Function Block Diagram - Mitsubishi Electric MR-J2S B Series Instruction Manual

1. FUNCTIONS AND CONFIGURATION

1.2 Function block diagram

The function block diagram of this servo is shown below.
(1) MR-J2S-350B or less
Servo amplifier
NFB MC
L
1
(Note 2)
L
2
Power
supply
L
3
L
11
L
21
Note 1. The built-in regenerative resistor is not provided for the MR-J2S-10B (1).
2. For 1-phase 230V, connect the power supply to L
L is not provided for a 1-phase 100 to120V power supply. Refer to section 1.3 for the power supply specification.
3
3. Servo amplifiers MR-J2S-200B have a cooling fan.
Regenerative option
P
Diode
Relay
stack
Regenerative
CHARGE
TR
lamp
(Note 3) Cooling fan
Control
circuit
power
supply
Position command
input
Model position
control
Model
position
Actual position
control
CN1A
Controller
or
Servo amplifier
D
C
(Note 1)
Current
detector
Base Voltage Overcurrent
amplifier detection protection
Model speed
control
Virtual
motor
Model
speed
Actual speed Current
control control
I/F Control
RS-232C
CN1B
Servo amplifier
or
termination
connector
, L and leave L open.
1 2 3
1 - 2
U
V
W
Dynamic
brake
Current
detection
Virtual
encoder
Model
torque
D/A
CN3
Analog monitor
(2 channels)
Personal computer
Servo motor
U
V
M
W
B1
Electro-
magnetic
B2
brake
Encoder
MR-BAT
Optional battery
(for absolute position
detection system)