National Instruments PXIE-4340 Displacement input module
Specific parameters
Number of channels: 4 channels.
Resolution: 24 bits.
Maximum sampling rate: 25.6 ks/s per channel.
Excitation voltage: ± 7 Vrms.
Supported measurement types: AC LVDT, AC RVDT, rotary transformer, and synchronizer measurement, supporting 4-wire, 5-wire, and 6-wire LVDT and RVDT measurements.
Product Performance
High precision measurement: Using a 24 bit analog-to-digital converter, it can achieve high-precision digital conversion of analog signals and accurately measure small displacement changes. At the same time, each channel has independent selectable excitation frequency and voltage, which can be optimized and configured according to different sensor characteristics to improve measurement accuracy.
Built in remote sensor system: It can automatically and continuously correct errors in the excitation leads, which is crucial for applications using long or small-sized wires. It can effectively compensate for gain errors and detect excitation in synchronous channels, helping to measure the accurate ratio of cross channel sensors.
Self calibration function: It can adjust the radiation measurement gain and offset, eliminate the drift of the analog motherboard, zero the DC component of the excitation source, and adjust the amplitude according to the internal reference to ensure long-term stability and accurate measurement.
Diagnostic function: It has overcurrent detection and coil opening detection functions, which can timely detect abnormal situations during the measurement process and improve the reliability and stability of the system.
Synchronization function: Multiple channels can be synchronized simultaneously, but the channels need to be configured on the same board and have the same excitation frequency and amplitude. In addition, it can also be synchronized with other product series by referencing clock synchronization, making it easier to expand the number of channels to meet different measurement needs.
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