Incremental encoder with solid shaft and synchro flange. Catalogue number 2254412 The main characteristics of OG 71DN 256 C1: Size (flange): ø58 mm; Shaft type: ø6 mm solid shaft; Voltage supply 9...26 VDC; Pulses per revolution 256 ppr; Reference signal: Zero pulse, width 90°; Protection DIN EN 60529: IP 66; Operating speed ≤10000 rpm (mechanical); Material Housing: aluminium die-cast; Shaft: stainless steel; Operating temperature -20...+85 °C.