GE MM300 - Wye-Delta Open Transition Starter

2–30 MM300 MOTOR MANAGEMENT SYSTEM – INSTRUCTION MANUAL
STARTER TYPES CHAPTER 2: INSTALLATION
Wye-delta open transition starter
Figure 2-34: Wye-delta open transition starter wiring - IO_C Module
A
B
C
1M
Stator Thermistor
I
A
I
B
I
C
Core
Balance
CT
Dual
Contactor
2M
1S
Inter-
lock
2M
1M1M2M 2M 2M
1S
1S
1S
1M
1S
2M
1S
RS485 Serial Link
Ground at one point
MM300
Low Voltage
Motor
Manager
D2
D1
D8
D7
D6
D5
D4
D3
CT Module
CT2
CT3
G/F
CT1
C1
C2
C3
C4
C5
C6
C7
C8
I/O Module- Type C
C9
C10
C11
C12
C13
C14
Aux VT
IN 1 IN 2 IN 3 IN 4 IN 5 IN 6 Com
Relay 1Relay 2
LN
+
-
Com
+
CPU
-
R
I
Surge G d
Core
Balance
Thermistor
RS485
PSU
N
L
853707A3.cdr
Field Start
Field Stop
GE Multilin
G
n
Gd
n