1 FUNCTIONS AND CONFIGURATION
1.2 Function block diagram
27
1
■
MR-J4-11KGF4(-RJ)/MR-J4-15KGF4(-RJ)/MR-J4-22KGF4(-RJ)
Current
detector
Thyristor
External
dynamic brake
(optional)
*4*6
U
V
W
U
V
W
L3
L2
L1
U
U
U
Power factor improving
DC reactor
*4
Charge
lamp
Regene-
rative
TR
Cooling fan
L11
L21
Encoder
N-
C
Power
supply
*1
MC
MCCB
CN5
USB
USB
CN1A
CN1B
D/A
CN3
Servo amplifier
Diode
stack
P3
P4
*2
P+
+
+
B
RA
24 V DC
B1
B2
Battery
(For absolute position
detection system)
CN4
M
CN2
CN8
Servo motor
External
regenerative resistor
or
regenerative option
Electromagnetic
brake
STO
switch
Control
circuit
power
supply
Current
detection
Overcurrent
protection
Voltage
detection
Base
amplifier
STO
circuit
Step-
down
circuit
Model position
Current
control
Actual
position
control
Actual
speed
control
Virtual
motor
Virtual
encoder
Position
command
input
Model speed Model torque
Model
position
control
Model
speed
control
Personal
computer
Analog monitor
(2 channels)
Digital I/O
control
I/F Control
CN2L
External encoder
Controller or
servo amplifier
Controller or
servo amplifier
*3
Summary of Contents for MELSERVO-J4 series
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