Function Block Diagram - Mitsubishi Electric MELSERVO-JN Series Instruction Manual

1. FUNCTIONS AND CONFIGURATION

1.2 Function block diagram

The function block diagram of this servo motor is shown below.
(1) Position control mode, internal speed control mode, internal torque control mode
Servo amplifier
MCCB MC
(Note 2)
L
1
Main
circuit L
2
power
supply
Circuit
protector
(Note 2)
24V
Control
circuit
power
0V
supply
Note 1. A built-in regenerative resistor is not provided for the MR-JN-10A(1).
2. For the specification of power supply, refer to section 1.3.
Regenerative option
Diode
stack
Relay
Fuse
CHARGE
Control
circuit
power
supply
Pulse
input Model
position
control
Model
position
Actual
position
control
I/F
CN1
D I/O control
Servo-on
Command input
pulses
Start
Failure, etc.
P
C
(Note 1)
Regene-
lamp
rative
TR
Base Voltage
Overcurrent
amplifier detection
protection
Model
speed
control
Virtual
motor
Model torque
Model
speed
Actual
Current
speed
control
control
USB
CN3
Personal
computer
USB
1 - 3
U
V
Current
detector
W
Dynamic
brake
24VDC
Current
detection
Virtual
encoder
Servo motor
U
V
M
W
B1
RA
Electro-
magnetic
B
brake
B2
Encoder