DNF Controls’ Tally Manager tally control system provides reliable and responsive tallying that is simple to setup, easy to use, and simple to maintain. Easily pass tallies between rooms, between floors, across campus buildings, to remote trucks, or around the world. Create complex and conditional tallies when on/off is not enough. Easily scale your system for special events. The tally control system is a specific combination of hardware and software from Flex Control Network®, DNF’s field proven, modular platform of professional IP based machine controllers.