Incremental HeavyDuty encoders

Tough where it’s rough, precise in performance

Unrivalled service life and reliability
Proven HeavyDuty design with double-sided bearing setup
Precise speed signals for improved process control and process quality
Minimizing time and cost-intensive downtime
Benefit from more than 60 years of experience of the world market leader

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Description
Additional information

Benefits

Robust mechanics, reliable electronics, easy installation: Our incremental HeavyDuty encoders reliably operate in 24/7 operation permanent under the toughest conditions. They make significant contributions to avoid failures and high standstill cost, and thus give a key contribution to the high availability of your machine or system.

Highest availability and unrivalled durability under harshest ambient conditions: Proven HeavyDuty design, double-sided bearing setup, HeavyDuty connection technology, highly robust sensing
Failure safety in any environment: Extremely durable aluminum or stainless steel housing, outstanding corrosion protection up to category CX (C5-M), long-term stable sealing concept, operating temperature up to -40 … +100 °C (as option -50 °C)
Efficient protection against bearing damage: Double-sided bearing setup (where possible), generously dimensioned bearings with large bearing spacing, high bearing load reserve for large radial / axial shaft loads, no inductive shaft currents due to hybrid bearings with ceramic balls
Improved control and process quality in the application: Interference-proof, precise sensing with Opto-ASIC, best electromagnetic compatibilty
Less drive heating and higher energy efficiency: Perfect sinusoidal signal quality by LowHarmonics® technology, SinCos signals with negligibly small harmonic component
Reliable signal transmission over long distances: Powerful output drivers for cable lengths up to 350 m (HTL-P) and 550 m (TTL), signal transmission via optical fiber up to 1500 m
Standard explosion protection: ATEX certification Ex II 3G / 3D for Zone 2 for almost all devices, versions with ATEX / IECEx certification Ex II 2G for Zone 1
Easy and flexible product selection: All common mounting types (hollow shaft, cone shaft, shaft with EURO flange B10), connection via terminal box / flange socket M23 / cable, output signals HTL-P / TTL/RS422 / SinCos 1 Vpp / optial fiber
Versatile designs and options: Redundant encoders, twin encoders, combinations with speed switch and tacho for special tasks and safety functions, special offshore variants, protection for salt water and tropical environment
Convenient diagnostics for higher availability: Continuous testing of numerous rotary encoder functions with function monitoring EMS, detection of connection errors already during assembly, shortening commissioning and error search

Applications

Incremental HeavyDuty encoders provide information on speed and angular position. Their resolution is expressed as the number of pulses (square-wave signals) and the sinusoidal (SinCos) signals per revolution, which the rotary encoder transmits to the controller with each revolution of its shaft. SinCos signals can be interpolated in a controller or in a controller to increase the resolution.

The upstream control identifies the current speed by the pulse numbers counted within a defined time period, while the current position information is identified by the counted pulses or SinCos periods, respectively. At system power-on, a reference travel is required since the encoder information may have been lost during power off and further to eliminate any incorrect result caused by any shaft rotation performed during power-off.

Incremental HeavyDuty encoders are designed for maximum robustness and durability, with enormous mechanical reserves to ensure reliable performance even in the harshest environments: