DEWESOFT IOLITE - ACC: Accelerometer; ACC: Specifications

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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