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In this section:

Triggering ................................................................................. 6-1

Remote triggering overview...................................................... 6-1

SMU event detectors ................................................................ 6-8

Using trigger events to start actions on trigger objects ........... 6-10

Digital I/O port and TSP-Link synchronization lines ............... 6-11

Timers .................................................................................... 6-13

Event blenders ....................................................................... 6-19

LAN triggering overview ......................................................... 6-20

Command interface triggering ................................................ 6-22

Trigger generator ................................................................... 6-23

Manual triggering ................................................................... 6-23

Interactive triggering ............................................................... 6-23

Hardware trigger modes ......................................................... 6-28

Understanding synchronous triggering modes ....................... 6-32

Digital I/O ............................................................................... 6-36

Triggering

Triggering allows you to source signals and capture measurements when an input signal or

combination of input signals meet a set of conditions that you set. Triggering controls the timing of

when source and measure operations happen during a sweep. See Sweep operation (on page 4-61)

for details on sweeping.

Remote triggering overview

There are two programming methods for triggering:

• Using the trigger model

• Interactive triggering

You can obtain very precise timing and synchronization between channels of multiple instruments

using the trigger model to control the actions of the source-measure unit (SMU). To achieve such

precise timing, use a static trigger configuration. When a static trigger configuration is not possible,

you can use the interactive triggering method to control the timing and actions of the SMU.

Both programming methods use trigger objects. Trigger objects generate and monitor trigger events.

External triggers are possible using digital I/O, TSP-Link

synchronization lines, LAN, command

interface, and the manual trigger (the TRIG key).

Section 6

Triggering

Tektronix Keithley 2601B-PULSE Reference Manual

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