Maximal connectivity - Controllers and motors

Festo servo motors and servo drives offer maximum connectivity in hardware and software. They can be easily and quickly configured as a complete servo drive package with the software Festo Automation Suite and represent the ideal connection between your mechanics and control technology. You can freely create those electrical combinations that precisely meet the requirements of your applications.

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Which servo drive controller is right for your application?

We have created a compact selection guide for you to help you narrow down the services and technical features for your options at a glance in order to find the right choice for your needs.

Download the Selection Guide for free

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Servo drive CMMT-AS

The CMMT-AS is one of the most compact servo drive controllers available in the field of low-voltage controllers. The price- and size-optimized servo controller for point-to-point and interpolating movements is suitable for various Ethernet-based bus systems and can be seamlessly integrated directly into system environments from different manufacturers. There it behaves like a controller of the control provider. Due to the identical behavior and the availability of manufacturer-specific function modules, no controller-specific know-how is necessary. Within a few minutes, the CMMT-AS with the EMMT-AS servo motor is put into operation via the Festo Automation Suite. The space-saving one-cable solution and its extremely low cogging torque ensure good controllability and path accuracy for positioning tasks.

  • Universally applicable
  • Price and size-optimized servo drive system of the latest generation
  • Available with Functional/Advanced Safety features such as SS1, SS2, SLS, SMS, SOS and control via IO and fieldbus
  • Standard security features can be configured without software
  • Autotuning supports easy commissioning and automatically optimizes the control behavior of rotary and linear movements
  • Precise force, speed and position control
  • Ideal in combination with the EMMT-AS servo motor

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Put us to the test! - Get started electrically with the CMMT-ST-MP starter kit

Your entry into the world of E-Drive at an attractive price!

With the servo drive controllers of the CMMT family, we offer a space-optimized, extremely attractively priced solution that is compatible with motors and control systems from a wide range of manufacturers.

The practical starter kit is available for those who want to test the advantages of the CMMT servo drive controllers with multi-protocol for themselves. The set includes the CMMT-ST-MP servo drive controller, the EMMT-ST stepper motor with multiturn encoder and the appropriate hybrid cables. And all this at an attractive package price of just 399 euros (excl. VAT). So you save up to 50% compared to buying them individually.

Get started with electrical automation with Festo with this user-friendly package. Get to know all the functions in full, test possible applications for your projects and be impressed by the intuitive and simple installation, networking and application.

Order and test now!
(Note: max. 3 developer kits can be ordered per customer)

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Servo motor EMMT-AS

The AC synchronous servo motor for demanding and dynamic applications is noted for an extremely low standstill torque. This ensures good adjustability and tracking accuracy for positioning tasks. The "electronic rating plate" contains all the important motor data. It can be read by the servo drive CMMT-AS and thus the parameters for the servo motor will be automatically set. This makes commissioning effortless and totally reliable.

  • Brushless, permanently excited synchronous servo motor
  • Digital absolute linear potentiometer, single-turn or multi-turn
  • Extremely low resting torque – supports high synchronization even at low rotational speeds
  • Simple connection technology (OCP: One Cable Plug) – one connecting cable for supply and encoder
  • Rotatable plug with adjustable angle (310°)
  • Available with holding brake

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Servo motor EMMB-AS

This compact and particularly economical synchronous servo motor in four power classes is perfect for simple positioning tasks, particularly in the electronics industry and small parts assembly as well as in test stations.

  • Single-turn encoder, optional: multi-turn with battery adapter
  • Optional holding brake
  • Motor, brake and encoder cables with optimised connection technology
  • Degree of protection: IP65 for motor housing and cable connections on the motor, IP40 on the motor shaft without shaft seal ring and IP54 with shaft seal ring
  • Compatible with shafts and flanges on the EMMT-AS

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Servo motor EMMH-AS

Perfect for the food, pharmaceutical and packaging industries

The EMMH-AS is a brushless stainless steel servo motor (1.4404/316L, IP69K) for food contact. Easy-to-clean surface, NSF-H1 grease and high corrosion resistance ensure hygiene. Four sizes, two lengths, a single-cable solution and optional holding brake enable flexible integration. The battery-free absolute measuring system and the integration into Festo's system landscape provide a compact, low-maintenance automation solution.

  • Hygienic series for the highest environmental requirements
  • One-cable plug with integrated pressure compensation hose
  • Suitable for use in food contact
  • Housing made of stainless steel 1.4404 / 316L with IP69K protection class
  • Easy-to-clean design
  • Maximum corrosion resistance
  • NSF-H1 compliant grease for hygiene-critical applications
  • Battery-free digital multi-turn absolute measuring system
  • Four sizes, two lengths, optional holding brake

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Servo drive CMMT-ST

Like its big brother the CMMT-AS, the extra-low voltage closed-loop servo drive CMMT-ST is an integral part of the Festo Automation Platform. It offers extremely economical positioning tasks and motion solutions with low power requirements up to 300 W.Though more compact and much cheaper than its big brother the CMMT-AS, the connection and communication concept, functional modules and standard safety features remain unchanged.

  • Max. continuous output: 300 W
  • Point-to-point and interpolating motion as well as precise positioning
  • 50% more compact than the smallest CMMT-AS
  • Direct fieldbus integration for the main controller manufacturers
  • Optimally with proven stepper motor EMMT/B-ST

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Stepper motor EMMT-ST

The 2-phase hybrid technology offers three flange sizes with a torque range of 0.25 to 9.4 Nm and protection class IP40 for the motor shaft and IP65 for the motor housing and connection technology. The OCP connection technology combines motor and connection cable for supply and encoder in a hybrid cable, whereby the connector can be rotated through 310°. The digital absolute measuring system is available as a single-turn or battery-less multi-turn system.

  • Absolute encoder, single or multiturn (without battery)
  • Optionally with holding brake
  • 3 flange sizes MH: 0.22 Nm ... 9.3 Nm
  • OCP cable (One Cable Plug) with solid plug M17, 310° swivelable
  • Motor in IP65 and with UL certification
  • “Electronic type plate” with motor correction table
  • Cable length up to 25 m

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Servo motor EMMB-ST

Stepper motors for basic requirements: They are inexpensive and ideal for series machine builders as well as for applications in the Electronic and Light Assembly.

  • Absolute encoders, single or multiturn (without battery)
  • Optionally with holding brake
  • 3 flange sizes MH: 0.22 Nm ... 5.3 Nm
  • OCP cable (One Cable Plug) with space-saving plug, orientation to the front or rear possible
  • Motor in IP20, without UL certification
  • "Electronic nameplate" with engine correction table
  • Cable length up to 25 m

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Festo Automation Suite

Parameterize, program and maintain a complete actuator system from the mechanical components to the controller with just a few clicks - and all in just one single software package

  • Only five steps to get a drive system up and running
  • Greatly simplified integration into the control program
  • Customisable through device-specific plug-ins and add-ons
  • Integrated controller programming
  • Access to device information and instructions directly from the software

Electric Motion Sizing

This free online software calculates and suggests possible solutions for your application based on the parameters you enter. You can also:

  • Calculate several possible solutions
  • Generate a BOM (bill of materials)
  • Generate a detailed results report
  • Generate a parameter set that can be easily uploaded to your drive

You can choose between linear or rotary motion, or a multi-axis system. For the latter, you will be linked to the Handling Guide Online (HGO) engineering tool.

Handling Guide Online

This online tool from Festo was created to assemble axles and axle systems quickly and easily. The software requires only a few application parameters (mass, displacement, acceleration, etc.) to calculate and draw your ideal handling solution. This can be a system with one axis and an energy chain with or without motor, but also a gantry system or a 4-axis robot complete with motors, cables and control cabinet.

  • Find the right standard handling system quickly
  • select the type of handling system and enter your application data easily
  • download CAD models and data sheets or place your order in the Festo Online Shop

System Configurator

With System Configurator, you can quickly and intuitively create complete automation systems – from controllers and valve terminals to remote IO and IO-Link devices. Thanks to end-to-end connectivity, flexible project processing and a direct connection to the Festo Automation Suite, you can plan, share and start your projects more efficiently than ever before.

  • Fast Topologies with Basic Components
  • Faster commissioning
  • Interactive design process
  • Visualization of seamless connectivity

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Watch – understand – implement with service2see!


Practical, user-friendly, easy to understand. Festo video tutorials are created by professionals for professionals. We provide an ever expanding range of interesting service videos covering topics including commissioning, maintenance and repairs.

Here you will find helpful online tutorial videos to assist you with commissioning, parameterisation and operation of the new CMMT-AS servo drive controller.