Sensors & Transducers


Encoders with Ethernet interfaces

March 2011 Sensors & Transducers

Baumer’s 20 years of fieldbus encoder expertise provides users with an encompassing encoder portfolio supporting all industry-standard Ethernet interfaces: EtherCAT, Profinet and Ethernet Powerlink as well as Ethernet/IP. Ethernet capable absolute single and multiturn encoders are available as solid or hollow shaft designs in every conventional configuration. Depending on the application, users can select between magnetic or optical sensing. Magnetic sensing is the method to choose for encoder environments with dust, dirt, moisture, shock and vibration. When it comes to demanding high-precision requirements, optical encoders play to their strengths.

Absolute encoders can handle speeds up to 10 000 rpm and are available with several resolution options: Maximum 14 bits single-turn and up to 29 bits (gearless) multiturn. Multiturn encoders where the bus interface electronics comes as a separate component provide the ultimate degree of flexibility in versatile applications. The basic encoders can be combined with several interfaces to reduce inventory and product variety and to enhance flexibility. Presently Baumer is elaborating on the integration of safety technologies such us CANopen Safety and Profinet Safety. Absolute encoders with industry-specific protocols such as CANopen Lift have proven themselves for many years in the lift and elevator industry.



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