11-pin plug-in.Fail-to-safe design.Programmable for overspeed or underspeed monitoring.Programmable speed ranges: 10RPM to 10 000RPM.Speed setpoint adjustable on calibrated scale (10 to 100%).Pulse frequency to current conversion (0-1mA).Direct interface with Rhomberg & other Namur two-wire proximity sensors.Low power sensor signal to DIN 19234.Sensor or cable fault indication.Fixed start-up delay 10 sec.LED indication of Sensing, Relay ON and cable fault.10A SPDT relay output.Requires optional S3-B 11-pin base