National Instruments PCI-8254R Manual de usuario descargar pdf (Pagina 28)

Chapter 3 Signal Connections

NI PCI-8254R User Manual 3-2 ni.com

Table 3-1 summarizes the functions of the connectors on the NI 8254R.

Connectors

This section describes the connectors on the NI 8254R and includes pinouts

and signal descriptions for each connector.

2-Position Isolated Outputs Power Connector

The isolated outputs power connector on the NI 8254R accommodates one

power supply. The V terminal provides the isolated output circuitry (5 to

30 VDC) for the NI 8254R. The C terminal provides the common-mode

signal for the NI 8254R.

Figure 3-1 illustrates the isolated outputs power connector on the

NI 8254R.

Figure 3-1. NI 8254R Isolated Power Connector

Table 3-1. NI 8254R Connector Functions

Peripheral Connector Function

Isolated Output Power 2-position isolated outputs

power connector

Power for isolated outputs

IEEE 1394 6-pin IEEE 1394a connector Power and data connection to

IEEE 1394 cameras

Digital Input/Output 44-pin female high-density

D-SUB

External TTL I/O; External

isolated I/O

Camera Power 4-pin computer power Power from PC power supply

to IEEE 1394a connector

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National Instruments PCI-8254R Manual de usuario Pagina 28