ABB PST - Page 44

44 Low Voltage Products & Systems
AC 1006.9 - 5/03 ABB Inc. • 888-385-1221 • www.abb-control.com
Chapter 5 - Connection
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 13: Holding circuit with external control
voltage
Figure 14: Conventional circuit with external
control voltage
Figure 15: 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
1SFC132053F0001