CR9052IEPE Filtered Analog Input Module for IEPE Sensors

Overview

This high-performance anti-alias filter module can be used in either the CR9000X or CR9000 measurement and control systems. The CR9052IEPE's daughterboard provides current source excitation and ac coupling that allow the direct connection of internal-electronics piezoelectric (IEPE) accelerometers and microphones.

The CR9052IEPE includes six anti-aliased analog measurement channels with differential input ranges. Each of the six channels has its own programmable-gain instrumentation amplifier, pre-sampling analog filter, and sigma-delta analog-to-digital converter. An on-board digital signal processor provides real-time, programmable anti-alias filtering and down-sampling (decimation) before passing the results to the datalogger’s main processor.

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Detailed Description

The CR9052IEPE is a high-performance anti-alias filter module for the CR9000X-series and CR9000-series dataloggers. It is used to measure Internal Electronics Piezo-Electric (IEPE) accelerometers and microphones. An external IEPE power supply is not needed because the CR9052IEPE has an on-board 34 V, high efficiency, low noise, charge pump power supply that supplies a 2 mA, 4 mA, or 6 mA constant current excitation. The CR9052IEPE interfaces with sensors via BNC connectors.

The CR9052IEPE includes six anti-aliased analog channels with programmable input ranges. Each of the six channels has its own programmable-gain instrumentation amplifier, pre-sampling analog filter, and sigma-delta analog-to-digital converter. An on-board digital signal processor provides real-time, programmable anti-alias filtering and down-sampling (decimation) before passing the results to the datalogger’s main processor.

Specifications

-NOTE- Note: Additional specifications are listed in the CR9052IEPE and CR9052DC brochure.
Operating Temperature -40° to +70°C
Analog Channels 6 differential
Excitation Channels 6
Overvoltage Protection on All Inputs/Outputs + 50 V, -40 V
Differential Accuracy
  • ±0.03% of reading (gain)
  • ±0.03% of full-scale input range (offset)
Current Drain (at 12 V input) 500 mA + 1.5*[Iex] where Iex is the sum of excitation currents provided by all channels
Dimensions 23.3 x 12.4 x 2.5 cm (9.2 x 4.9 x 1 in.)
Weight 0.5 kg (1 lb)

Compatibility

Software

Software support is provided by RTDAQ and PC9000 5.0 or greater.

Datalogger Considerations

Compatible Contemporary Dataloggers

CR200(X) Series CR800/CR850 CR1000 CR3000 CR9000X
*

Compatible Retired Dataloggers

CR500 CR510 CR10 CR10X 21X CR23X CR9000 CR5000 CR7X
**

Notes:
*The CR9000X must have an operating system of 1.05 or higher.

**The CR9000 must have an operating system of 3.09 or higher.

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