SA5400 Brushless Servo Drives

brushless servoamplifier
SA5400  AC servo drive and M5400 Brushless servo motor

High-performance Brushless Servo Drive for Retrofit Market

The SA5400 Servo Drive and the matching M5400 Servo Motor series were specifically developed for the retrofit market, replacing outdated large Brush DC and Brushless AC servomotors and drives no longer supported by original OEMs. Designed for versatility and flexibility, the SA5400 drive features state-of-the-art 3D modeling, high torque, MS connector interfaces, and a wide selection of feedback devices such as tachometers, resolvers, and encoders. Combined with matching motors and cables, it provides a cost-effective solution for major machine retrofits as well as new OEM applications, including radar systems, antennas, material handling, and CNC machines.

Features & Benefits

  • High-performance servo drive with 45 A continuous and 90 A peak current output
  • Supports DC brush motor and AC brushless servo motors
  • Fully digital control architecture eliminates potentiometer adjustments and drift
  • 115-230 VAC single-phase or three-phase power input
  • 3-30 V/1000 RPM tachometer feedback support
  • Compatible with resolver, Hall sensor, and encoder feedback systems
  • Internal or external electric brake options
  • Integrated RS485, Modbus, and TCP/IP industrial communications
  • Built-in regenerative braking for improved energy management
  • Torque, velocity, and position control modes for motion control applications

Available Options

  • Custom electrical and control functions
  • Custom packaging, enclosure, and mounting configurations
  • Custom voltage and current ratings for OEM and industrial applications

 

 

Power

Model Voltage Peak Current Continuous Current
USD-60

115-230

VAC

60 A

30 A

USD-80

80 A

40 A

 

Motor

Motor Type Standard Option

PMSM

 

BLDC

 

DC

 

IM

 

 

Feedback

Feedback Type Standard Option

Tachometer

 

Halls only

 

TTL encoder & Halls

 

Resolver

 

Stegmann Encoder

 

Sensorless PMSM

 

 

Command

Command Source Standard Option

Analog input +/-10 V

 

RS485 (Modbus RTU)

 

Ethernet (Modbus TCP/IP)

 

Encoder Follower

 

Frequency & Direction

 

Ethercat

 

 

Mode of Operation

Mode Availability

Torque Control

Speed Control

Position control

 

Interface

Control Input Specification

Analog Input

Two inputs +/-10V, 16-bit Resolution

Digital Inputs

Four inputs, 5 VDC

Digital Outputs

Two outputs, 24 VDC

Analog Output

One output, +/- 10 V

 

The SA5400 is an ideal single-axis drive featuring an extensive set of built-in functions and an embedded graphical programming environment. It enables the development of applications for a wide range of industrial processes where fast setup, commissioning, and operation are essential.
 

Features

Benefits

Field weakening mode

Extends the motor's operating speed range beyond base speed

Integrated PLC with Graphical Programming Environment

Enables customization of machine logic without an external PLC. Programs can be created using function block diagrams, text, state machines, and algorithms. Access to drive events and digital/analog I/O simplifies application development

Automatic Motor Alignment

Ensures proper motor commutation

Support for Multiple Feedback Types

Compatible with servo motors using resolver, encoder, and other feedback devices

External Shunt Resistor Connection

Allows effective management of regenerative energy in high-dynamic applications

PC-Based Configuration Software

Accelerates setup and tuning with automatic and manual regulator adjustment, parameter configuration, drive monitoring, two-channel oscilloscope functionality, and system diagnostics

Fault and Event Logging

Stores event history in non-volatile memory, including timestamps and operating data such as temperature, DC bus voltage, and load current

Configurable Protection Functions

Protects against Following Error, Overvoltage, Undervoltage, Overcurrent, Short Circuit, I²T Overload, Overtemperature, and Hall Sensor Fault conditions. Supports automatic or manual fault reset modes

Multiple Fault Response Modes

Four selectable modes for fault indication and drive shutdown

Programmable Acceleration/Deceleration Profiles

Supports linear and S-curve profiles with optional acceleration limiting for smoother motion control

Encoder Outputs

Converts drive position data into TTL encoder signals for easy integration with existing motion control systems

Built-In Signal Generators

Simplifies tuning of velocity and position control loops

Ethernet Auto-Detection

Provides fast drive detection, connection, and configuration over the network

 

For additional product details and technical information, please contact the factory directly.

SA5400 servo drive dimensions: SA5400.PDF

For additional product details and technical information, please contact the factory directly.