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If you do not explicitly specify the input or output terminal configuration when you create a channel, NI-DAQmx automatically determines the default terminal configuration at run time. The following table ...

NI-DAQmx Device Considerations contains information specific to analog output (AO) Series devices, B Series devices, C Series devices, digital I/O (DIO) devices, DSA devices, E Series devices, FieldDAQ ...

For C Series devices, you can filter digital I/O lines and digital input signals. Timing and Triggering Filters for Digital I/O Lines You can configure digital filters on the device by choosing three fixed ...

Digital filtering rejects state transitions that do not stay at a state for a specified amount of time. For example, for an edge counting measurement with digital filtering, the device does not count an ...

Digital I/O module capabilities depend on the type of digital signals that the module can measure or generate and the chassis the module is used in. Serial digital I/O modules: NI 9375, NI 9403, NI 9425, ...

Internal Channel Name Description _aignd_vs_aignd A differential terminal with the positive and negative terminals both connected to the ground reference for analog input. _ao0_vs_aognd A differential ...

Two NI-DAQmx Read attributes/properties allow you to check for excitation faults. The first is ExcitFaultChansExist. This attribute/property returns a Boolean of true if one or more channels experience ...

The first is ExternalOvervoltageChansExist. This attribute/property returns a Boolean true if one or more channels experience an external overvoltage condition. The second is ExternalOvervoltageChans. ...

Excitation The FD-11637 supports internal excitation at 3 V, 5 V, and 10 V. 10 V excitation is only supported in Full-Bridge and Half-Bridge modes. Quarter-Bridge Completion The FD-11637 supports internal ...

The FD-11601, FD-11603, FD-11605, FD-11634, and FD-11637 can use filtering to provide an accurate representation of in-band signals while rejecting out-of-band signals. The filters discriminate between ...

FieldDAQ devices include the FD-11601, FD-11603, FD-11605, FD-11613, FD-11614, FD-11634, and FD-11637. Analog Input The following table lists the number and naming of analog input physical channels for ...

FieldDAQ devices use software calibration to adjust the software scaling of signals read from and produced by your device. Using a precise reference signal, your device measures and calculates scaling ...

The delta-sigma ADCs and DACs on DSA devices, C Series Delta-Sigma devices, and NI 433x devices employ digital filtering that imparts a delay of several sample intervals. The filter delays are equal in ...

The First Sample Timestamp attribute/property can only be enabled for hardware timed tasks, and is enabled by default for Analog Input and Digital Input tasks. For Digital Input tasks as well as C Series ...

Device ID Device Name 0x0160NI PCI-DIO-96 0x075CNI DAQCard-DIO-24 0x075FNI DAQCard-6715 0x1150NI PCI-DIO-32HS 0x1290NI PCI-6704 0x12B0NI PCI-6534 0x1310NI PCI-6602 0x1320NI PXI-6533 0x1360NI PXI-6602 0x13C0NI ...

If you attach an IEPE accelerometer or microphone to an AI channel that requires excitation from a device such as a DSA device, NI 9230, NI 9231, NI 9232, NI 9234 or an NI 9250Devices are listed as examples ...

When performing a buffered time measurement of a digital signal, the initial sample is often invalid. The following devices detect such samples and discard them. Bus-powered M Series USB devices Parallel ...

When you use MAX or the NI-DAQmx API to reset a device, NI-DAQmx sets terminals and output channels to an initialized state. Digital I/O Lines NI-DAQmx sets all digital I/O lines to the configured power-up ...

Sampling Considerations NI-DAQmx 17.0 Manual NI-DAQmx 17.5 Manual NI-DAQmx 17.6 Manual NI-DAQmx 18.0 Manual NI-DAQmx 18.1 Manual NI-DAQmx 18.5 Manual NI-DAQmx 18.6 Manual NI-DAQmx 19.0 Manual NI-DAQmx ...

Connect strain gages in a variation on a generic Wheatstone bridge configuration. These configurations vary based on the placement of strain gages within the bridge; their location and orientation on the ...

There are three types of bridge configurations: quarter-bridge, half-bridge, and full-bridge. The number of active element legs in the Wheatstone bridge determines the kind of bridge configuration. Configuration ...

Bridge-based sensors require a constant voltage to power the bridge. Bridge signal conditioners typically include a voltage source. While there is no standard voltage level that is recognized industry ...

Sensors for measuring force, pressure, and torque, such as a load cell, are often based on a Wheatstone bridge. These sensors typically use a full-bridge configuration with a 350 Ω nominal bridge resistance. ...

Measurements from a bridge-based sensor are based on a ratio of measured voltage to excitation voltage. NI-DAQmx uses the following equation to calculate that ratio: where V[R] is the voltage ratio; V ...

NI-DAQmx provides three methods to scale electrical values (voltage ratios) from a bridge-based sensor to physical units: Two-Point Linear You provide two pairs of electrical values and their corresponding ...

Calibrate bridge-based sensors periodically to account for changes in the physical characteristics of the sensor and in the material the sensor is measuring, to account for variations in the lead wire ...

Bridge-based sensors operate by correlating a physical phenomena, such as strain, temperature, or force, to a change in resistance in one or more legs of a Wheatstone bridge. The general Wheatstone bridge, ...

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