Juniper-systems Allegro DAQ Manual do Utilizador descarregar pdf (Página 13)

Data Acquisition Expansion Pod 13

Signal

name

Reference Direction Description

PFI

5/AO

SAMP

CLK

D GND Input PFI 5—As an input, this pin is a

PFI.

Output AO Sample Clock Signal—As

an output, this pin is the ao/

SampleClock signal. A high-to-low

edge on AO SAMP indicates that

the AO primary group is being

updated.

PFI

6/AO

START

TRIG

D GND Input PFI 6—As an input, this pin is a

PFI.

Output AO Start Trigger Signal—As

an output, this pin is the ao/

StartTrigger signal. In timed AO

sequences, a low-to-high transition

indicates the initiation of the

waveform generation.

PFI 7/AI

SAMP

CLK

D GND Input PFI 7—As an input, this pin is a

PFI.

Output AI Sample Clock Signal—As

an output, this pin is the ai/

SampleClock signal. This pin

pulses once at the start of each AI

sample in the interval sample. A

low-to-high transition indicates

the start of the sample.

PFI

8/CTR 0

SRC

D GND Input PFI 8—As an input, this pin is a

PFI.

Output Counter 0 Source Signal—As an

output, this pin is the Ctr0Source

signal. This signal reﬂects the

actual source connected to the

general-purpose counter 0.

PFI

9/CTR 0

GATE

D GND Input PFI 9—As an input, this pin is a

PFI.

Output Counter 0 Gate Signal—As an

output, this pin is the Ctr0Gate

signal. This signal reﬂects the

actual gate signal connected to the

general-purpose counter 0.

1 2 ... 8 9 10 11 12 13 14 15 16 17 18 ... 27 28

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