APT 8520 - GPIB;USB;LAN Interface Sample Command List

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The following commands are used to control actual output voltage and current from the instrument.
This command set also includes query commands. These query commands will retrieve data from the
instrument. The GPIB bus application requires an IEEE-488 read command to be sent after the query
command. These commands include functions for retrieving test data, test results and metering values.
7.6.1 Basic Commands and Query Commands
OUTP:STAT ON
Turns on the output voltage at the selected step loaded into memory.
OUTP:STAT OFF
Turns the output voltage o.
OUTP:STAT ON
Turns on the output voltage at the selected step loaded into memory.
OUTP:STAT OFF
Turns the output voltage o.
OUTP:PROT:CLE
Clears the failure message from the instrument in the event of a failure.
7.6 GPIB/USB/LAN Interface Sample Command List
A GPIB read command must be sent after the command strings, to retrieve any data from a query
command (?). The APT 8500 series GPIB bus will not send any data to the controller without being
queried. The USB/LAN bus will automatically send any response back to the controller’s input buer. Each
command string should be terminated with the ASCII control code, New Line <NL>, OAh or the end of line
EOL message for GPIB.
The following conventions are used to describe the commands syntax. Braces ({ }) enclose each parameter
for a command string. Triangle brackets (< >) indicate that you must substitute a value for the enclosed
parameter. The Pipe ( | ) is used to separate dierent parameter options for a command. Do not include any
of the above characters when sending the commands. The command and the value should be separated
with a space. For a list of All SCPI commands, refer to section 7.4.1- SCPI Tree.
All commands that end with a question mark (?) are query commands and require an IEEE-488 read
command to retrieve the data from the device’s output buer.