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Internal Block Diagram of MINAS-A4 Driver
L 1
L 2
L 3
DC/DC
L1C
L2C
RB1
RB3
X3
X4
X6
U
V
W
M
RE
X5
N
P
+
±12V
+5V
PS for gate drive
Gate drive
PS for RE
Front panel
Alarm
signal
RS485
RS232
Pulse train
command
Pusle
output
Analog
velocity
command
Control
input
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.
Display
operation
control
Parameter control
Protective
curcuit
Error
detection
Voltage
detection
EEPROM
Sequence control
Speed
deviation
amp.
Torque
limit
Current
control
PWM
circuit
Encoder signal
processing
limit
Control
output
RB2
DL1
DL2
(A, B, C and D-frame)
Fuse
Fan
(D-frame only)
Block Diagram of Driver