National Instruments cFP-DO-403 用户手册

© National Instruments Corp.

Figure 2.  Installing the cFP-DO-403

The FP-TB-x terminal base has connections for each FP-DO-403 
output channel and for an external supply to power field devices. 
The cFP-CB-x connector block provides the same connections for 
the cFP-DO-403.

Each channel has one output terminal, V

OUT

. The output channels 

share eight V

SUP

 terminals and eight COM terminals. All of the 

channels are referenced to the COM terminals. The V and V

SUP 

terminals are all internally connected, as are the C and COM 
terminals.

Use a 5–30 VDC external power supply for the output channels. 
The power supply must provide enough current to power all of the 

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cFP I/O Module

2

Captive Screws

3

cFP Controller Module

4

Screw Holes

5

cFP Backplane

2

2

1

3

5

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