National-instruments Interface Device NI PCI-8254R Manuel d'utilisateur télécharger pdf (Page 7)

Caution Do not connect the NI 8254R isolated power to a source less than 5 VDC or

greater than 30 VDC. Doing so could damage the NI 8254R device.

To connect power for the isolated outputs to the NI 8254R, refer to

Figures 2 through 6 while completing the following steps:

1. If you are using the NI desktop power supply, remove the 4-position

power connector connected to the power supply, shown in Figure 2.

a. Reconnect the wire that was connected to the V position on the

4-position power connector to the V position on the 2-position

isolated outputs power connector, shown in Figure 3.

b. Reconnect the wire that was connected to the C position on the

4-position power connector to the C position on the 2-position

isolated outputs power connector, shown in Figure 3.

Figure 2. Removing the 4-Position Power Connector from the Power Supply

Figure 3. Connecting the 2-Position Power Connector to the Power Supply

2. Plug the 2-position isolated outputs power connector from the power

supply into the power receptacle on the NI 8254R.

1 4-Position Power Connector

2 V Position

3 C Position

4 Power Supply Wire and Optional Ferrule

1 2-Position Isolated Outputs Power Connector

2 C Position

3V Position

4 Power Supply Wire and Optional Ferrule

1 2 3 4 5 6 7 8 9 10 11 12 ... 15 16

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National-instruments Interface Device NI PCI-8254R Manuel d'utilisateur Page 7