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Front Panel Menu Reference
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.
Generate a trigger signal
The output step can generate a trigger signal that can be routed to a pin on the digital port that has
been configured as a trigger output (TOUT). Use the following commands to generate a trigger signal
when the step occurs:
Front Panel Menu Reference
Select Transient\Step.
Check Enable Trigger Output. Then press Select.
Programming a List Transient
Enable the list function
l
Program the list levels
l
Program the dwell times
l
Specify the list pacing
l
Specify any trigger signals that the list should generate
l
Specify how many times you want the list to repeat
l
Specify how you want the list to end
l
Lists let you generate complex sequences of output changes with rapid, precise timing, which may be
synchronized with internal or external signals. In contrast to an output step, which is a one-time output
change, an output list is a sequence of output changes. Lists can contain up to 512 individually
programmed steps, and can be programmed to repeat themselves. Only the parameters associated
with one of the priority modes, either voltage or current priority, may be list controlled.
The voltage and current lists are paced by a separate dwell list that defines the duration or dwell of
each step. Each of the up to 512 steps can have a unique dwell time associated with it, which specifies
the time in seconds that the list will remain at that step before moving on to the next step. Refer to
LIST:DWEL
for information about the dwell range and resolution.
Lists can also be trigger-paced, in which the list advances one step for each trigger received. This is
useful if you need an output list to closely follow triggered events. With a trigger-paced list, triggers
that are received during the dwell period are ignored. You can set the list dwell time to zero ensure
that no triggers are lost.
Keysight RP7970 & RP7980 Series Operating and Service Guide
4 Using the Regenerative Power System
SCPI Command
To set a voltage step level of 15 V use:
VOLT:TRIG 15
To set a current step level of 1 A use:
CURR:TRIG 1
SCPI Command
To program a Step trigger signal, use:
STEP:TOUT ON
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