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355
[Supplement]
Supplement
L 1
L 2
L 3
DC/DC
r
t
P
B1
X3
X4
X6
U
V
W
M
RE
X5
N
P
+
±12V
+5V
PS for gate drive
PS for RE
+
Fuse
(F-frame only)
Fuse
(F-frame only)
Fuse
Parameter control
EEPROM
Sequence control
B2
Fan
Front panel
RS485
RS232
Internal Block Diagram of MINAS-A4 Driver
Display
operation
control
Protective
curcuit
Error
detection
Alarm
signal
Pulse train
command
Pusle
output
Analog
velocity
command
Control
input
Control
output
(E and F-frame)
Voltage
detection
Division/
mulitiplication
+
+
–
–
A/D
A/D
16-bit
Position
Speed
Velocity
Torque
Internal
External
Deviation
counter
Internal speed
command
Speed
detection
Division
processing
Position
deviation amp.
Speed
deviation
amp.
Torque
limit
Current
control
PWM
circuit
Encoder signal
processing
limit
Gate drive