Eaton DS7 Series, Manual

Page: 137 / 240

7 Connection examples
7.3 Size 3 and 4 (41 – 200 A)
DS7 Soft starter 09/16 MN03901001Z-EN www.eaton.com
133
7.3.2 Connection with soft start ramp
Figure 102: Flow diagram – with soft stop
Start/stop operation
Q1 = Cable and motor
protection
Start enable (+A1)
uncontrolled stop of the
motor on deactivation
F3 = optional semiconductor
fuse for type of coordination
2
S3: Start/stop
Figure 101: Standard connection with Soft stop
M
3 ~
RUN
- U
s
+ U
s
1L1 3L2 5L3
PE
PE
TOR
- A2 EN + A1 13 14 24 23
2T1 4T2 6T3
L1
L2
L3
PE
Q1
Q1
S3
Q21
F3
M1
I > I > I >
(+) U
s
24 V AC/DC, 120/230 V AC
(–) U
s
t - Start
U
Start
t - Stop
TOR
(13/14)
S3
(Start/Stop)
U
T1, T2, T3
RUN
(23/24)
U
L1, L2, L3
Q1, EN
U
s