September 12, 2013 - HEIDENHAIN released ECI 1319 and EQI 1331 inductive, safety-related rotary position encoders. The ExI 13xx series rotary encoders provide a single encoder safety solution for many applications such as packaging, automation, and robotics. 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 the ECI and EQI encoders showcase improved vibration specifications (400 m/s2 stator and 600 m/s2 rotor), as well as a more durable multi-turn gearbox.
These encoders also support the advantages of previous bearingless, inductive encoders, including non-contact design, resistance to contamination, no mechanical self-heating, and reduced sensitivity to radial runout. Along with these advantages, the ExI 13xx encoders offer a host of additional safety-related functions. However, these functions 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.

