4 trigger bus – ADLINK PXI-7901 User Manual

Page 22

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16 • Operation Theorem

scanlist to the switch module afterward.

4. Start auto-scan by sending scan start command to the switch

module.


Figure 8: Signal Connection between Switch Module and Agilent DMM

For more information on scanlist configuration, scan mode setup, start, and
stop functions of the auto-scanning process, please refer to the software
programming users’ guide.

4.4 Trigger Bus

PXI specification defines eight bused-lines across slots in a segment. Users
can route various trigger signal to synchronize multiple PXI instruments, and/or
simplify field wiring across multiple ADLINK Switch Modules.

On ADLINK Switch Modules, the trigger bus driver is disconnected from PXI
trigger bus before users’ configuration.

Figure 9 illustrates the available signal destinations for Trigger Bus[7..0]. Signal

ADLINK

PXI Switch module

Agilent 33401A

6-1/2 DMM

Wiring

Scanner Advanced Output

(S_ADV)

Trigger Input

(TRG_IN)

External Trigger Input

(Trig In)

Measurement Complete

(VM Comp)

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