4 trigger mode, Trigger mode – ADLINK PXIe-9529 User Manual

Page 31

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Operations

21

PXIe-9529

analog trigger source. The trigger level can be set by software
with 24-bit resolution, with characteristics as shown.

Table 3-4: Preferred Characteristics for Analog Triggers

Trigger Export

The PXIe-9529 can export trigger signals to PXI Trigger Bus

Numbers 0 through 7, utilizing them to act as the System Syn-
chronization Interface. When configured as the output, the
PXIe-9529 serves as a master module and can output trigger
signals to synchronize the slave modules, with the trigger sig-
nal routed to any of the seven PXI Trigger Bus Numbers via
software.

3.4 Trigger Mode

Two trigger modes applied to trigger sources initiate different data

acquisition timings when a trigger event occurs, as applied to
analog input and output functions.

Post Trigger Mode

If post trigger mode is configured, activity commences once the
following trigger conditions are met:

Z

The analog input channel acquires a programmed num-

ber of samples at a specified sampling rate

Z

The analog output channel outputs pre-defined voltage

at a specified output rate

Trigger Level
Setting (Hex)

Trigger Voltage
(-10V to +10V Range)

Trigger Voltage
(-1V to +1V Range)

7FFFFF

9.99999881 V

0.999999881 V

7FFFFE

9.99999762 V

0.999999762 V

1

1.19 μV

0.119 μV

0

0V

0V

FFFFFF

-1.19 μV

-0.119 μV

800001

-9.99999881 V

-0.999999881 V

800000

-10 V

-1 V

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