ABB PST72 Installation And Commissioning Manual

Connection
Chapter 5
48
1SFC132003M0201
5:2.2.3 Start and Stop, terminals 4, 5, 8, 9, 10, 11
Internal control voltage
The softstarter has a built-in holding circuit which does not
require any external power source for start and stop, see
Figure 11.
A conventional circuit with auxiliary relay is also possible, see
Figure 12.
Figure 13: Tightening torques and cable dimensions (1 mm=0.0394 in)
1
100-250V
Stop
Star
t
In0
In1
Vc
50/60
Hz
2
3
4
5
6
7
8
9
10
Vp
Vp
11
12
Vn
1SFC132054F0001
F
igure 10: Terminals 4, 5, 8, 9, 10, 11
1234567891011121314151617181920
1
00
-2
50V
L
N
Sto
p
S
t
a
r
t
In1
V
c
Vn
V
p
V
p
K4
In
0
50/60
H
z
K
5
K
6
L
N
1SFC132056F0001
24 V
Figure 12: Conventional circuit (maintained start signal
required)
1234567891011121314151617181920
1
00
-2
50V
L
N
Sto
p
S
t
a
r
t
In1
V
c
24 V
Vn
V
p
V
p
K4
In
0
50/60
H
z
K
5
K
6
1SFC132055F0001
F
igure 11: Holding circuit (pulse for start is
enough)
START
STOP
SPARE
START
STOP
SPARE
M3

1. . . . . . . . . . . . . . . . . . . . . . . . 20
0,5 Nm - 4,3 lb.in
3,5x0,6
0,14 ... 2,5 mm
AWG 12 ... 22
0,14 ... 2,5 mm
2
2
1SFC132053F0001

ABB PST72 Specifications

General

Brand	ABB
Model	PST72
Category	Controller
Language	English