SIRIUS®
5.17 HS-ACC / HS-ACC+
5.17.1 HS-ACC: Specifications
Inputs
Voltage, IEPE, current (ext. Shunt),
ACC+ only: counter, discrete
ADC Type
16bit SAR with 100kHz 5
th
order analogue AAF filter or bypass
(5.2.3 SIRIUS®-HS series: High speed and bandwidth page 49)
Analogue bandwidth 500 kHz
Sampling Rate Simultaneous 1 MS/sec
Voltage ranges ±10 Volt ±5 Volt ±1 Volt ±0.2 Volt
Input Accuracy ±0.05% of reading
Offset Accuracy ±2mV ±1mV ±0.2mV ±0.1mV
Typ. SNR @ 100kHz 89 dB 89 dB 86 dB 83 dB
Typ. CMR @ 50Hz/400Hz/1kHz 120 / 96 / 88 dB 126 / 100 / 92 dB 140 / 110 / 102 dB 140 / 118 / 110 dB
Gain Drift Typical 10 ppm/K, max. 30 ppm/K
Offset Drift Typical 0.5 μV/K + 10 ppm of range/K, max 3 μV/K + 20 ppm of range/K
Gain Linearity <0.02%
Inter Channel Phase-mismatch 0.02° * f
in
[kHz] + 0.1°
Channel Cross talk 120 dB @ 1kHz; 100 dB @ 10kHz
Input Coupling DC or AC (1Hz)
Input Impedance 1 MΩ
Overvoltage Protection 50 V continuous; 200V peak (10msec)
Digital low pass filter
Filter Characteristic Butterworth or Bessel
Filter Order 2
nd
, 4
th
,
6
th
or 8
th
Ratio Sample rate to Filter Freq. From 2 to 100
Topology Cascaded IIR Filter (up to 4 sections)
IEPE mode
Excitation 4 or 8mA
Compliance voltage 25 Volt
Output Impedance >100 kΩ
Sensor detection Shortut: <4Volt; Open: > 19Volt
Counters (ACC+ type only) 1 counter/3 digital input, fully synchronised with analogue data
Counter Modes counting, waveform timing, encoder, tacho, gear-tooth sensor
Input Level Compatibility CMOS, LVTTL
Input Protection ±25Volt continuous
Alarm output Open collector, max. 100mA/24Volt
Additional Specifications
Input connector BNC
TEDS support IEPE mode only
Table 26: 5.13.1 HS-ACC specifications
5.17.2 HS-ACC BNC
Illustration 149: SIRIUS-HS- ACC: pin-out
(BNC)
Illustration 150: SIRIUS-HS-ACC8-BNC
Page 108/166 www.dewesoft.com Doc-Version: 1.4.2
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