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Programming Output Steps
Programming Output Steps
The transient system of the Agilent N8900 HPS lets you generate output steps. An output step is a one-time event
that steps the output voltage or current up or down in response to a trigger. The following steps are required to gen-
erate a triggered output step:
Enable the output to respond to step triggers
l
Program the voltage or current step levels
l
Initiate the transient system
l
Trigger the output step
l
Enable the output to respond to step triggers
First, you must enable the output to respond to Step triggers. Unless an output is enabled to respond to triggers, noth-
ing will happen even if you have programmed a trigger level and generated a trigger for the output.
Front Panel Menu
Select Transient\Mode.
For voltage step triggering, set the tran-
sient mode to Step. For current step trig-
gering, set the transient mode to Step.
Then press Select.
In Step mode, the triggered value becomes the immediate value when the trigger is received. In
Fixed mode, trigger signals are ignored; the immediate values remain in effect when a trigger is
received.
Program the voltage or current step levels
Next, use the following commands to program a triggered level. The output will go to this level when the trigger is
received.
Front Panel Menu
Select Transient\Step.
Select the Trig Voltage box to set the
voltage. Select the Trig Current box to set
the current.
Enter a value and press Select.
Initiate the transient system
When the unit is turned on, the trigger system is in the idle state. In this state, the trigger system is disabled, ignoring
all triggers. The INITiate commands enable the trigger system to receive triggers.
56
SCPI Command
To enable the transient function to
respond to step triggers, use:
VOLT:MODE STEP
or
CURR:MODE STEP
SCPI Command
To set a voltage step level to 55 V, and a
current step level to 110 A, use:
VOLT:TRIG 55
CURR:TRIG 110
Agilent N8900 Series Operating and Service Guide
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