DEWE-43A Technische Daten

Technische Daten des DEWE-43A-Systems

Analog inputs
Number of channels8
InputsVoltage, full bridge
ADC type24-bit sigma-delta with anti-aliasing filter
Sampling rateSimultaneous 200 kS/sec
Input typeDifferential
Voltage Mode
Ranges±10 V±1 V±100 mV±10 mV
DC accuracy0.05 % of value + 1 mV0.05 % of value + 0.2 mV0.05 % of value + 0.1 mV0.05 % of value + 0.1 mV
CMRR@ 50Hz/400Hz/1kHz85 dB / 92 dB / 89 dB97 dB / 97 dB / 88 dB100 dB / 97 dB / 89 dB101 dB / 97 dB / 89 dB
Noise floor107 dB @ ±10 V range
Signal to noise: 0.1 kS/s to 51.2 kS/s 51.2 kS/s to 102.4 kS/s 102.4 kS/s to 200 kS/s 105 dB 100 dB 75 dB
Gain DriftTypical 10 ppm/K, max. 40 ppm/K
Offset DriftTypical 2 μV/K + 5 ppm of range/K, max 5 μV/K + 10 ppm of range/K
Channel-to-Channel Phase Mismatch<0.1° @ 5 kHz
Phase-to-Phase Mismatch0.6° @ 1 kHz
Input impedance20 MΩ | 47 pF (differential) 10 MΩ || 33 pF (common mode)
Maximum common mode voltage±13 V
Overvoltage protection±70 V input protection
Excitation Voltage
Excitation voltage±5 V ±0.1 % bridge sensor supply, 70 mA limit
Excitation Drift±50 ppm/K ±100 μV/K
Sensor supply12 V, 350 mA (Shared between: 8xAI, 8xCounters, 2xCAN)
Counter/Digital inputs
Number of channels8 counters/24 digital input, fully synchronized with analog
ModesCounting, waveform timing, encoder, tacho, geartooth sensor
Counter timebase102.4 MHz
Time base accuracyTypical: 5 ppm, Max: 20 ppm
Max. Bandwidth10 MHz
Input Filter500 ns, 1 μs, 2 μs, 4 μs, 5 μs and 7.5 μs
Counter resolution32-bit
Input Compatibility, LevelTTL/CMOS (Low: <0.8 V, High >2 V)
Input termination, impedance100 kΩ pull-up to +3.3 V
Input Protection±30 V continuous
Alarm outputNot available
Sensor supply+5 V, +12 V (See bellow: Power, Sensor power supply)
CAN bus
Number of ports2
Interface typeCAN 2.0B, up to 1 MBit/sec
Special applicationsCCP, OBDII, J1939, CAN output
Galvanic isolationIsolated
Bus pin fault protection±36 V
ESD protection8 kV
Interfaces and options
USBUSB-B mini, USB 2.0 interface
Synchronisation2x SIRIUS® SYNC
Max. Sync-cable length100 m (Master/Slave), 200 m (IRIG)
Power
Power supply9 - 36 V DC
Galvanic isolationISO-POWER Isolated
Sensor power supplyUp to 10W total: 12 V, total limit 350 mA (Shared between: 8xAI, 8xCounters, 2xCAN) 5 V, total limit 700 mA (Shared between: 8xCounters, 2xCAN) +/-5 V Exc., Ch. limit 70 mA
Power consumptionTyp. 6 W, Max. 18 W
Environmental
Operating TemperatureMax. 60 °C down to -20 °C
Storage Temperature-40 °C to 85 °C
Humidity5 to 95 % RH non-condensing at 50 °C
IP ratingIP50
Shock & VibrationVibration sweep sinus (EN 60068-2-6:2008) Vibration random (EN 60721-3-2: 1997 - Class 2M2) Shock (EN 60068-2-27:2009) MIL-STD-810D
Physical
Dimensions225 x 80 x 45 mm
Weight0.72 kg
Rev: 1628236800
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