SIRIUS®
5.14 HD-ACC
5.14.1 HD-ACC Specifications
Inputs Voltage, IEPE, current (ext. Shunt)
ADC Type
24bit delta-sigma with 100 kHz/5 kHz anti-aliasing filter (5.2.1 SIRIUS® Dual Core series:
High Dynamic (up to 160 dB) page 49)
Sampling Rate Simultaneous 200kS/sec
Ranges ±10 V ±5 V ±1 V ±200 mV
Gain accuracy ±0.05% of reading
Offset accuracy ±2 mV ±1 mV ±0.2 mV ±0.1 mV
Typ. Dynamic Range@10kS 137 dB 137 dB 137 dB 131 dB
Typ. SNR@10kS 109 dB 109 dB 108 dB 102 dB
Typ. CMR @ 400 Hz (1kHz) 140 dB (120 dB)
Gain Drift Typical 10 PPM/K, max. 30 PPM/K
Offset Drift Typical 0.3 μV/K + 5 ppm of range/K, max 2 μV/K + 10 ppm of range/K
Gain Linearity <0.02%
Inter Channel Phase-mismatch 0.02° * f
in
[kHz] + 0.1° (@ 200 kS/sec and 10 V Range)
Channel Cross talk 150 dB @ 50Hz; 140 dB @ 1kHz
Input Coupling DC, AC 0.1 Hz, 1 Hz (3 Hz, 10 Hz per SW)
Input Impedance 1 MΩ (270 kΩ for AC coupling ≥ 1 Hz) in parallel with 100 pF
Over-voltage Protection
In+ to In-: 50 V continuous; 200V peak (10msec)
In- to GND (differential version): 3 Volt
IEPE mode
Excitation 4, 8 or 12 mA
Compliance voltage 22 Volt
Output Impedance > 100 kΩ
Sensor detection Shortcut: < 4 Volt; Open: > 10 Volt
Additional Specifications
Input connector BNC
TEDS support
IEPE mode only
Table 23: SIRIUS-HD-ACC specifications
5.14.2 HD-ACC BNC
Illustration 137: SIRIUS-HD-ACC: pin-out
(BNC)
Illustration 138: SIRIUS
i
16xHD-ACC
Page 98/166 www.dewesoft.com Doc-Version: 1.4.2
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