Function Block Diagram - Mitsubishi Electric MR-J4-10A(-RJ) Instruction Manual

18. MR-J4-03A6(-RJ) SERVO AMPLIFIER

18.1.2 Function block diagram

The function block diagram of this servo is shown below.
48 V DC main circuit power supply
Circuit
48 V DC
RA
protector
24 V DC
24 V DC main circuit power supply
Circuit
protector
24 V DC
Servo amplifier
PM
Built-in
regenerative
resistor
+
CHARGE
lamp
0
24
Control
+
circuit
power
supply
Base amplifier
Regenerative
Overcurrent
brake
Position
command
Model
input
position
control
Model
position
Actual
position
control
A/D D/A
Analog
(two channel)
Analog monitor
(two channel)
Inverter
detector
Regene
-rative
TR
Overvoltage
detection
Model
speed
control
Virtual
motor
Model Model torque
speed
Actual
speed
control
RS-422
I/F
CN1
DI/O control
Servo-on
Input command pulse.
Controller
Start
RS-422
Malfunction, etc
18 - 2
U
V
Current
W
E
24 V DC
Current
Step-
Virtual
down
circuit
encoder
Current
control
USB
CN3
Personal
computer
USB
Servo motor
U
V
M
W
B1
RA
Electro-
B
magnetic
brake
B2
Encoder
MR-BAT6V1SET-A
Battery
(for absolute position
detection system)