1 FUNCTIONS AND CONFIGURATION
1.2 Function block diagram
29
1
100 V class
*1 The built-in regenerative resistor is not provided for MR-J4-10GF1(-RJ).
*2 Refer to the following for the power supply specifications.
Page 30 Servo amplifier standard specifications
*3 This is for MR-J4-_GF1-RJ servo amplifier. MR-J4-_GF1 servo amplifier does not have CN2L connector.
Model position
Current
control
Actual
position
control
Actual
speed
control
Virtual
motor
Virtual
encoder
L11
L21
Encoder
N-
*1
C
D
L2
L1
Dynamic
brake circuit
Current
detection
Overcurrent
protection
Voltage
detection
Power
supply
*2
MC
MCCB
Base
amplifier
STO
circuit
Position
command
input
Servo amplifier
U
V
W
U
V
W
Diode stack
Relay
P+
+
+
B
RA
24 V DC
B1
B2
Battery
(For absolute position
detection system)
CN4
STO
switch
Model speed Model torque
M
CN2
CN8
Control
circuit
power
supply
Model
position
control
Model
speed
control
Servo motor
Charge
lamp Regene-
rative
TR
Current
detector
Regenerative
option
U
Step-
down
circuit
External encoder
+
CN5
USB
USB
Personal
computer
Controller or
servo amplifier
Controller or
servo amplifier
CN1A
CN1B
D/A
Analog monitor
(2 channels)
CN3
I/F Control
Digital I/O
control
*3
CN2L
Electromagnetic
brake
Summary of Contents for MELSERVO-J4 series
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