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8-4
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2308-900-01 Rev. A / July 2008
Section 8: Common Commands
Model 2308 Portable Device Battery/Charger Simulator User’s Manual
2 = Memory location 2
3 = Memory location 3
Use the
*SAV
command to save the present instrument setup configuration in memory for later
recall. Any control affected by
*RST
can be saved by the
*SAV
command. The
*RCL
command is
used to restore the instrument to the saved setup configuration. Four setup configurations can be
saved and recalled.
*SAV
and
*RCL
are global commands (not channel specific). Consequently,
when a setup is saved or recalled, both channels are affected.
*RST
*RST — reset
Return power supply to RST defaults
When the
*RST
command is sent, the power supply performs the following operations:
1. Returns the instrument to the RST default conditions (see “Default” column of SCPI
tables in
Section 11
).
2. Cancels all pending commands.
3. Cancels response to any previously received *OPC and *OPC? commands.
*TRG
*TRG[1] — trigger
Send battery channel (#1) bus trigger to power
supply
*TRG2 — trigger
Send charger channel (#2) bus trigger to
power supply
Use the
*TRG
command to trigger a single reading for the function presently selected. If the
average count is >1, then the single reading will be the average reading.
*TST?
*TST? — self-test query
Run self test and read result
Use this query command to perform a checksum test on ROM. The command places the coded
result (0 or 1) in the output queue. When the power supply is addressed to talk, the coded result is
sent from the output queue to the computer.
A returned value of zero (0) indicates that the test passed, and a value of one (1) indicates that the
test failed.
*WAI
*WAI - wait-to-continue
Wait until previous commands are completed
Effectively, the
*WAI
command is a no-op (no operation) for the power supply and therefore, does
not need to be used.
Two types of device commands exist:
• Sequential commands - A command whose operations are allowed to finish before the next
command is executed.
• Overlapped commands - A command that allows the execution of subsequent commands
while device operations of the overlapped command are still in progress.
NOTE
The output is always off when a memory location is recalled.
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