Counter/Timer/Tachometer  Adding/subtracting via 2 separate inputs  Batch controller with 2 pre-selections  2 potential-free optocoupler outputs  Easy-to-read 2-line LCD display, color, with icons for the displayed preselection and the status of both outputs  Multicolor display  Display range and preselection range from -999999 up to 999999 Overflow will be evaluated correctly up to 1 decade  PNP and NPN sensors can be connected  Degree of protection IP65 (front only)