Increasing Current Drive
Each channel of the NI 9477 has a continuous output current of
1 A. If you want to increase the output current to a device, you
can connect any number of channels together in parallel.
For example, if you want to drive 4 A of current, connect DO0
through DO3 in parallel, as shown in the following figure. You
must turn all parallel channels on and off simultaneously so that
the current on any single channel cannot exceed the 1 A rating.
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NI 9477 Getting Started Guide
