DEWE-43A
TECHNICAL REFERENCE MANUAL
3. Specifications
Analog inputs
Number of channels
8
Inputs
Voltage, full bridge
ADC type
24 bit sigma delta with anti-aliasing filter
Sampling rate
Simultaneous 200 kS/sec
Input type
Differential
Voltage ranges
±10 V
±1 V
±100 mV
±10 mV
DC accuracy
0,05 % of
value +1 mV
0,05 % of
value +0.2 mV
0,05% of value
+0.1 mV
0,05 % of value
+0.1 mV
CMRR@ 50Hz/400Hz/1kHz
85 dB / 92 dB
/ 89 dB
97 dB / 97 dB /
88 dB
100 dB / 97 dB
/ 89 dB
101 dB / 97 dB /
89 dB
Sensor supply
12 V, 350 mA (Shared between: 8xAI, 8xCounters, 2xCAN)
Excitation voltage
±5 V ±0.1 % bridge sensor supply, 70 mA limit
Overvoltage protection
±70 V input protection
Noise floor
107 dB @ ±10 V range
Input impedance
20 MΩ || 47 pF (differential)
10 MΩ || 33 pF (common mode)
Maximum common mode voltage
±13 V
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
Channel-to-Channel Phase Mismatch
<0.1° @ 5 kHz
Phase-to-Phase Mismatch
0.6° @ 1 kHz
Counter/Digital inputs
Number of channels
8 counters/24 digital input, fully synchronized with analog
Modes
Counting, waveform timing, encoder, tacho, geartooth
sensor
Counter timebase
102.4MHz
Time base accuracy
Typical: 5 ppm, Max: 20 ppm
Max. Bandwidth
10MHz
Input Filter
500 ns, 1 μs, 2 μs, 4 μs, 5 μs and 7.5 μs
Counter resolution
32-bit
Compatibility
TTL/CMOS
Configuration
Pull-up with 100kΩ
DEWE-43A V20-2
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