This document describes the application of SAV 876.02 control units and Umpol control unit type SF-CE. They are used to switch DC magnets in conjunction with the SAV 876.10 electronic reversing controller. The control is done through yellow and green foil buttons for switching on and yellow and red foil buttons for reversing. The selected holding force can be adjusted in 8 levels. Any detected malfunctions are indicated through the red foil button with coded blinking signals. The document also mentions the use of auxiliary contacts and signal lamps to comply with safety regulations.
