Connecting an External Power Supply to the
NI 9470
You must connect an external power supply to each active
channel of the NI 9470. The power supplies provide the current
for the output channels. Each channel has its own V
sup
and COM
pin, and all COM pins are connected internally in the NI 9470.
Caution
Do not install or remove C Series modules
from your system if any external power supplies
connected to the V
sup
and COM pins are powered on.
Attention
Ne pas installer ou retirer les modules de la
Série C de votre système si une alimentation externe
connectée aux broches V
sup
et COM est sous tension.
Complete the following steps to connect an external power
supply to the NI 9470. Use cables 10 m or shorter for connections
from V
sup
to COM to the supply to reduce voltage noise and
ripple. For lengths longer than 10 m, NI recommends placing
NI 9470 Getting Started Guide
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© National Instruments
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