LNS Alpha ST320 S2 - Electrical Components Description

CHAPTER 4: ELECTRICS 4-11
ALPHA ST320 S2
3. ELECTRICAL COMPONENTS
3.1. Servo drive power loop
The servo drive is powered by 3 phases 220V AC through K1 contactor.
3.1.1 K1 contactor
K1 contactor is energized by the emergency stop loop. When
the emergency stop loop is open, the contactor K1 will be de-
energized and interrupt the power supply to the servo drive.
3.1.2. Servo amplifier
T
he Servo Amplifier controls the movement of the Servo Motor.
NOTE: Never change the parameter settings of the Servo
Amplifier. They are factory pre-set.
Designation Description
A
Power poles input
B
Auxiliary contacts
C
Auxiliary contacts (double CE
version)
D
Status indicator
E
Power poles output
Designation Description
A
I/O connector
B
Encoder connector
C
Serial connector
D
2 phases 220 V input for controller
E
3 phases 220 V input
F
3 phases 220 V output for motor
G
Protective earth
H
Display
A
C
D
B
B
E
H
D
E
F
G
A
B
C