/5A
COM
1A/5A
COM
1A/5A
COM
50:0.025
COM
PHASE A PHASE B PHASE C GROUND
SENS GROUND
CURRENT INPUTS
1 TRIP
2 CLOSE
3 START
INHIBIT
4 CRITICAL
FAILURE
RTD 1
RTD 2
RTD 3
RETURN
SHIELD
COMMUNICATIONS
RS485 IRIG-B
-
-
+
+
F6
F5 F4 F3
F2 F1
1 TRIP
2 ALARM
3 AUXILIARY
4 CRITICAL
FAILURE
RTD 1
RTD 2
RTD 3
RETURN
SHIELD
339 MOTOR PROTECTION SYSTEM – INSTRUCTION MANUAL
CHAPTER 2: INSTALLATION
MOTOR
B1 A1
B2
-
+
chassis
gnd
POWER SUPPLY
GND STUD
BREAKER CONTROL CIRCUIT
A2
STOP
52a
A3
B3
52b
A4
START
B4
B5
A5
B6
A6
B7
SELF TEST ANNUNCIATOR
A7
HOT
B8
COMP
A8
HOT
B9
COMP
A9
B10
HOT
COMP
A10
B11
A11
USE SHIELDED WIRE
CONTACTOR CONTROL CIRCUIT
A2
START
STOP
CONTACTOR
B3
COIL
A3
CC
B4
GENERAL ALARM
A4
B5
A5
B6
A6
SELF TEST ANNUNCIATOR
B7
A7
HOT
B8
COMP
A8
B9
HOT
COMP
A9
B10
HOT
COMP
A10
B11
A11
USE SHIELDED WIRE
CONTROL
POWER
+
TRIP
COIL
CLOSE
COIL
CONTROL
POWER
+
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