Function Block Diagram - Mitsubishi Electric MR-J4W2-0303B6 Instruction Manual

1. FUNCTIONS AND CONFIGURATION

1.2 Function block diagram

The function block diagram of this servo is shown below.
MCCB MC
L1
(Note 2)
L2 U
Power
supply
L3 U
L11
L21
STO switch
Servo system
controller or
servo amplifier
Servo amplifier
or cap
Note 1. The MR-J4W2-22B has no cooling fan.
2. For 1-phase 200 V AC to 240 V AC, connect the power supply to L1 and L3. Leave L2 open. For the power supply
specifications, refer to section 1.3.
Regenerative
option
P+ C D
CNP2
Diode
Built-in
stack
regenerative
Relay
resistor
Regene-
rative
+
TR
U
CHARGE
lamp
Cooling fan
(Note 1)
STO circuit
Control
circuit
+
Base
power
supply amplifier
Control (B-axis)
Control (C-axis)
I/F
Control
TRM (A)
Current
detector
brake circuit (A)
Overcurrent
Overvoltage
(A)
Virtual
Control (A-axis)
motor
Model position Model speed
control (A) control (A)
Virtual
encoder
Current
Actual position Actual speed
control (A)
control (A) control (A)
CN5 CN3
Digital I/O
USB
control
Personal
computer
1 - 3
A-axis Servo motor
U
V
A-axis
output
W
Dynamic
A-axis
F/B
B-axis Servo motor
Current
U
detection
(A)
V
B-axis
output
W
B-axis
F/B
C-axis Servo motor
U
V
C-axis
output
W
C-axis
F/B
Step-down
circuit
MR-BT6VCASE
Battery case +
Battery
(for absolute position
detection system)
M
E
M
E
M
E