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Logosol Multifunctional Servo Drive LS-231g3SB
Doc # 712231005 / Rev. C, 09/13/2018
Features
 Controller modes:
- LDCN
- Analog ±10V
- Quadrature Encoder mode
- Step & Direction
- Step Positive/Step Negative
 Dual Encoder Loop

Servo loop rate 51.2uS
 Sinusoidal motor phases commutation
 Motors supported:
- Panasonic A and S series motors
- Motors with Serial Absolute encoders
- Brushless 60/120
°
commutated
- Linear motors
- Voice coil and Brush motors
 Up to 20A peak / 12A continuous output
current
 Up to 200V DC power supply
 Path point buffer for coordinated motion
control
 32-bit position, velocity, acceleration,
16-bit PID filter gain values
 Torque loop
 Safety Bus
 Feedback loss protection
 Comprehensive motor output short-circuit
protection:
- Output to output
- Output to ground

Adjustable motor current and overload time
limits
 Over/under voltage shutdown
 Overheating protection
 Forward and reverse over travel inputs
 Communication 19.2Kb/S to 1.25Mb/S
 PWM frequency 20 kHz
 Encoder rate 10.0MHz
Description
LS-231g3SB is all digital multifunctional single-axis
servo controller with integrated power amplifier
designed for applications requiring sinusoidal control
of Rotary or Linear brushless motors up to 1.5 HP.
DC (brush) and Voice coil motors are also supported.
In
LDCN mode the LS-231g3SB supports
coordinated motion of several motors. Up to 31
devices can be controlled over a multi-drop full duplex
RS-485 network. Standard RJ-45 connectors and
commercially available cables are used for daisy
chaining of the modules.
In
Analog modes the drive supports precise speed
control. Analog modes give flexible use of Analog,
Enable and Direction inputs.
Three modes are provided in addition to the standard
Step & Direction mode. In Step Positive/Step
Negative mode the direction is controlled via two
separate step inputs. In Quadrature encoder modes
step and direction inputs can be connected to A and
B phase of an incremental encoder.
Dual-Loop encoder mode supports two encoder
inputs. In this mode the encoders for position and
servo control are separated. High resolution
encoders can be used for precise position control.
LS-231g3SB is equipped with various safety features
such as short circuit protection for the motor and the
drive, limit switch inputs, over/under voltage
shutdown and encoder presence control. Safety bus
can be connected for multi-drive system protection.
Maximum motor output current and overload time can
be set.
Logosol, Inc.
•
2833 Junction Ave., Ste 101
•
San Jose, CA 95134
•
Tel: (408) 744-0974
•
www.logosolinc.com