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Chapter 1 Getting Started with the cDAQ Controller
Complete the following steps to connect a power source to the cDAQ controller.
1. Make sure the power source is turned off.
2. Install the ferrite (National Instruments part number 711849-01, included in the shipping
kit) across the negative and positive leads of the power source, approximately 50 to 75 mm
(2 to 3 in.) from the ends of the leads near the cDAQ controller, as shown in Figure 1-6.
Figure 1-6. Installing the Ferrite on the Power Leads
3. Loosen the connector screw flanges and remove the power screw terminal connector plug
from the cDAQ controller. Figure 1-7 shows the terminal screws, which secure the wires in
the screw terminals, and the connector screw flanges, which secure the connector plug on
the front panel.
Figure 1-7. Power Screw Terminal Connector Plug
Caution Do not tighten or loosen the terminal screws on the power connector while
the power is on.
4. Connect the positive lead of the primary power source to the V1 terminal of the power
connector plug and tighten the terminal screw.
5. Connect the negative lead of the primary power source to one of the C terminals of the
power screw terminal connector plug and tighten the terminal screw.
6. Optionally, you can connect the positive lead of a secondary power source to the V2
terminal and the negative lead to the other C terminal.
7. Install the power connector plug on the front panel of the cDAQ controller and tighten the
connector screw flanges.
8. Turn on the external power source(s).
1 Terminal Screw 2 Connector Screw Flanges
C
V2
C
V1
2
1
2
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