SWM7 Servo Controllers

High power density and reliability for demanding drive applications – from 12 V to 600 V and up to 30 kW continuous output power – ideal for motor test benches, automotive pre-development, and rugged industrial or defense applications.

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SWM7 Servo Controllers – Low Voltage and High Current

Servo controllers with high power density and reliability, designed for use from 12 V to 600 V and up to 30 kW continuous output power.

After more than 30 years of development experience, the SWM7, Sine Wave Inverter Module, represents the latest generation of servo controllers for a wide range of applications in industry, vehicle technology, defense technology and general electric drive technology. The SWM7 motor controller family combines all the advantages of modern digital and power electronics.

Key Features

Power stage for brushed DC motors, 2- and 3-phase brushless DC motors and AC induction motors
Wide input voltage range: 12–60 V, 12–350 V, 24–650 V; 24 V auxiliary supply
Industrial (-CT), extended operating temperature (-ET) and MIL versions (-MT) available
Field-oriented motor control, also with field-weakening operation
Fully adjustable PID control with feedforward
High-efficiency PWM, adjustable: 15, 20, 25, 40, 50 kHz; parallel modulation
Very fast control cycle rate, synchronized with PWM
Example at 40 kHz PWM: current loop 80 kHz, speed loop 40 kHz, position loop 10 kHz
Current sensors with 16-bit resolution, speed control with 32-bit resolution, position control with 48-bit resolution
±10 V analog interfaces for U/V current, torque or speed setpoint input
Ethernet and CAN bus interface, also for positioning tasks, optional
RS232, CAN and USB interfaces for communication
Custom CAN profiles available
Sinusoidal or block commutation with Hall sensors, resolver or incremental encoder
Speed control via DC tachometer, resolver, incremental encoder or Hall sensors
Simultaneous use of up to three feedback systems
100% digital adjustment of all controller parameters, including current control
Various digital and analog inputs and outputs, digital enable and fault signal
Front-panel pin assignment adaptable to specific customer requirements, SWM7 variant
Low-profile housing available, 65 mm height, SWM7S
Contact cooling via base plate; air or water cooling for higher power versions, -AC / -WC
Parameter monitoring and adjustment via USB / RS232 interface
MS Windows setup software
Complies with CE, MIL-STD-810, -461/462, -1275B, 48 V version, etc.
Highly reliable: 20,000 hours according to MIL-HDBK-217F, NS naval sheltered

Specifications

SWM7 Servo Controller Family – Technical Data

Model	Rated Voltage	Rated Current	Peak Current	L x W x H	Temp.
SWM7/048-12.5-CT	12–60 V	12.5 Arms	25 A	190 x 188 x 70 mm	0 °C to +45 °C
SWM7/048-25-CT	12–60 V	25 Arms	50 A	190 x 188 x 70 mm	0 °C to +45 °C
SWM7/048-50-CT	12–60 V	50 Arms	100 A	190 x 188 x 70 mm	0 °C to +45 °C
SWM7/048-100-CT	12–60 V	100 Arms	200 A	190 x 188 x 70 mm	0 °C to +45 °C
SWM7/150-5-CT	12–320 V	5 Arms	10 A	190 x 185 x 90 mm	0 °C to +45 °C
SWM7/150-12.5-CT	12–320 V	12.5 Arms	25 A	190 x 185 x 90 mm	0 °C to +45 °C
SWM7/150-25-CT	12–320 V	25 Arms	50 A	190 x 185 x 90 mm	0 °C to +45 °C
SWM7/300-5-CT	12–450 V	5 Arms	10 A	215 x 200 x 155 mm	0 °C to +45 °C
SWM7/300-12.5-CT	12–450 V	12.5 Arms	25 A	215 x 200 x 155 mm	0 °C to +45 °C
SWM7/300-25-CT	12–450 V	25 Arms	50 A	215 x 200 x 155 mm	0 °C to +45 °C
SWM7/600-5-CT	12–650 V	5 Arms	10 A	215 x 200 x 155 mm	0 °C to +45 °C
SWM7/600-12.5-CT	12–650 V	12.5 Arms	25 A	215 x 200 x 155 mm	0 °C to +45 °C
SWM7/600-25-CT	12–650 V	25 Arms	50 A	215 x 200 x 155 mm	0 °C to +45 °C

Downloads

Download the datasheets now:

SWM7 Datasheet

Operating Manual

SWM7 & LWM7 Installation and Setup Guide

Download the SWM7 & LWM7 setup files now:

SWM7.exe

SWM6.exe

Standard functionality - 07.2024.mac

Extended functionality - 07.2024.mac

Extended functionality with CAN - 07.2024.mac

The SWM7 supports the following position feedback formats:

Digital Hall sensors
Resolver
Digital incremental encoder, TTL
Analog incremental encoder, 1 Vpp sin/cos
EnDAT 2.2
SSI
BiSS
DC tachometer
AMR encoder, anisotropic magnetoresistive

The SENT protocol, Single Edge Nibble Transmission, can be implemented on request.

Typical Applications for SWM7 Servo Controllers

SWM7 servo controllers are used worldwide in demanding development, test bench and series applications. They are particularly suitable for projects requiring high power density, flexible voltage ranges and customer-specific functionality.

Typical application areas include:

Motor Test Benches in the Automotive Sector
Particularly suitable for applications with low supply voltages, such as 12 VDC, and high motor currents.
Motor Test Benches in the Automotive Sector
Particularly suitable for applications with low supply voltages, such as 12 VDC, and high motor currents.
Test Benches for Motors with AMR Sensors
SWM7 controllers can be used in applications where motors are equipped with magnetoresistive AMR sensors.
Automotive Pre-Development
Ideal for development projects where newly developed motors need to be controlled, tested and validated.
Defense and Special Applications
The SWM7 family is suitable for rugged applications with 24 V to 48 VDC supply voltage and increased requirements for reliability and environmental resistance.
Custom Control Tasks
For projects with special requirements, functions, control algorithms or firmware adaptations can be implemented according to customer specifications.

Complementary Product Line: LWM7 Linear Amplifier

Non-Switching Servo Controller

For applications with particularly high requirements for smooth motion, EMC behavior or positioning accuracy, MACCON offers the LWM7 Series as a suitable sister product line.

LWM7 controllers are linear amplifiers with a non-switching power stage and are particularly suitable for nanometer positioning, creep speeds and applications with strict EMC requirements.

Key Features

Housed amplifier for DC and BL servo motors
Linear power stage
No switching – excellent EMC behavior
Outstanding control characteristics
Suitable for high-precision control in the nanometer range, no PWM jitter
Up to 300 W peak power
12–60 VDC
5 Arms continuous current, 10 A peak current
Earlier LWM model: 2.5 A continuous current, 5 A peak current

Contact

Do you have any questions or would you like some advice?

Please feel free to send us your technical requirements or questions in writing using the contact form linked below. We will get back to you as soon as possible after receiving your enquiry.