4 trigger bus – ADLINK PXI-7901 User Manual
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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)