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1. FUNCTIONS AND CONFIGURATION
1.2 Function block diagram
The function block diagram of this servo is shown below.
RS-232C
RADS
(MR-J2S-200B or more)
Fan
Servo motor
D
C
P
NFB MC
L
1
L
2
L
3
L
11
L
21
E2
Actual position
control
Actual speed
control
CN2
CON1
MR-BAT
U
V
W
U
V
W
SM
E1
(Note 1)
CN1A CN1B
D/A
CN3
(Note 2)
Power
supply
3-phase
200 to
230VAC,
1-phase
230VAC or
1-phase
100to120VAC
Servo amplifier
Regenerative brake option
Regenerative
brake
transistor
CHARGE
lamp
Current
detector
Dynamic
brake
Electro-
magnetic
brake
Encoder
Current
detection
Overcurrent
protection
Voltage
detection
Control
power
supply
Model position
control
Model speed
control
Virtual
encoder
Virtual
motor
Model
position
Model torqueModel
speed
Current
control
Optional battery
(for absolute position)
Position command
input
Base amplifier
Regenerative
brake
Note:1. The built-in regenerative brake resistor is not provided for the MR-J2S-10B(1).
2. For 1-phase 230VAC, connect the power supply to L
1
,L
2
and leave L
3
open.
L
3
is not provided for a 1-phase 100to120VAC power supply.
3. For MR-J2S-350B or less.
I/F Control
Controller
or
Servo amplifier
Servo amplifier
or
termination
connector
Analog monitor
(2 channels)
Personal computer
(Note 3)