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A6370 Overspeed Protection Monitor

The A6370 Monitor is part of the AMS 6300 SIS Overspeed protection system and is mounted in a 19” rack (84HP width and 3RU height) in combination with the A6371 system backplane. One AMS 6300 SIS consists of three Protection monitors (A6370) and one backplane (A6371).

The system is designed for use with Eddy-Current sensors, Hall- Element sensors and Magnetic (VR) Sensors. Sensor Voltage Supply Nominal supply voltage -24.5 V ±1.5V DC Short-circuit proof, galvanically seperated Max. Current 35 mA Signal Input, Eddy current & Hall element Sensors Input signal voltage range 0 V to 26 V (+/-) Protected against reverse polarity Limit range ± 48 V Frequency range 0 to 20 kHz Input resistance Typical 100 kΩ Signal Input, Magnetic (VR) Sensors Input signal voltage range Min. 1 Vpp, max. 30 V RMS Frequency range 0 to 20 kHz Input resistance Typical 18 kΩ Digital Input (Backplane) Number of Inputs 4 (galvanically separated with common ground of all digital inputs) (Test Value 1, Test Value 2, Enable Test Values, Reset Latch) Logic low level 0 V to 5 V Logic high level 13 V to 31 V, open Input Resistance Typical 6.8 kΩ Current Output (Backplane) Number of Outputs 2 Electrically isolated with common ground Range 0/4 to 20 mA or 20 to 4/0 mA Accuracy ±1% of full scale Maximum load <500 Ω Max. output current 20 mA