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NI C Series Getting Started

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NI-9238
Getting Started
2024-01-16

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Summary of Contents for NI C Series

  • Page 1 NI-9238 Getting Started 2024-01-16...
  • Page 2 NI-9238 Getting Started........
  • Page 3 NI-9238 Getting Started NI-9238 Getting Started NI-9238 Pinout AI0+ AI0– AI1+ AI1– AI2+ AI2– AI3+ AI3– Table 1. Signal Descriptions Signal Description Positive analog input signal connection Negative analog input signal connection NI-9238 Block Diagram AI0+ Overvoltage Protection AI0- Prefilter...
  • Page 4 Filtering The NI-9238 uses a combination of analog and digital filtering to provide an accurate representation of in-band signals and reject out-of-band signals. The filters discriminate between signals based on the frequency range, or bandwidth, of the signal.
  • Page 5 ) controls the data rate (f ) of the NI-9238. The NI-9238 includes an internal master timebase with a frequency of 12.8 MHz, but the module also can accept an external master timebase or export its own master timebase. To synchronize the data rate of an NI-9238 with other modules that use master timebases to control sampling, all of the modules must share a single master timebase source.
  • Page 6 Signal Source – AI– NI 9238 NI-9238 Connection Guidelines Make sure that devices you connect to the NI-9238 are compatible with the ■ module specifications. You must use 2-wire ferrules to create a secure connection when connecting ■ more than one wire to a single terminal on the NI-9238.
  • Page 7 NI-9238 Getting Started High-Vibration Application Connections If your application is subject to high vibration, NI recommends that you follow these guidelines to protect connections to the NI-9238: Use ferrules to terminate wires to the detachable connector. ■ Use the NI-9971 connector backshell kit.

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Ni-9238

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