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1. FUNCTIONS AND CONFIGURATION
1.2 Function block diagram
The function block diagram of this servo motor is shown below.
(1) Position control mode, internal speed control mode, internal torque control mode
D I/O control
24VDC
CHARGE
lamp
CN3
Encoder
Control
circuit
power
supply
Electro-
magnetic
brake
Servo motor
C
P
I/F
Model
position
control
Model
speed
control
Pulse
input
Actual
position
control
Actual
speed
control
Current
control
Virtual
motor
Virtual
encoder
CN2
U
V
W
U
V
W
M
Dynamic
brake
USB
USB
Personal
computer
Regenerative option
CN1
Current
detector
Current
detection
Overcurrent
protection
Voltage
detection
Base
amplifier
B
L
1
L
2
NFB
(Note 2)
Main
circuit
power
supply
MC
RA
B1
B2
Fuse
Relay
Diode
stack
Servo amplifier
(Note 1)
Model
position
Model
speed
Model torque
0V
(Note 2)
Control
circuit
power
supply
Circuit
protector
Regene-
rative
TR
24V
Servo-on
Command input
pulses
Start
Failure, etc.
Note 1. The built-in regenerative resistor is not provided for LECSA
□
-S1
2. For the specification of power supply, refer to section 1.3.
Driver
Lock