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NI-9381 Getting Started NI-9381 Getting Started NI-9381 Block Diagram Line Direction Digital I/O NI 9381 The module provides an analog-to-digital converter (ADC), eight digital-to- ■ analog converters (DAC), and four digital lines. Line direction logic enables/disables the line input and output transceiver.
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NI-9381 Getting Started DIO0 DIO1 DIO2 DIO3 Table 1. Signal Descriptions Signal Description Analog input signal connection Analog output signal connection Digital input/output signal connection Ground connection Single-Ended Connections Voltage Source – NI 9381 To ensure fast settling times, connect signal sources that have an impedance smaller than 1 kΩ.
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Timing Guidelines When using the AI, AO, and DIO channels on the NI-9381 concurrently, follow these guidelines to ensure high accuracy. Use a single I/O Node to access AI and AO operations to ensure proper ■...
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