222
L 1
L 2
L 3
DC/DC
L1C
L2C
RB1
RB3
X4
X6
U
V
W

M

RE

N
P
+Gate drive
RS232
+
-
+
+
-
A/D
Position
Speed
detection
Voltage
detection
Speed
deviation
amp. PWM
circuit
RB2
DL1
DL2
Fuse
X5
Alarm
signal
Point
input
Pusle
output
Control
input
Control
output
Division/
mulitiplication Deviation
counter Position
deviation amp.
Front panel
Display
operation
control
Parameter control
Protective
curcuit
Error
detection
EEPROM
Sequence control
Torque
limit Current
control
Division
processing
Encoder signal
processing
limit

Internal Block Diagram of MINAS-A4P Driver (A, B, C and D-frame)

±12V
+5V
PS for gate drive
PS for RE
Fan
(D-frame only)
Block Diagram of Driver