Trigger Tutorial
The APS trigger system is a flexible, multi-purpose system that controls the operation of the
instrument to suit a variety of user-defined applications. The trigger diagram below provides an
graphical view of how the trigger sources and destinations are interconnected.
Trigger Sources
Trigger Destinations
Trigger Diagram
Trigger Sources
The following table describes the available trigger sources, which are shown on the left of the trigger
diagram. Note that not all trigger sources can be applied to every trigger subsystem.
Source Description
BUS Enables GPIB device triggers, *TRG, or <GET> (Group Execute Trigger).
CURRent1 Selects an output current level.
EXPRession<1-8> Selects one of eight user-defined expressions.See Using Expression Signal Routing.
IMMediate Triggers the transient as soon as it is INITiated.
PIN<1-7>|EXTernal Selects a digital port pin configured as a trigger input. EXTernal selects ALL con-
nector pins that have been configured as trigger inputs.
TRANsient1 Selects the transient system as the trigger source.
TRIG:ACQ:IMM Triggers the acquisition immediately.
TRIG:ELOG:IMM Triggers the Elog immediately.
TRIG:TRAN:IMM Triggers the transient immediately.
VOLTage1 Selects an output voltage level.
Trigger Destinations
The following table describes the trigger system destinations. Note that the trigger system, when
used in conjunction with user-defined signal routing, can generate a number of power supply actions
that can control specific applications.
Keysight N6900/N7900 Series Operating and Service Guide 290
6 SCPI Programming Reference
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