Specifications

8 | ni.com | NI cRIO-9030 Getting Started Guide

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 end of the power input wires, as shown in Figure 3.

Figure 3. Installing a Ferrite on the Power Leads

3. Loosen the connector screw flanges and remove the power screw terminal connector plug

from the cRIO controller. Figure 4 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 4. 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 to 0.20 to 0.25 N · m (1.8 to 2.2 lb · in.) of

torque.

5. Connect the negative lead of the power supply to one of the C terminals of the power

connector and tighten the terminal screw to 0.20 to 0.25 N · m (1.8 to 2.2 lb · in.) of torque.

6. Optionally, you can connect the positive lead of another power supply to the V2 terminal

and the negative lead to the other C terminal.

Caution The C terminals are internally connected to each other.

1 Terminal Screw 2 Connector Screw Flanges