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Introduction
MR-J2S-350B4 to 700B4
Power supply
3-phase, 380–480VAC
Power
supply
24VDC
Fig. 1-3: Block diagram for Servo amplifier MR-J2-Super
When connecting an optional regeneration brake resistor, always remove the lead from
across the terminals P and C.
1 - 4
Servoverstärker
L1
I >
L2
I >
L3
I >
Fan
24 V • L
1 1
+
−
0 V • L
2 1
Regenerative
brake
Position
command
input
Model position
control
Actual position
control
C N 1A
Controller
or
servo amplifier
Regenerative
brake option
P
C
N
Main circuit
Control
circuit
power
supply
Voltage
Base
amplifier
detection
protection
Virtual
motor
Model speed
control
Model torque
Model
Model
position
speed
Actual speed
control
I/F Control
R S -23 2C
C N 1B
Servo amplifier
or
termination
connector
Function block diagram
U
U
V
V
W
W
24VDC
EMG
Over-
Current
current
detection
Virtual
encoder
Current
control
MR-BAT
Optional battery
(for absolute position
detection system)
D /A
C N 3
Analog monitor
(2 channels)
Personal computer
Servo motor
M
Electro-
magnetic
brake
Encoder
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