Service manual

Motor and motor control

X312

6671

X311: Voltage supply

Input voltage, single phase or rectiﬁed three-phase

min: 200V-15%

max: 240V+10%

X312: AC supply to motor and input from the

motor thermal protector

The motor is fed with alternating current with va-

rying frequency that is proportional to the motor

speed.

EX618-EX630

Card No. Function

X 312:1 AC supply to motor, phase 1

X 312:2 AC supply to motor, phase 2

X 312:3 AC supply to motor, phase 3

EX645-EX677

Card No. Function

X 312:1,2 AC supply to motor, phase 1

X 312:3,4 AC supply to motor, phase 2

X 312:5,6 AC supply to motor, phase 3