With its new generation of inductive absolute rotary encoders, HEIDENHAIN has expanded the capabilities of its ECI/EBI 100 series. The preferred area of application covers demanding tasks, e.g. for hollow shaft motors and torque motors as well as for the limited installation space in modern machine designs. For these applications, the ECI 119 not only offers a singleturn resolution of 19 bits (524 288 positions/revolution), but also a compact design and functional reserves against contamination and the influences of mechanical loading.
The highlight of the expanded series is the EBI 135. Its battery-buffered revolution counter (16 bits) permits a total resolution of 35 bits in comparison to the 19 bits of the ECI 119 singleturn encoder. Its inductive scanning makes it a particularly sturdy encoder. Under normal operating conditions and an appropriately designed external battery power supply, a battery life of approx. 10 years is achievable. In addition, an optional external sensor can be connected and evaluated. The temperature value is transmitted over the EnDat 2.2 protocol.
The inductive absolute rotary encoders are available with hollow shaft diameters of 30 mm, 38 mm or 50 mm. The hollow shaft provides space for electric cables, shafts or supply lines. The electrical connection technology can be optimized with the new flange recess. In particular, where space is limited it permits electrical connection inside the encoder contour.