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Compact modular drive with output up to 15 A, 80 V, 1000 W

Single Axis Servo Motor Drives

SXD Series

Allied Motion’s SXD is a single-axis digital

servo motor drive capable of driving a DC

brush, DC brushless or AC brushless motor.

The SXD modular package has a very

compact form factor that can be either panel

or DIN-rail mounted. Its small size means the

SXD is easier to integrate into equipment

and will help minimize overall system size.

This single-axis servo motor drive is capable

of supplying up to 1000 W continuous

output power to the motor. Standard ratings

are 12 to 80 VDC bus, 15 A continuous and

30 A peak current.

The SXD can be used to control motor

torque (current) or speed. Motor position can

be controlled via CANopen, Modbus RTU, or

using the ALLNET .NET framework.

The SXD employs Space-Vector Modulation

for ecient, smooth, sinusoidal power

output to the motor.

Allied Motion’s IN Control™, a Windows-based

software application, compatible with

Vista / 7 / 8 / 10 computers, enables easy set-

up and conguration of the SXD drive.

Options

• Cables: Connectorized mating cables

for the SXD are available as standard

accessories

Features & Benets

• Torque (current), velocity and position control mode

• High performance 10 kHz current loop, 5 kHz velocity loop, 2

kHz position loop, multiple congurable loop lters

• Compatible with brushless AC and DC, and brush DC motors

• Digital Inputs: 4 optically isolated; can be wired as current

sourcing or current sinking

• Digital Output: Optically isolated, 25 mA max; can be wired as

current sourcing or current sinking

• Encoder Input: Buered A/B/Z dierential channels for single-

ended or dierential encoders

• Analog Inputs: 2 dierential, ±10 V

• Analog Output: 0 - 10 V range, 5 mA maximum

• Communication Ports: RS232, RS485, CAN

• Fully protected against over-voltage, under-voltage, reverse-

voltage, short-circuit and over-temperature events; protective

metal PCB cover

• “Keep-Alive” feature enables connecting separate logic and

main power supplies to maintain logic and peripherals with

main power shut o

• IN Control Windows-based set up software includes a digital

oscilloscope and frequency analysis tools

• ALLNET .NET Framework provides command, control and

monitor of the SXD through a set of high-level classes and

methods using applications developed in Visual Studio

• Compact and modular form-factor ts tight spaces

• 2-screw panel mount version or DIN-rail mount version

• Compliance: RoHS

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SXD – Specications

Model

SXD-20210001 SXD-20210002

Mounting Style Panel-mount

Panel-mount with universal

DIN-rail mounting adapter

Architecture DC-powered, modular, single-axis digital PWM servo drive

Motor Compatibility

Brush DC or brushless servo motor (linear or rotary) with sinusoidal or trapezoidal back-EMF

characteristic

DC Power Input Range 12 to 80 VDC

“Keep-Alive” Power Input Range 12 to 80 VDC, 100 mA maximum plus motor encoder current draw

Output Current

Up to 15 A continuous; 30 A peak (2 sec); observing proper heat sinking and ambient

temperature

Power Output Up to 1000 W observing proper heat sinking and ambient temperature

Amplier Type PWM (20 kHz nominal) 4-quadrant control

Eciency > 92% at 30 °C

Minimum Motor Inductance 50 μH

Control Modes

Position, velocity or torque (current) control: 10 kHz torque, 5 kHz velocity, and 2 kHz

position loop update rates; PID + feed-forward, user-congurable digital lters (e.g., notch,

low pass

Position Feedback Input

3.5 MHz buered dierential A/B/Z inputs (for incremental encoder) and Hall sensors, 5 V,

single-ended

Positioning Point-to-point, target position with velocity/acceleration limits

Memory Flash memory for parameters, miscellaneous storage

Set up Interface RS232, 460800 baud, 8 data bits, no parity, 1 stop bit

Inputs and Outputs

• Digital IN: 4 optically isolated, congurable as current sourcing or current sinking;

ON level: 5 to 32 V, OFF level: 0 to 1.2 V

• Digital OUT: 1 optically isolated, congurable as current sourcing or current sinking;

25 mA maximum, 32 V maximum

• Analog IN: 2 dierential, ±10 V

• Analog Output: 0 - 10 V range, 5 mA max

• Brake control and power with settable voltage level up to the DC bus level and up to 1 A

continuous current

Communications

• ALLNET .NET Framework over RS232, 460800 baud, 8 data bits, no parity, 1 stop bit

• CANopen over CAN, up to 1000k baud

• Modbus RTU over RS485, 38400 baud, 8 data bits, no parity, 1 stop bit

LED Status Indicator

• Green, slow-blink => Disabled, operation is normal

• Green, fast-blink => Enabled, operation is normal

• Red, slow-blink => Fault

Current Loop Type PI, 100 µs loop delay

Velocity Loop Type PID/PDF, 200 µs loop delay

Position Loop Type P with feed forward, 500 µs loop time