ADLINK PXI-7931 - Manual (Page 32)

26 • Operation Theorem
scanlist to the switch module afterward.
4. Start auto-scan by sending scan start command to the switch
module.
Figure 19: 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 20 illustrates the available signal destinations for Trigger Bus[7..0].
Signal names in the solid-line boxes represent the external (physical) signals
on connectors while signals in the dotted-line boxes represent the switch
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)