Heidenhain: SIL 3 Safety Encoders

The EQI 1331 rotary encoder has 19 bits of resolution in the single-turn range while tracking 4096 (12 bits) revolutions; the ECI 1319 is a single-turn encoder with 524,288 (19 bits) of resolution. Both have improved vibration specifications (400 m/s2 stator and 600 m/s2 rotor), as well as a more durable multi-turn gearbox. They also provide the advantages of previous bearingless, inductive encoders, including non-contact design, resistance to contamination, no mechanical self-heating, and reduced sensitivity to radial runout. The encoders offer additional safety-related functions that are available only with a safe control that supports the EnDat Safety Master, and can be implemented independently of the control-loop parameters. These safety measures work directly with a control's safety module.

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