ADLINK Technology NuPRO-935A User Manual download pdf (Page 31)

Operation Theorem • 25

Figure 13: Available signal sources for Trigger Bus[7..0]

4.5 Star Trigger

The PXI specification defined 13 matched trigger lines to connect to the first 13

PXI peripheral slots on a PXI backplane. Users can route various trigger signal

to synchronize multiple PXI instruments and achieve tight timing control.

On ADLINK Switch Modules, the star trigger driver is disconnected from the PXI

backplane before users’ configuration. The maximum skew between each star

trigger line is controlled to within 1ns.

Note the reverse input voltage protection range is -0.5V to +5.5V. When the

local bus is used on peripheral modules, make sure that the voltage level is

compatible with ADLINK Switch Module.

Figure 10 illustrates the available signal destinations for Star Trigger. Signal

names in the solid-line boxes represent the external (physical) signal on

connectors, while signals in the dotted-line boxes represent the switch module’s

internal signal.

Trigger Bus[7..0]

WDT Overflow

SHDNn

Software Trigger

Star Trigger In

Trigger In Signal

Scanner Adv. Signal

AUX [3…2]

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ADLINK Technology NuPRO-935A User Manual Page 31