Protecting The Digital Outputs From Flyback Voltages; Where To Go Next; Ni Services - National Instruments NI-9477 Getting Started

Figure 2. Increasing the Current to a Device Connected to the NI-9477

Protecting the Digital Outputs from Flyback Voltages

If the channel is switching an inductive or energy-storing device such as a solenoid,
motor, or relay, and the device does not have flyback protection, install an external
flyback diode.
Figure 3. Connecting a Flyback Diode

Where to Go Next

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NI-9477 Getting Started