SIRIUS® Measurement Modules
5.1.3 Data Transfer Combinations
DEWESoft® can only acquire data from Dewesoft Hardware which uses the DS-EtherCAT+ protocol.
The SIRIUS EtherCAT® slices have 2 modes of operation:
Buffered mode: for DEWESoft® software
Standard EtherCAT® mode: for standard EtherCAT® masters
5.2 Technology overview
5.2.1 SIRIUS® Dual Core series: High Dynamic (up to 160 dB)
This new technology solves the often faced problem
that the signal is just much higher than expected and
therefore clipped. Dewesoft DUAL CORE ADC
technology always gives you the full possible
measuring range, because the signal is measured with
a high and a low gain at the same time.
Illustration 87: Dual Core ADC (isolated)
5.2.2 SIRIUS®-HD-series: High density (16 channel per slice)
For highest channel density this solution offers 24Bit
resolution with up to 200 kS/sec sample rate.
Illustration 88: High Density (isolated)
5.2.3 SIRIUS®-HS series: High speed and bandwidth
This series combines high bandwidth with alias free
acquisition with 16 Bit of up to 1 MS/sec acquisition
rate.
The analogue anti-aliasing filter (100 kHz, 5
th
order,
Bessel) is combined with a free programmable digital
IIR filter block inside the FGPA.
For bandwidth requirement of up to 2 MHz the
complete filter chain can be bypassed.
Illustration 89: High Speed (isolated)
Doc-Version: 1.4.2 www.dewesoft.com Page 49/166
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