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1. FUNCTIONS AND CONFIGURATION
1.2 Function block diagramThe function block diagram of this servo is shown below.(1) MR-J2S-350B or less
RS-232C
RADS
(MR-J2S-200B or more)
Fan
Servo motor
D
C
P
NFB MC L1
L2
L3
L11
L21
E2
Actual position
control Actual speed
control
CN2
CON1
MR-BAT
U
V
W
U
V
W
M
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
TR
CHARGE
lamp
Current
detector
Dynamic
brake
Electro-
magnetic
brake
Encoder
Current
detection
Overcurrent
protection
Voltage
detection
Control
circuit
power
supply
Model position
control Model speed
control
Virtual
encoder
Virtual
motor
Model
position Model
torque
Current
control
Optional battery
(for absolute position
detection system)
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 L1,L2 and leave L 3 open.
L3 is not provided for a 1-phase 100to120VAC power supply.
I/F Control
Controller
or
Servo amplifier
Servo amplifier
or
termination
connector
Analog monitor
(2 channels)
Personal computer
Model
speed