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NI-9269 Getting Started NI-9269 Getting Started NI-9269 Block Diagram AO0+ Overvoltage/ Isolated Short-Circuit AO0- Protection Channel-to-Channel Isolation AO3+ Overvoltage/ Isolated Short-Circuit AO3- Protection NI 9269 The analog output channels are floating with respect to earth ground and each other. Each channel has a digital-to-analog converter (DAC) that produces a voltage signal.
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■ Increasing Output Voltage Range Each channel of the NI-9269 has a nominal output range of ±10 V and can drive up to ±10 mA of current. The total output current of all channels is limited to ±20 mA. For example, if the output current of AO0 is ±10 mA, the output current of AO<1, 2, 3>...
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Stacking more than four output channels of multiple NI-9269 modules violates the electrical safety and overvoltage protection ratings. Because the NI-9269 outputs can source and sink current, it is not possible to increase the current drive by connecting output channels in parallel.
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