The SFY Functional Safety SIL 3 capable Frequency-to-DC Transmitter with Display is part of Moore Industries’ FS Functional Safety Series. It monitors frequency, period, high or low pulse width, and contact closure signals and converts the input signal to a proportional, input-to-output isolated 4-20mA output ready for direct interface with a Safety System, readout instrument, recorder, PLC, DCS, SCADA system.