DEWESOFT IOLITE, Техническое справочное руководство

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IOLITE®
TECHNICAL REFERENCE MANUAL
5.10. ACC: Accelerometer
IOLITEi-1xACC is a single channel signal conditioner for IEPE sensors with high-precision isolated front
end and EtherCAT bus on the back side.
IOLITEi-1xACC Front
5.10.1. ACC: Specifications
Analog inputs
Input types Voltage, IEPE
Number of channels 1
Input connector BNC
ADC Type 24-bit SAR with anti-aliasing filter
Sampling Rate 40 kS/s
Voltage Ranges ±10 V ±5 V ±1 V ±200 mV
Typ. Input Accuracy ±0.03 % of reading ±0.02 % of range ±0.1 mV
Typ. SNR (10 kS/sec, -1 dBFS sine
wave @ 1 kHz)
90 dB 90 dB 89 dB 88 dB
Type. SFDR (10 kS/sec, -1 dBFS sine
wave @ 1 kHz)
113 dB 110 dB 109 dB 106 dB
Typ. Noise floor @ 10 kS/sec -100 dB -99 dB -99 dB -98 dB
Typical CMR @ 400 Hz / 1 kHz 130 dB / 120 dB 122 dB / 119 dB 104 dB / 97 dB 90 dB / 84 dB
Gain Drift typ. 10 ppm/K (max. 40 ppm/K)
Offset Drift typ. 0.3 μV/K + 5 ppm of range/K (max. 2 µV/K + 10 ppm of range/K)
Gain Linearity < 0.02 %
Input Coupling DC, AC 0.1 Hz, 1 Hz
Input Impedance 1 MΩ
Overvoltage Protection In+ to In-: 50 V continuous, 200 V peak (10 msec)
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