External control voltage
The softstarter can, if required, also be used with an external 24 V DC source from a PLC or similar.
Connect the cables according to Figure 13 or Figure 14 depending on which type of control method is
used.
Figure 18: Tightening torques and cable sizes
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
Figure 14: Conventional circuit with external control voltage (maintained start signal is required)
Figure 13: Holding circuit with external control voltage (momentary start signal required)
Chapter 5
Connection
5:2.2.4 Programmable inputs, terminals 6 and 7
The softstarter has two programmable inputs.
In0: default, reset event
In1: default, reset event
See Chapter 7 “ Settings and configuration” for programming.
Connect the cables according to Figure 16 or Figure 17 depending on whether the internal or external
source is being used.
Information!
See next page for multiple motor (sequence) starting
1
100-250V
Stop
Start
In0
In1
Vc
50/60Hz
2 3
4 5
6
7
8
9
10
Vp
Vp
11
12
Vn
Figure 15: Terminals 6, 7
Figure 16: Internal control voltage
Figure 17: External control voltage
Low Voltage Products & Systems
5.5
ABB nc. • 888-385-1221 • www.abb-control.com
1SXU 132 021 M0201
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