A6370 Overspeed Protection Monitor
The A6370 monitor is part of the AMS 6300 SIS overspeed protection system and is mounted in a 19-inch rack (84HP wide, 3RU high) with the A6371 system backplane.
An AMS 6300 SIS consists of three protection monitors (A6370) and one backplane (A6371).
The system is designed for eddy current sensors, Hall element sensors, and magnetic (VR) sensors.
Sensor Supply Voltage
Nominal Supply Voltage -24.5 V ±1.5 V DC Short-Circuit Proof, Galvanic Isolation
Maximum Current Current 35 mA
Signal Inputs, Eddy Current and Hall Element Sensors
Input signal voltage range 0 V to 26 V (+/-) Reverse polarity protection
Limit range ± 48 V
Frequency range 0 to 20 kHz
Typical input resistance 100 kΩ
Signal input, magnetic (VR) sensors
Input signal voltage range min. 1 Vpp, max. 30 V RMS
Frequency range 0 to 20 kHz
Typical input resistance 18 kΩ
Digital inputs (backplane)
Number of inputs 4 (galvanically isolated All digital inputs All digital inputs)
(test value 1. test value 2. enable test value, reset latch)
Logic low 0 V to 5 V
Logic high 13 V to 31 V, open circuit
Typical Input Resistance 6.8 kΩ
Current Outputs (Backplane)
Number of Outputs 2 Galvanically isolated, common ground
Range 0/4 to 20 mA or 20 to 4/0 mA
Accuracy ±1% of full scale
Maximum load <500 Ω
Maximum output current Output current 20 mA
Digital outputs (backplane)
Number of outputs 7 (short-circuit proof) Outputs 1 to 6. channel Ok (COK)
Logic low < 100 mV
Logic high -2 V System supply voltage
Maximum current Current 25 mA
Pulse outputs (backplane)
Number of outputs 3 Open collector-emitter, current limited, www.abb-drive.com galvanically isolated
Maximum Voltage Voltage 31.2 V
Maximum Current Current 16 mA @ 24 V
Frequency range 0 to 20 kHz
Pulse outputs (front panel)
Number of outputs 1 (short-circuit proof)
Voltage 0 to 5 V TTL- signal
Frequency range 0 to 20 kHz
Typical output impedance 10 kΩ
Sensor output (front panel)
Number of outputs 1 (short-circuit proof)
Voltage 0 to 3.9 V Factor 0.15 ± 3
Frequency range 0 to 20 kHz
Typical output impedance 10 kΩ
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