Logosol Multifunctional Servo Drive LS-231g2SB
Doc # 712231006 / Rev. B, 12/26/2017
Logosol, Inc.
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2833 Junction Ave., Ste. 101
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San Jose, CA 95134
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Tel: (408) 744-0974
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www.logosolinc.com
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LS-231g2SB ARCHITECTURE
Overview
LS-231g2SB Logosol Multifunctional Servo Drive is a highly integrated servo control module for Brushless
motors including motion controller, servo amplifier with integrated sinusoidal output, Serial communication
interface, Amplifier interface, Step & direction interface, Safety bus and protection circuit. LS-231g2SB
can be configured to work in 8 different modes.
Block diagram
From/To CN9
Limit2/H3
Limit1
HomeIN
1K
Limit1,
Limit2,
HomeIN
Limit1, Limit2,
Home
Encoder and
Hall Sensors
Inputs
4K7
4K7
Gnd
100
CN5-
Step, Dir
AEN
Fault
Encoder
outputs
C
o
m
m
u
n
ic
a
tio
n
in
te
rfa
c
e
Gnd
1
0
K
DAC
ADCin
DACout
Input9
Enable
LIMIT
FAULT
CN4-1
CN3-1
CN4-3
CN3-3
CN4-2
CN4-4
CN3-2
CN3-4
Input interface
Encoder interface
Input interface
Input interface
Output driver
Short protection
Pull-Up
Input10
Output2
Pull-Up
Pull-Up
Input interface
Bridge
Output driver
Brake/Output1
+24V 18Vdc to 36Vdc
+5V
DC/DC converter
Short protection
POWER 18Vdc to 90Vdc
+24V
Fuse
POWER Gnd
Motor Driver
MOTOR AC1(U)
MOTOR AC2(V)
MOTOR Ac3 (W)
Motor Driver
Power supply
Current sensor
PWM A
Output driver
Motor Driver
Power supply
+24V
+24V
+24V
CONTROL LOGIC
E
N
C
O
D
E
R
A
N
D
H
A
L
L
S
E
N
S
O
R
S
C
O
N
T
R
O
L
Encoder
outputs
SERVO CONTROL
COMMUNICATION
Rx
Tx
Transmit
Enable
Rx
Tx
Transmit
Enable
PWM B
PWM C
PWM A
PWM B
PWM C
Current sensor
ADC
PWM
ADC
PWM
CN1
CN2
CN3
CN4
CN5
CN6
CN7
CN8
CN9
LS-231g2SB
INbit3,4,5
INbit8,9
INbit10
OUTbit2
OUTbit0,1
LIMIT
FAULT
Output Short
Motor Short
Gnd
SW4
