Virtual trade show | Automation

More performance for your linear and rotary motors

HEIDENHAIN has developed the next generation of scanning for inductive measurement technology. The new inductive scanning method offers benefits for compact drive systems in highly demanding automation applications: little signal noise, low speed ripple, less cabling thanks to the EnDat 3 interface and the recording of operating status data.

Additional functions often open up new possibilities, and sometimes even completely new fields of application, for machines and production equipment. That is why HEIDENHAIN and the brands AMO, LEINE LINDE, LTN, NUMERIK JENA, RENCO and RSF also offer an extensive selection of products with added value for your specific requirements. These include applications with particularly high accuracy requirements or demands on process reliability.

Discover intelligent encoders for automation and robotics applications from

Heavy-duty rotary encoders from

LEINE LINDE has become an expert in sensors and rotary encoders that ensure accurate position measurement, process reliability and a long service life under harsh conditions. Typical fields of application include the steel industry, wind turbines, shipbuilding, offshore applications, explosive atmospheres, cranes, constructions machines and the paper industry. 

Slip rings and resolvers from LTN

LTN offers an extensive range of slip rings and resolvers, including customized solutions. Their numerous applications range from the machine-tool industry, metrology, servomotors and industrial automation, including packaging machines and robotics, to medical technology, aircraft manufacturing, photovoltaic systems and wind turbines.

Robust, reliable and high-performance: next-generation inductive scanning with our new ASIC

Inductive scanning as it should be: the easy and reliable approach to absolute position feedback


The next generation of inductive scanning: ECI 1122 and EQI 1134

Inductive scanning fundamentally offers a large number of benefits in any application. These qualities include compact dimensions, wide mounting tolerances, high permissible operating temperatures, resistance to contamination and being insensitive to magnetic fields. The next generation of inductive measuring technology from HEIDENHAIN, which was first used in the ECI 1122 and EQI 1134 compact rotary encoders, now significantly expands this list, particularly for compact drive systems in highly demanding automation applications. Additional benefits are little signal noise, low speed ripple, less cabling and the recording of operating status data. This is made possible by increasing the resolution of the singleturn position to 22 bits, which in turn leads to a significant improvement in controller performance in the motor. The EnDat 3 interface makes it possible to connect the HMC 2 single-cable solution.

KCI 1318 FOT and KBI 1335 FOT with integrated bearing cover

Particularly compact and also good at heat dissipation: thanks to fan-out technology (FOT), HEIDENHAIN was able to attach the electronic components and conductive tracks directly to a metal carrier for the KCI 1318 FOT and KBI 1335 FOT variants. This means, for example, that they can be used as bearing cover. Not only does this reduce the space required and the necessary number of parts, but it also makes direct outward heat dissipation through the metal carrier possible. In this variant, the circular scale features a blind hollow shaft holder.


The KCI/KBI series also include inductive dual encoders
and solutions for large axes.

Find out more

For small motors:
Inductive rotary encoders for press-fit mounting

Meet the ideal solution for fast, easy, and reliable installation: introducing the  ECI 1119 PressFit (singleturn) and EQI 1131 PressFit (multiturn) absolute rotary encoders from HEIDENHAIN. These new encoders can be used on motors with a flange size as small as 40 mm x 40 mm and an axis height of just 20 mm.


  • Compact design
  • Functional safety
  • EnDat 2.2 serial interface

The new PressFit rotary encoder:
Reliable and automated mounting

A tolerance sleeve is inserted into a precise circular hole in the motor housing. The encoder, with its PressFit flange, is then pressed inside to create a friction fit. Finally, a single central screw fastens the encoder to the motor shaft. This process saves space, permits automated assembly, and allows assembly monitoring via force measurement. These are key benefits of the ECI 1119 PressFit (singleturn) and EQI 1131 PressFit (multiturn) rotary encoders.

The benefits:

  • Automatable mounting
  • Faster installation
  • Wide mounting tolerances

HEIDENHAIN ECN 1325 and EQN 1337: optical rotary encoders with the EnDat 3 interface

With the recent arrival of the HMC 2 hybrid motor cable, the third generation of the EnDat interface has entered the stage. The ECN 1325 and EQN 1337 optical rotary encoders offer space-saving, cost-effective, and high-performance position measurement on the order of angular seconds. The mechanical design of these EnDat 3 rotary encoders is compatible with that of the EnDat 2 devices. Motor manufacturers can now seamlessly transition to the HMC 2 single-cable solution and the EnDat 3 interface technology at any time. And thanks to standardized cable and connector technology, making this transition can save significant time and money. As with all EnDat encoders, the new generation provides all of the necessary information for easy initial setup, monitoring, and diagnostics.

RENCO: the new generation of rotary encoders for stepper and BLDC motors

The new R35i and R35iL encoders from RENCO are incremental rotary encoders without integral bearings. Featuring resolutions of up to 40 000 measuring steps per revolution, they are the ideal feedback systems for stepper motors in closed loop operation and for exact position measurement in measuring machines such as laser scanners.

‍Strengths and beneifts:

  • Quick and easy installation thanks to an intergral mounting aid
  • Electronic adjustment of the motor commutation signals at the press of a button
  • Safe and reliable operation thanks to monitoring and diagnostic functions never before implemented as such in incremental rotary encoders
  • Exact measurement of the rotor position for BLDC motors and highly accurate delivery of the UVW track sequence for commutation in motors with up to 32 motor pole pairs

For extremely limited installation space, RENCO offers the R35iL. It is one of the smallest rotary encoders currently on the market, with a profile of just 8.6 mm.

Robust and versatile solutions from AMO for large axes and long measuring lengths

A modular design enables a wide variety of integration options for the inductive angle and linear encoders from AMO. These encoders are ideal for specialized applications such as large axis diameters, long travel lengths, and harsh ambient conditions.

  • Highly versatile mechanical design
  • High accuracy and signal quality
  • Extremely forgiving of contamination
  • Long service life thanks to zero wear

RSF: modular encoders for maximum flexibility

Thanks to their modular design, solutions from RSF offer maximum flexibility for integrating linear and angle encoders into your systems. This includes a large number of interfaces to all common numerical controls, as well as a variety of mechanical designs. You also benefit from wide mounting tolerances and convenient encoder installation.

  • The modular MCR 15 (absolute) andMSR 15 (incremental) angle encoders, with scale drum diameters ranging from 50 mm to 350 mm, can be used in many applications for motor position and speed control, including metrology applications.
  • The MC 15 absolute exposed linear encoder makes exact positioning possible in measuring steps of down to 50 nm for measuring lengths of up to 10 000 mm, without needing a reference run.
  • The MS 15 exposed linear encoder lets you put together solutions perfectly matched to your needs thanks to a modular system with up to 20 000 mm-long graduation carriers and scanning heads with measuring steps ranging from 10 µm to 50 nm. Further convenience comes from the encoder's optical homing and limit functions, which can be integrated within the width of the scale.

NUMERIK JENA: linear measurement in tight spaces

With its LIKgo and LIKselect encoders, NUMERIK JENA is offering two new exposed linear encoders specifically designed for limited installation space and high accuracy requirements. 

The stardard-level LIKgo features the essential characteristics needed for electronics industry applications with limited integration space:

  • A small and lightweight scanning head measuring only 28 mm x 13 mm x 7.5 mm and weighing only 10 g
  • Newly developed two-field scanning for excellent accuracy, with a 20 µm grating period and measuring steps of down to 78.125 nm, as well as high signal quality and resistance to contamination
  • Direct output of the interpolated TTL signals from the scanning head without additional electronics and without phase or offset errors
  • Convenient and intuitive installation thanks to wide tolerances
  • Electronic signal adjustment for optimizing the system stability

The new LIKselect supplements the characteristics of the LIKgo with a customer-specific design, bringing the advantages of the Kit L series from NUMERIK JENA to the new generation of LIK linear encoders. The highly configurable LIKselect encoders are ideal for applications with unqiue requirements.

LIC 3100: exposed linear encoder from HEIDENHAIN for highly dynamic axes

The LIC 3100 series is joining the range of existing LIC 4000 and LIC 2000 exposed absolute linear encoders. The LIC 3100 combines very small measuring steps of just 10 nm with axis speeds of up to 600 m/min, delivering high dynamic performance and high-accuracy position measurement for linear axis lengths of up to 10 m.

A large scanning field makes the LIC 3100 highly resistant to contamination. Localized impurities on the measuring standard have minimal effect on the signal quality and measurement reliability. Thanks to their dynamic performance, long measuring lengths, and robustness, the LIC 3100 exposed linear encoders are extremely versatile, bringing the benefits of LIC encoders to even more applications.

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