Offering 10 operating modes in one unit, Model 385AR series works with proximity switches, solid state devices, and potential-free contact encoders. Respective input speeds of 3 Hz, 30 Hz, and 5 kHz are standard, and unit incorporates 12 Vdc 30 mA sensor power supply with short circuit protection and options for front panel or remote reset. Supplied in 48 x 48 mm housing featuring 2 SPST (NO) 5 A @ 230 Vac contacts, unit offers dual setpoints, programmable input scaling, and batch counting.