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

1. FUNCTIONS AND CONFIGURATION

1.2 Function block diagram

The function block diagram of this servo is shown below.
(1) 200 V class
(a) MR-J4-500A(-RJ) or less
Servo amplifier
MCCB MC
L1
(Note 2)
U
L2
Power
supply
U U
L3
L11
L21
STO
switch
command
Analog
(two channel)
POINT
The diagram shows MR-J4-_A_-RJ as an example. The MR-J4-_A_ servo
amplifier does not have the CN2L connector.
(Note 6)
Regenerative
Power factor improving
DC reactor
(Note 4)
P3 P4
Diode
stack
Relay
+
CHARGE
lamp
Cooling fan
(Note 3)
Control
+
circuit
STO
power
circuit
Base
amplifier
Position
Model
input
position
control
Model position
Actual
position
control
A/D
I/F
CN1
DI/O control
Servo-on
Personal
Input command pulse.
computer
Start
Malfunction, etc
option
P+ C D N-
(Note 1)
Regene-
rative
TR
Voltage
Overcurrent
detection
protection
Virtual
encoder
Model
speed
control
Virtual
motor
Model speed Model torque
Actual
Current
speed
control
control
RS-422/
USB
RS-485
CN5 CN3
Controller
Analog monitor
RS-422/
(two channel)
USB
RS-485
1 - 3
Dynamic
brake
circuit
U U
V V
Current
encoder
W W
RA
24 V DC
Current
detection
Step-
down
circuit
Battery
(for absolute position
detection system)
External encoder
(Note 5)
D/A
CN6
Servo motor
M
B1
Electromagnetic
B
brake
B2
Encoder