Baumer encoders: the best decision for heavy industry


01.03.2018

Baumer encoders are integral to the success of heavy industry, where precision and reliability are paramount. Encoders play a crucial role in converting mechanical motion into precise electrical signals, enabling accurate control and monitoring of machinery. In heavy industry, where equipment operates under extreme conditions, the need for durable, high-performance encoders is essential. Baumer encoders stand out as the best solution, offering unmatched accuracy, durability, and adaptability. They ensure that critical processes in industries like mining, manufacturing, and energy production run smoothly, reducing downtime and enhancing operational efficiency. Baumer's commitment to quality makes their encoders the ideal choice for demanding industrial environments.

Types of encoders and their applications

Leading automation technology company Baumer provides a wide selection of encoders that are intended to detect linear displacement or angular position precisely. 
Here's a brief overview of the main types of Baumer encoders:
  • Absolute Encoders: These encoders provide a direct digital readout of the shaft's position, regardless of its starting point. 
  • Incremental Encoders: As the shaft rotates, these encoders produce pulses that convey relative position data. 
  • Explosion-Proof Encoders: Designed for hazardous environments, these encoders are constructed with robust housings to prevent ignition. 
  • Tachogenerators and Resolvers: Measuring Rotational Speed and Position 

Absolute Encoders 

Absolute encoders are high-precision devices that provide a direct digital readout of the shaft's absolute position. Absolute encoders can immediately determine their position upon power-up.
Absolute Encoders
Technical Characteristics
  • Digital Interfaces: SSI, BiSS, CANopen, Profibus, PROFINET, EtherCAT, EtherNet/IP.
  • Housing Sizes: Compact designs ranging from 28 mm to 58 mm.
  • Material: Options include aluminum and stainless steel.
  • Resolution: Up to 13 bits for singleturn and up to 16 bits for multiturn.
  • Accuracy: Optical encoders up to ±0.01°, magnetic encoders up to ±0.15°.
  • Speed: Maximum operating speeds up to 6000 rpm.
  • Protection Ratings: IP54, IP65, and higher for dust and water resistance.
  • Temperature Range: From -25°C to +85°C, with extended ranges available.
  • Industry 4.0 Ready: Advanced connectivity options for smart factory applications.
  • Redundant Variants: Available for critical applications requiring high reliability.
Advantages of Absolute Encoders
  • High Accuracy
  • Eliminates Homing
  • Immediate Position Feedback
  • Enhanced Reliability
  • Versatility
Applications of Absolute Encoders
Absolute encoders are widely used in industries where precise positioning is critical. Some common applications include:
  • CNC Machining: Ensuring accurate tool positioning for precise machining operations.
  • Robotics: Controlling the movement of robotic arms and joints for tasks such as assembly and material handling.
  • Motion Control Systems: Giving servo motors and other motion control applications accurate position feedback.
  • Automation Equipment: Controlling the positioning of various components in automated systems.
  • Medical Devices: Used in medical equipment such as surgical robots and diagnostic devices for precise positioning and control.
  • Factory Automation: Controlling the movement of machines and equipment in manufacturing processes.
Absolute encoders offer a reliable, accurate, and versatile solution for various industrial applications that require precise position measurement and control. Their ability to provide immediate position feedback and eliminate the need for homing makes them a valuable choice for engineers and system designers.

Incremental Encoders

One kind of position sensor that produces pulses while the shaft rotates is an incremental encoder. The linear distance traveled or the angular displacement can be ascertained using these pulses. To determine a beginning location, incremental encoders need a homing sequence or reference point.
Technical Characteristics
  • Housing Sizes: Compact designs ranging from 24 mm to 85 mm.
  • Resolution: Up to 65,536 pulses per revolution (ppr) for optical encoders.
  • Accuracy: Optical encoders up to 30 arcseconds.
  • Speed: Maximum operating speeds up to 12,000 rpm.
  • Output Frequency: Up to 300 kHz.
  • Voltage Supply: 5 VDC ±10%, 10…30 VDC.
  • Output Signals: HTL, TTL, SinCos, quadrature, pulse & direction, index.
  • Output Stages: Line driver/RS422, push-pull short-circuit proof.
  • Protection Ratings: IP42, IP64, and higher for dust and water resistance.
  • Temperature Range: From -20°C to +85°C.
  • Vibration Resistance: Up to 10 g.
  • Shock Resistance: Up to 50 g.
Incremental Encoders
Advantages of Incremental Encoders
  • Cost-Effective
  • High Resolution
  • Robust Construction
  • Wide Range of Applications
Applications of Incremental Encoders
  • Motor Control: Controlling the speed and position of motors in various industrial processes.
  • Speed Measurement: Measuring the rotational speed of shafts and other moving components.
  • Positioning Systems: Accurately positioning components in various industrial machines and equipment.
  • Robotics: Controlling the movement of robotic arms and joints.
  • Factory Automation: Measuring the position and speed of machines and equipment in manufacturing processes.
  • Machine Tools: Controlling the movement of machine tool components, such as spindles and tables.
For position measurement in a variety of industrial applications, incremental encoders provide a dependable and adaptable option. They are a preferred option for engineers and system designers due to their affordability, resilience, and high resolution.

Functional safety encoder

Position sensors that have been specifically engineered to be safe for use in potentially dangerous situations where explosive gasses or dusts may be present are known as explosion-proof encoders. To stop the surrounding air from igniting, these encoders are built with sturdy housings and seals.

Functional safety encoders

Technical Characteristics

  • Resolution: Up to 5000 pulses per revolution (ppr).
  • Speed: Maximum operating speeds up to 6000 rpm.
  • Output Frequency: Up to 300 kHz.
  • Voltage Supply: 4.75…30 VDC.
  • Output Signals: Push-pull short-circuit proof, RS422.
  • Output Stages: Line driver/RS422, push-pull.
  • Protection Ratings: IP67 for dust and water resistance.
  • Temperature Range: Operating temperatures from -20°C to +70°C.
  • Explosion Protection: Certified for Ex II 2G Ex d IIC T4/T6 and Ex II 2D.
  • Shock Resistance: Up to 300 g, 1 ms.
  • Vibration Resistance: Up to 10 g.
  • ATEX Certification: Suitable for use in potentially explosive environments (Zone 1 for gas, Zone 21 for dust).
  • Robust Design: Designed to withstand harsh industrial conditions.

Advantages of Explosion-Proof Encoders

  • Safety
  • Reliability
  • Compliance
  • Versatility

Applications of Explosion-Proof Encoders

Explosion-proof encoders are commonly used in industries where hazardous materials are present:

  • Oil and Gas: Measuring the position of valves, pumps, and other equipment in oil and gas facilities.
  • Chemical Processing: Monitoring the position of components in chemical plants and refineries.
  • Mining: Measuring the position of machinery and equipment in underground mines.
  • Pharmaceutical Manufacturing: Controlling the movement of equipment in pharmaceutical production facilities.
  • Power Generation: Monitoring the position of components in power plants.

In dangerous locations, explosion-proof encoders are crucial parts that offer dependability and safety while guaranteeing adherence to industry standards. They are appropriate for many different applications because of their resilience and adaptability.

Tachogenerators and Resolvers

Tacho generators and resolvers are two common types of sensors used to measure rotational speed and position. They are widely employed in various industrial applications, from motor control to robotics.
Tacho Generators
A tacho generator is a kind of electrical generator that generates an output voltage in direct proportion to the shaft's rotational speed. Mechanical energy is transformed into electrical energy for it to function.
Tachogenerators and Resolvers
Advantages:
  • Simple construction and operation
  • Reliable and durable
  • Wide range of operating speeds
Applications:
  • Motor control
  • Tachometers
  • Speed measurement
  • Automotive applications
Resolvers
A resolver is a type of analog position sensor that provides a sinusoidal output signal representing the angular position of its shaft. It consists of a stator winding and a rotor winding.

Advantages:
  • High accuracy and precision
  • Robust construction
  • Suitable for high-speed applications
Applications:
  • Servo drives
  • Motion control systems
  • Robotics
  • Aerospace applications
Both tacho generators and resolvers are reliable and accurate sensors for measuring rotational speed and position. The choice between the two depends on the specific application requirements and the desired level of precision.

Advantages of Baumer Encoders 

Baumer encoders are a great option for a variety of industrial applications because of their precision, dependability, and adaptability. Here are some key reasons to consider Baumer encoders:
  • High Accuracy: Baumer encoders provide exceptional accuracy, ensuring precise positioning and control in even the most demanding applications.
  • Durability: Designed to withstand harsh industrial environments, Baumer encoders are built to last.
  • Versatility: Baumer offers a wide range of encoder types, including absolute, incremental, and explosion-proof, to suit different needs.
  • Reliability: Baumer's commitment to quality ensures consistent performance and minimal downtime.
  • Global Presence: Baumer has a strong global presence, providing reliable support and service worldwide.
  • Customization Options: Baumer can often customize encoders to meet specific application requirements.
  • Reliable supplier: With years of experience in the industrial automation products market, Eltra Trade understands the unique requirements of its customers and provides exceptional support.
By choosing Baumer encoders, you can benefit from their superior performance, reliability, and adaptability, ultimately enhancing the efficiency and productivity of your industrial operations.
Conclusion
Baumer encoders are the best option for heavy industry applications because of their unmatched precision and dependability. Their sturdy construction and cutting-edge technology guarantee precise and effective machinery operation even in the most trying conditions. Baumer offers a variety of alternatives designed to satisfy the unique requirements of heavy industry, including absolute, incremental, and explosion-proof encoders. Baumer's dedication to quality and innovation makes them a reliable partner in the industrial automation industry, guaranteeing top performance in every process.
Discover a wide range of Baumer encoders at Eltra Trade. Exceptional service, worldwide delivery, and competitive prices. Contact us today to learn more and find the perfect encoder for your needs.