National Instruments Data Acquisition Device E Series User Manual

Page 117

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Chapter 6

Programmable Function Interfaces (PFI)

E Series User Manual

6-2

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Not all timing signals can be output. PFI pins are labeled with the timing
signal that can be output on it. For example, PFI 8 is labeled PFI 8/CTR 0
Source. The following timing signals can be output on PFI pins:

AI Start Trigger Signal

AI Reference Trigger Signal

AI Sample Clock Signal

AI Convert Clock Signal

AO Start Trigger Signal

AO Sample Clock Signal

Counter 0 Source Signal

Counter 0 Gate Signal

Counter 1 Source Signal

Counter 1 Gate Signal

Caution

Do not drive a PFI signal externally when it is configured as an output.

Refer to the

Power-On States of the PFI and DIO Lines

section of

Chapter 4,

Digital I/O

, for more information about PFI lines.

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