HeavyDuty Blind Hollow Shaft Incremental Encoder with integrated programmable, Digital Speed Switch: Bore Dia. 16mm (16H7x53mm); Supply Voltage: 9-30 Vdc; Output Signals: HTL with Inverted Signals (6-Channels); 1024 ppr; Dust Protection; Connection: Terminal Cover; IP 66. Digital Speed Switch: 2 outputs, speed control and 1 control output.