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Programming Examples

VOLTage:TRIGgered <n> or CURRent:TRIGgered <n>

Note: Until they are explicitly programmed, triggered levels will assume

their corresponding immediate levels. For example, if a electronic load is

powered up and VOLTage:LEVel is programmed to 6, then

VOLTage:LEVel:TRIGger will also be 6 until you program it to another

value. Once you program VOLTage:LEVel:TRIGger to a value, it will

remain at that regardless of how you subsequently reprogram

VOLTage:LEVel. Then, when the trigger occurs, the VOLTage:LEVel is set

to the VOLTage:LEVel:TRIGger value.

13.2.9 Generating Triggers

You can generate a single trigger by sending the following command over the

GPIB:

TRIGger:IMMediate

Note that this command will always generate a trigger. Use the

TRIGger:SOURce command to select other trigger sources such as the

mainframe's external trigger input.

13.3 Programming Transients

Transient operation is used to synchronize input changes with internal or

external trigger signals, and simulate loading conditions with precise control of

timing, duration, and slew. The following transient modes can be generated:

 Continuous: Generates a repetitive pulse stream that toggles between two

load levels.

 Pulse: Generates a load change that returns to its original state after some

time period.

 Toggled: Generates a repetitive pulse stream that toggles between two

load levels. Similar to Continuous mode except that the transient points are

controlled by explicit triggers instead of an internal transient generator.

NOTE: Before turning on transient operation, set the desired mode of operation

as well as all of the parameters associated with transient operation. At *RST all

transient functions are set to OFF.

Continuous Transients

In continuous operation, a repetitive pulse train switches between two load

ITech IT8700 Series Programming Guide

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