Servomech S.p.A.
02.02-05-08-10-11-12.E - Rev. 00 Date (M/Y) 12/19
16
6.6.2
AC 1-phase asynchronous motor with balanced winding
Connect the motor to the power unit of the plant or to the driver according to the following wiring diagrams,
related to the motor type:
(a)
AC 1-phase motor without brake
(b)
AC 1-phase motor with DC brake separately powered AC 1-phase with rectifier
In case of brake motor:
the brake is NORMALLY CLOSED (NEGATIVE action). When the power supply is switched off, the brake
is engaged. The brake opens only when power is supplied;
the brake is wired separately, make sure that the correct voltage is used;
Figure 6.7 – Electric wiring diagrams to power supply of AC 1-ph motor
Figure 6.8 – Electric wiring diagrams to motor terminal board of AC 1-ph motor
K1, K2, K3 = contactor
M = motor
Br = brake