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I am almost sure that it is some kind of weird incompatibility or similar, the thing is that NI device loader always cdaq 9171. After some trial and error and some research I found the problem. Before installing the support package, confirm you have the correct setup.

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View system requirements and installation options. TestSys Fax: This kit provides the easiest connectivity for the NI A simultaneously updating analog cdaq 9171 module.

NI cDAQ-9191, cDAQ-9181 and cDAQ-9171 1-slot chassis

It features overvoltage protection, short-circuit protection, low crosstalk, fast slew rate, high relative accuracy, and NIST traceable calibration. Answer: The timing resolution of the cDAQ is Question: What are the power requirements for the cDAQ ? Digital Input You can acquire digital waveforms using either parallel or serial digital modules. Digital Input Triggering Signals A trigger is a signal that causes an action, such as starting or stopping cdaq 9171 acquisition of data. The cDAQ chassis supports three types of digital triggering: internal software digital triggering, external digital triggering, and internal digital triggering.


Refer to the PFI Filters section for more information. A sample consists of one reading from each channel in cdaq 9171 DI task. DI Sample Clock signals the start of a sample of all digital input channels in the task.


DI Sample Clock can be generated from external or internal sources as shown in Figure DI Sample Clock Timebase can be generated from external or internal sources. DI Sample Clock Timebase is not available as an output from the chassis. When you are using an internal sample clock, you can specify a delay from the start trigger to cdaq 9171 first sample.


When you use an analog trigger source for DI Start Trigger, the acquisition begins on the first rising edge of the Analog Comparison Event signal. Cdaq 9171 the cdaq 9171 begins, the cDAQ chassis writes samples to the buffer.

After the cDAQ chassis captures the specified number of pretrigger samples, the chassis begins to look for the reference trigger condition. Note Note Pause triggers are only sensitive to the level of the source, not the edge. Digital Input Filters When performing a hardware timed cdaq 9171, you can enable a programmable debouncing filter on the digital input lines of a parallel DIO module. All lines on a module must share the same filter configuration.

When the filter is enabled, the chassis samples the inputs with a user-configured Filter Clock derived from the chassis timebase. This is used to determine cdaq 9171 a pulse is propagated to the rest cdaq 9171 the system.

However, the filter also introduces jitter onto the input signal. The appropriate Filter Clock is cdaq 9171 by the driver. Figure shows an example of low-to-high transitions of the input signal.

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High-to-low transitions work similarly. Assume that an input terminal has been low for a long time. The input terminal then changes from low to high, but glitches several times. When the filter clock has sampled the signal high on consecutive rising edges, the low-to-high transition is propagated to the rest of the circuit. Change Detection Event The Change Detection Event is the signal generated when a change cdaq 9171 the rising or falling edge lines is detected by the change detection task. Change Detection Acquisition You can configure lines on parallel digital modules to detect rising or falling edges. When one or more of these lines sees the edge specified for that line, the cDAQ chassis samples all the lines in the task.1‑Slot, USB CompactDAQ Chassis—The cDAQ‑ is a bus‑powered, CompactDAQ USB chassis designed for small, portable sensor measurement systems.

These specifications are for the National Instruments cDAQ chassis only.

  • - National Instruments Corporation cDAQ, CompactDAQ Chassis (1 slot USB)
  • NI cDAQ, cDAQ and cDAQ 1-slot chassis
  • Metal chassis from National Instruments enable data acquisition systems in harsh environments
  • Installing and Configuring CompactDAQ Chassis
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  • Installing and Configuring CompactDAQ Chassis

For the C Series module specifications, refer to the documentation for the C.

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