Specifications

OWNER’S GUIDE  CONDITIONERS, DAQ | 13345
DAQP-ACC-A IEPE Accelerometer module
Ideal for these kinds of sensors: Constant current type accelerometers, aka
IEPE, ICP, I.C.P.®, or Piezotronic
Input ranges: ±5 V, ±1.66 V, ±500 mV, ±166 mV, ±50 mV
Bandwidth: 300 kHz
Isolation: N/A
Signal connection: BNC connector
DAQP-ACC-A specications
Parameter DAQP-ACC-A
Input ranges: ±5 V, ±1.66 V, ±500 mV, ±166 mV, ±50 mV
Gain: 1, 3, 10, 30, 100
Range/gain selection: Pushbutton or software selection
Gain error: 0.5 %
Sensor types: IEPE (constant current) only
Sensor excitation: 4 or 8 mA (software selection), 10 %, up to 28 VDC
Input impedance: 5 or 7 MΩ (depending on time constant), in parallel with 1.2 nF
Input voltage range:
Voltage < 4 V
Voltage > 19 V
4 to 19 V
”Shortcut” detection
“No sensor” detection
-3 dB Bandwidth: From selected highpass filter to 300 kHz (+2 to -5 dB @ fg)
Filters (high-pass)
0.5 Hz filter
5 Hz filter
0.5 Hz and 5 Hz (software selection)
0.32 s time constant
0.032 s time constant
Filters (low-pass):
1 kHz, 10 kHz, 100 kHz, 300 kHz
other filter steps available as an option upon request
Filter selection: Pushbutton or software selection
Filter characteristics
up to 100 kHz
300 kHz
Butterworth
100 dB / decade (30 dB / octave)
80 dB / decade (24 dB / octave)
Typ. SNR @ max. bandwidth
Gain 1 and 3
Gain 10
Gain 30
Gain 100
94 dB
91 dB
80 dB
73 dB
Output voltage: ±5 V
Output resistance: <10 Ω
Output current: 5 mA maximum
Output protection: Continuous short to ground
Power supply voltage: ±9 VDC (±10 %)
RS-485 interface for module control: Ye s
TEDS support: N/A
Power consumption: Typical 0.8 to 1.0 W (depending on sensor)