This document provides specifications for the ROTACOD HMx58x EC series of absolute encoders with Ethercat interface. It lists environmental specifications such as operating temperature range from -25°C to 85°C and IP65 protection. Mechanical specifications include shaft diameters from 6 to 15 mm, shaft speeds up to 6000 rpm, and bearing life of 400 million revolutions minimum. Electrical specifications include +10 to +30V power supply, 2.2W max power, 150 kHz max counting frequency, and EtherCAT interface. Materials include housings made of non-corroding AW-6082 aluminum, stainless steel shafts, and GaAI diode light sources. Accessories such as flexible couplings and cables