The H7CCAW is a versatile digital device that functions as a selectable 2-stage preset counter or tachometer. It supports a wide range of configurations, including total and preset counting, batch counting, dual counting, and twin counting. The unit operates on a 100 to 240 VAC power supply and features a selectable maximum counting speed of up to 10 kHz, with switchable NPN or PNP inputs. Control is provided via an SPDT contact output rated for 3A at 250 VAC, and it includes a 12 VDC external supply for sensors. Its robust feature set makes it ideal for various industrial automation applications requiring precise counting, speed measurement, and process control.