Reversing The Direction Of Rotation With Msc-R - Eaton DS7 Manual

7 Connection examples
7.1 Size 1 (4 – 12 A)

7.1.6 Reversing the direction of rotation with MSC-R

124
DS7 Soft starter 09/16 MN03901001Z-EN www.eaton.com
L1
L2
L3
PE
Q1
I > I > I >
Q11
F3
Q21
M
M1
3 ~
Figure 88: Rotation direction reversal without ramp
L (+)
③
1.53
1.54
21
0
22
REV II
FWD I
13 14
15 25
K2T
16 26
53 53
Q12
Q11
54 54
Q12 Q11
Q11 Q12
A2
N (-)
Figure 89: Control section bidirectional operation with ramp
Q12
- A2 + U
s
(+) U
24 V AC/DC,
s
120/230 V AC
(–) U
s
①
63 63
Q11 Q12
64 64
②
A1 B1 +A1
K2T Q21
A2
t > t-Stop
Q1 = Cable protection
Q11 = mains contactor FWD
(clockwise rotating field)
Q12 = mains contactor REV
(anticlockwise rotating field)
MSC-R... = reversing motor starter
① Assembled control station
② Reversing starter
③ Standard auxiliary contact
+U
S
-A2