Frequency Converter with Direction and Synchronization Monitor KFU8-UFT-2.D.FA, Signal type, Signal Converters, 2-channel signal conditioner, Universal usage at different power supplies, Dry contact or NAMUR inputs, Input frequency 1 mHz ... 1 kHz, Current output 0/4 mA ... 20 mA, Relay contact and transistor output, Start-up override