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2-year Warranty

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Siemens 6SL3055-0AA00-5HA3

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DESCRIPTION: S120 Drive System External Sensor Module 

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2 Year warranty

Part Number6SL3055-0AA00-5HA3
Model #6SL30550AA005HA3
Warranty2 Year
SystemS120 Drive
ApplicationIncremental encoder
Incremental encoderSIN/COS 1VPP

Our Repair Services

MRO Electric repairs CNCs, PLCs, Servo/Spindle Drives, Motors, Amplifiers, VFDs, HMIs, and more, most of which can be repaired in only 3-5 days.

Repair Benefits

MRO can restore your failed 6SL3055-0AA00-5HA3 to remanufactured condition and save you up to 75% compared to buying new. We offer standard repair pricing to ensure you the best value for your repair.

Our certified technicians use rigorous testing procedures to ensure your parts are restored to fully functioning condition. Our team proudly stands behind all repairs by providing a minimum 2-year warranty.

Our technicians have vast experience with most manufacturers and models. In addition to this 6SL3055-0AA00-5HA3 we also repair a wide range of other Siemens products, so if you don’t see the model you need, please contact us.

Core Exchange

If you are interested in getting credit for your faulty 6SL3055-0AA00-5HA3, just let us know, and we can issue you an RMA to send it in as an exchange. Our exchange program provides you with savings and keeps us stocked for the next time you need anything.

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Ask about exchanging your faulty 6SL3055-0AA00-5HA3 for credit when ordering from MRO Electric

MRO Electric provides a 2-year warranty on every item we sell and repair. We stand behind all of our products and guarantee them for the full 2 years. If there is an issue with any of our products within the warranty period, we will evaluate the unit and repair or replace it under warranty.

Siemens 6SL3055-0AA00-5HA3 Overview

Siemens products are manufactured in Germany and are designed for Automotive, aerospace, power generation, and electronics usage. They come with a 2-year warranty from MRO Electric. We also carry Encoders from other manufacturers such as FANUC and Yaskawa.

Siemens 6SL3055-0AA00-5EA3 SMC20 Sensor 

The 6SL3055-0AA00-5EA3 Sensor Module Cabinet-Mounted SMC20 by Siemens is an advanced device that plays a pivotal role in the seamless exchange of crucial data, evaluating encoder signals with precision and transmitting vital information to the Control Unit.

Versatile Compatibility

At its core, the SMC20 serves as a critical bridge between the encoder and the Control Unit, ensuring the efficient flow of essential data. Its primary function is to evaluate encoder signals accurately and transmit critical information, including speed, actual position value, rotor position, motor temperature, and reference point. This transmission occurs through the renowned DRIVE-CLiQ communication protocol, ensuring seamless integration with Siemens' control systems.

Encoder Compatibility

One of the standout features of the SMC20 is its remarkable versatility when it comes to compatible encoders. It is engineered to evaluate signals from both incremental encoders with SIN/COS (1 Vpp) and absolute encoders with EnDat 2.1 or EnDat 2.2. This adaptability underscores its suitability for a wide range of applications across various industries.

Precision with SIN/COS Signals

The utilization of SIN/COS signals with a 1 Vpp format underscores the SMC20's commitment to accuracy. This format, short for Sine and Cosine signals with 1 Volt per Peak-to-Peak, is renowned for its precision in encoding angular position and speed. Industries that demand high accuracy, such as aerospace, medical devices, and robotics, can confidently rely on this sensor module to provide trustworthy data.

Rugged Protection (IP67)

Protection is paramount in industrial settings, and the SMC20 doesn't fall short in this regard. It boasts an IP67 protection rating, signifying that it is dust-tight and can withstand immersion in water up to 1 meter in depth for a limited time. This level of protection ensures the sensor module's durability and reliability even in harsh and demanding environments, including outdoor installations.

Cable Flexibility

One noteworthy aspect to consider is the absence of a DRIVE-CLiQ cable in the package. Far from an oversight, this design choice provides flexibility to users, allowing them to select the most suitable cable length and configuration for their specific installation requirements. Siemens' commitment to adaptability is evident in this choice.

Intelligent Data Relay

The SMC20 Sensor Module Cabinet-Mounted is not merely a data relay; it is an intelligent component that enhances the overall efficiency and performance of the system. Transmitting real-time data about the motor temperature helps prevent overheating and subsequent damage to the equipment. This proactive approach to maintenance can significantly reduce downtime and enhance the longevity of machinery.

Reference Point Communication

Additionally, the SMC20 can seamlessly communicate the reference point to the Control Unit. This reference point serves as a critical marker in the control system, aiding in tasks such as homing and ensuring precise positioning. The ability to relay this information seamlessly contributes to the overall accuracy and reliability of the automation system.


In conclusion, the 6SL3055-0AA00-5EA3 Sensor Module Cabinet-Mounted SMC20 by Siemens stands as a sophisticated and versatile component in the world of industrial automation and control systems. With its ability to evaluate encoder signals from various sources, precision in data transmission, robust protection, and intelligent features, it exemplifies Siemens' commitment to excellence in industrial automation. This sensor module plays a pivotal role in ensuring the smooth and reliable operation of machinery and automation systems across a wide range of industries.

Contact Us Today For More Information About Siemens Products

Check out the rest of our Siemens product line. Whether it's using our online instant quote feature, giving us a call at (800) 691-8511, or emailing us at, we strive for customer satisfaction first. This means lower prices and better service for you. For more products like 6SL3055-0AA00-5HA3, take a look at more from our Encoders line. If your current unit has gone bad, take advantage of our Core Exchange program for the most inexpensive route. You can learn more about this program on our FAQ page here. We offer a repair service on all of our 6SL3055-0AA00-5HA3 products that keep your downtime to a minimum. To stay up to date on manufacturer news, as well as access any of our datasheets, manuals, or other documentation, we suggest you take a look at our blog.

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I needed a special drive, found it, and I was quickly assisted by Joe Kaminski. Everything was exactly as it should be....


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