Encoders & Tachos

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Heavy-duty, high-accuracy encoders and tachogenerators | Rotary, Angle & Linear

In any system where precise control matters, whether it’s a CNC mill, a lift system, or a high-end robotic arm, accurate feedback is a non-negotiable. That’s exactly the job of encoders and tachogenerators.

 

Encoders translate motion into electrical signals, giving you exact positional data. Tachos (or tachogenerators), on the other hand, measure shaft speed by generating a voltage that rises or falls in direct proportion to how fast the motor is turning.

 

Between them, they give engineers and operators the insight needed to run equipment reliably, smoothly, and with pinpoint precision.

 

 

FCR Motion’s Range of Encoders & Tachos

At FCR Motion, we work with brands we’d trust on-site. We supply Heidenhain encoders, some of the best you’ll find in the industry, along with Radio Energie tachogenerators, known for their solid construction and long-standing reliability.

 

Whether you need something compact for a tight installation or something heavy-duty that’ll handle rough conditions, we’ll help you find the right fit.

 

Heidenhain Rotary Encoders

These are your go-to for rotational position feedback. You’ll find them in everything from servo motors to robotic arms. 

Heidenhain’s rotary encoders deliver: 

 

        • High-resolution outputs for pinpoint accuracy
        • Absolute or incremental formats
        • Compact designs, easy mounting
        • Shaft and hollow-shaft options

What sets these apart is their ability to keep performing in tough industrial environments, whether it’s heavy vibration, speed, or heat. Rest assured, you’ll get reliable readings without any unwanted errors. 

 

Heidenhain Angle Encoders

For setups where angular positioning needs to be precise, like indexing tables, metrology equipment, or telescope systems, angle encoders are the go-to.

Heidenhain’s angle encoders are renowned for:

 

        • Ultra-high resolution, down to the arcsecond
        • Minimal mechanical play (backlash)
        • Designed to work with direct-drive motors
        • Clean integration with control systems via EnDat interface

You’ll find these used in defence, aerospace, and research setups where absolute accuracy isn’t optional. 

 

Heidenhain Linear Encoders

Need precise linear position feedback? Heidenhain’s linear encoders are purpose-built for the task, ideal for CNC machines, high-end milling systems, and inspection equipment. Key features include:

 

        • Both enclosed and open/exposed models
        • Stable readings across temperature changes
        • High resistance to dust, oil, and general contamination
        • Available in long measurement lengths

These are widely considered the benchmark in high-performance linear feedback, especially in Australian manufacturing, where harsh conditions are common.

 

Radio Energie Tachogenerators 

If you’re working with DC motors or legacy control systems, you’re likely familiar with Radio Energie. Their DC tachogenerators have been a reliable choice across heavy industry for decades. 

Key features include:

 

        • Voltage output directly matches RPM
        • Built for rugged environments, dust, oil, vibration, you name it
        • Wide speed range and multiple mounting styles available
        • Reliable signal stability, no digital conversion headaches

Even with digital tech dominating the market, these still have a place, especially in legacy setups or applications where analogue is just simpler.

 

 

Encoders & Tachos Applications

These components are found across a range of industries, supporting critical motion control applications wherever precision and reliability are required:

 

        • Mining: Used in crushers, hoists, and conveyors for speed control and load tracking.
        • Manufacturing: Found in robotics, CNC machines, and automated pick-and-place lines.
        • Utilities: Vital for valve control and pump systems in power and water treatment plants.
        • Construction: Motion control in cranes, lifts, and automated rig systems
        • Aerospace: Precision movement in simulation rigs, testing equipment, and guidance systems.
        • Medical & Research: Feedback for lab machinery, scanning instruments, and imaging systems. 

Simply put, if a system has a movement, there’s probably an encoder or tacho monitoring it.

 

 

Contact FCR Motion for Your Next Encoders & Tachos Solution 

In need of an encoder or a tacho or both? Visit our website to browse our catalogue today. Explore specific models, each designed for a variety of applications.

Need help choosing between absolute and incremental? Want to retrofit a modern encoder into an older machine? Give us a call or send through a quick enquiry, and we’ll guide you through it.

Frequently Asked Questions (FAQs)

If you’ve got a question about our mechanical engineering products, we’ve got you covered. If you can’t see what you’re looking for in our frequently asked questions, give us a call or flick us through a message.

Yes. Many of the models we stock are rated for use in tough conditions, which include vibration, temperature shifts, and exposure to dust or moisture.

Absolutely. A lot of newer drives still accept analogue inputs, and many can be configured to work with DC tachos.

Yes, especially in setups that still run DC drives or analogue control systems. They’re simple and give you a clean voltage output that scales with speed.

Heidenhain rotary and linear encoders are built to cope with fast-moving machinery. High-resolution outputs stay consistent even under vibration or high RPM. Let us know your speed requirements, and we’ll match a model to suit.

Incremental encoders give you movement data relative to a start point. Absolute encoders remember exact positions, even after power is cut. If your system needs to know its position at all times (e.g., for safety or rebooting), go absolute.

Yes, we have a Radio-Eenergie DC Tachogenerator or RE.0444 model.

Yes, our Heidenhain Encoders are available as absolute or incremental.

Yes, we offer Heidenhain Encoders, which can be installed on your motor. Alternatively, we can supply motors fitted with encoders.

CONTACT US

Do you want to know more about our products or services? Or want to chat about how we can support your business? We're here to help. You can send us an enquiry or give us a call.

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