28
Quantum MP User Guide
www.emersonct.com Issue: A4
4.1 Electrical connections/ Power connections
4.1.1 AC and DC connections
To understand the function of the different power connections, refer to Figure 4-1 and Figure 4-2 for size 1 drives and Figure 4-3 and Figure 4-4 for
the size 2 drives.
Figure 4-1 Power connections for 480V drive, Quantum MP size 1
X1 X2 E1 E3
A B C D E F G H I J
F3
+ -
+ -
PL1
BC
RED
BLACK
BLACK
GRAY
ORANGE
RED
PURPLE
BLUE
WHITE
YELLOW
1
2
3
4
5
7
8
9
Contactor Control Signal
MC
RED
BLACK
Brake
Contactor
Motor
Contactor
Contactor Control
Circuitry
MP18
MP19
Contactor Power
Supply
30 V
120 V
2
Quantum MP Size 1
3
480 VAC connections
shown. Configure per
Table 1.
TABLE 1 - T1 TRANSFORMER CONNECTIONS BY SUPPLY VOLTAGE
TRANSFORMER
SUPPLY VOLTAGE - L1/L3 50/60 Hz
LEAD COLOR
PIN
208V
240V
380V
416V
480V
RED
1
B
B
B
B
B
YELLOW
2
F
F
D
D
D
ORANGE
3
A
A
E
C
C
GRAY
4
E
E
C
E
E
BLACK
5
G
G
G
G
G
WHITE
7
J
J
J
J
J
BLUE
8
H
I
H
H
I
PURPLE
9
I
H
I
I
H
TERMINAL
3
1
NOTES:
See Table 2 for values.
Quantum MP control power fuse F3 - All Models:
CT P/N = 212011-05
Cooper-Bussmann P/N FNQ-R-1/2
Ferraz-Shawmut P/N ATQR1/2
See Table 1 for proper connection.
Motor Field - 8A max. Connection shown is for 300 VDC Field. For 150 VDC -
Remove jumper from F2 to F3 and connect F1 to F3 and F2 to F4
Enable Input must be pulled high (+24V) as shown for drive to enter Ready "rdy"
state. Otherwise, drive display will show "inh" (Inhibited).
Designators in brackets [ ] refer to regenerative models only (QMPXXXA4R).
Optional motor thermistor input if not used set parameter 7.15 = 6 (Volt). When
fault occurs, drive display will show the fault.
2
1
3
4
5
7
9
CON 1
