Remote Interface Reference 3
E364xA User’s and Service Guide 117
Triggering Commands
The power supply’s triggering system allows a change in voltage and current
when receiving a trigger, to select a trigger source, and to insert a trigger.
Triggering the power supply is a multi-step process.
– First, you must specify the source from which the power supply will accept the
trigger. The power supply will accept a bus (software) trigger or an immediate
trigger from the remote interface.
– Then, you can set the time delay between the detection of the trigger on the
specified trigger source and the start of any corresponding output change.
Notice that the time delay is valid for only the bus trigger source.
– Finally, you must provide an INITiate command. If the IMMediate
source is
selected, the selected output is set to the triggered level immediately. But if
the trigger source is the bus, the power supply is set to the triggered level after
receiving the Group Execute Trigger (GET) or *TRG
command.
Trigger source choices
You must specify the source from which the power supply will accept a trigger.
The trigger is stored in volatile memory; the source is set to bus when the power
supply has been off or after a remote interface reset.
Bus (software) triggering
– To select the bus trigger source, send the following command.
– To trigger the power supply from the remote interface (GPIB or RS-232) after
selecting the bus source, send the *TRG (trigger) command. When the *TRG is
sent, the trigger action starts after the specified time delay if any delay is
given.
– You can also trigger the power supply from the GPIB interface by sending the
IEEE-488 Group Execute Trigger (GET) message. The following statement
shows how to send a GET from a Keysight Technologies controller.
TRIG:SOUR BUS
TRIGGER 705
(group execute trigger)
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