National Instruments NI-9375 Getting Started page 11

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I/O Protection

Each DO channel on the NI-9375 has circuitry that protects it from overcurrents

resulting from a short-circuit or faulty loads.

Notice

Overvoltage and reverse bias voltage conditions can damage the

NI-9375. Check the voltage specifications for all devices that you connect

to the NI-9375.

When a short circuit is present on a digital output channel, the DO channel cycles

off and on until the short circuit is removed or the current returns to an acceptably

low level. An overcurrent state can affect the performance of the NI-9375 and other

modules in the system. To ensure safe and proper operation, the digital outputs

should not exceed the maximum continuous output current specification.

NI-9375 Getting Started

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