SIRIUS® Measurement Modules
5.11 MULTI
The MULTI modules are perfect for multi-purpose analogue in/out and digital/counters.
5.11.1 MULTI: Specifications
Inputs Voltage, full, ½, ¼ bridge (120Ω and 350Ω), current (ext. Shunt), counter, digital
ADC Type
24bit delta-sigma dual core with 100/5 kHz analogue anti-aliasing filter (5.2.1 SIRIUS® Dual Core
series: High Dynamic (up to 160 dB) page 49)
Sampling Rate Simultaneous 200kS/sec
Dual Core Ranges (Low) ±10V (±500mV) ±1V (50mV) ±100mV (±5mV) ±50mV (±2.5mV)
Input Accuracy ±0.05% of value ±10mV ±0.05% of value ±1mV ±0.05% of value ±0.2mV ±0.05% of value ±0.2mV
Typ. Dynamic Range@10kS (Dual Core) 137 dB (152 dB) 137 dB (147 dB) 135 dB (137 dB) 133 dB (133 dB)
Typ. SNR@10kS (Dual Core) 105 dB (121 dB) 104 dB (111 dB) 100 dB (101 dB) 95 dB (95 dB)
Typ. CMR @ 400Hz (1kHz) 86 dB (84 dB) 96 dB (95 dB) 112 dB (102 dB) 112 dB (102 dB)
Gain Drift Typical 10 ppm/K, max. 40 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)
Channel Cross talk 120 dB @ 10kHz
Input Coupling/ Impedance DC / 10 MΩ
Overvoltage Protection In+ to In-: 50 V continuous; 200V peak (10msec)
Excitation Voltage Free programmable (16 Bit DAC)
Predefined levels 0, 1, 2.5, 5, 10 and 12 V
DC
Accuracy ±0.1 % ±10 mV
Drift ±50 ppm/K ±100 μV/K
Stability 10% to 90% load <0.01%
Current limit 45mA (0.4W max. Power)
Protection Continuous short to ground
Additional Fixed Excitations 12V (max. 50 mA); 5 V (max. 100 mA) Accuracy 5%
Bridge Connection Types Full bridge, ½ bridge, ¼ bridge (3-wire)
Ranges 2mV/V…1000mV/V free programmable with Dual Core
Internal Bridge Completion ½ bridge 1 kΩ and ¼ bridge 120Ω and 350Ω
Typ. Bridge Completion Accuracy 0.05 %; TCR: 5 ppm/K (others on request)
Internal Shunt Resistor 59.88 kΩ, software selectable (others on request)
Typ. Shunt Resistor Accuracy 0.05 %; TCR: 10 ppm/K (others on request)
Input Short, Sensor Offset Adjust Software selectable
Counters 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 (protected up to ±25Volt continuous)
FRONT Analogue Out
18
1 channel, 24 bit sigma delta 200 kHz, ±10V
Accuracy ±0.1% of reading ±0.02 V
Temperature Drift ±50ppm/K of reading ± 200 µV/K
Output Impedance < 10 Ω
Maximum Output Current / Load 20 mA / > 1000 Ω
Output Protection Continuous short to ground
Additional Specifications
Input connector High Density DSUB - 15, LEMO - 2B 16pin (others on request)
TEDS support Standard + MSI adapters
Table 16: SIRIUS-MULTI specifications
18 Not available when ordered with the Analogue-out OPTION (see 5.22 Analogue out OPTION on page 125)
Doc-Version: 1.4.2 www.dewesoft.com Page 69/166
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