AC Brushless Servo Drive System Manual Ver: 0002
ACa - 16 / 32
Preliminary
2
.6
INTERNAL
OPERA
TION
DIAGRAM
Ballast.
L3
L1
L2
CURRENT
Pin 9, X1
MOTOR
OUTPUT
POWER
INPUT
Pin 5, X1
Pin 6, X1
VEL
Pin 1, X2
Pin 2, X2
Max.
Speed
Max. Current
Limit
J2 a b c
CURRENT
Pin 7, X1
Pin 4, X1
Acc/Dec
Ramps
PI. Gain
J3
a
b
ENCODER
INPUT
ENCODER
OUTPUT
A
STATUS
DISPLAY
DR.OK
Pin 1
Pin 2
Pin 3
-10V
+10V
Pin 6, X2
Pin 7, X2
WARNING
OUTPUT
DRIVE
SPEED
Pin 3, X2
Offset
RTV1
RIT
RAPT
J4
a
b
c
A
Pin 5, X2
Pin 4, X2
Control
de PWM
COMMON
COMMON
RAD1
CAD1
RAP1
CAI1
RAJFV
VEL
VELOCITY
Pin 8, X1
Pin 5, X2
B3-B0
RTV1
Protections:
Feedback Error
Drive Overtemperature
Motor Overload
Drive Overcurrent
Drive Overvoltage
Undervoltage
Balast overload
Internal Fault
Power Supply Fault
X1
W
U
V
L+ Ri Re
Pin 10, X1
Rectifer
Power
stage.
PWM
Internal
supply
Power-down
detection
Bus
Voltage
Ramp
generator
Speed PI
Overspeed
Control
Bus
Voltage
Logic circuits for
diagnosis & control.
Current
PI
Frequency / Voltage
