SMC Networks LECSB2-T Series User Manual

1. FUNCTIONS AND CONFIGURATION
1 - 3
1.2 Function block diagram
The function block diagram of this servo is shown below.
(1) LECSB2-T
□
U U
U
Model position
Current
control
Actual
position
control
Actual
speed
control
Virtual
motor
Virtual
encoder
L11
L21
Cooling fan
(Note 3)
Encoder
(Note 4)
N-C D
L3
L2
L1
Dynamic
brake
circuit
Power factor improving
DC reactor
Current
detection
Overcurrent
protection
Voltage
detection
(Note 2)
Power
supply
MCMCCB
Base
amplifier
STO
circuit
Position
command
input
Servo amplifier
U
V
W
U
V
W
P3 P4
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
Model
position
control
Model
speed
control
Servo motor
CHARGE
lamp
Regene-
rative
TR
Current
encoder
Regenerative
option
CN5 CN3 CN6
Analog monitor
(two channel)
I/F
USB
RS-422/
RS-485
D/AA/D
USB
RS-422/
RS-485
Controller
Personal
computer
Analog
(two channel)
DI/O control
Servo-on
Input command pulse.
Start
Malfunction, etc
CN1
Electromagnetic
brake
Step-
down
circuit
(Note 1)
CN2L
External encoder
(Note 5)
(Note 6)
Driver
Lock
LEC-MR-BAT6V1SET

SMC Networks LECSB2-T Series Specifications

General

Brand	SMC Networks
Model	LECSB2-T Series
Category	DC Drives
Language	English