Panasonic Minas A4 Series - Block Diagram of Driver

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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