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SOURce Subsystem
According to SCPI standard, SOURce node is optional, so the devices which
are primarily sources accept shorter commands.
This subsystem contains commands that program power supply parameters or
commands that query programmed power supply parameters (for example:
programmed values for current and voltage, programmed values for step
current and step voltage, lowest or highest value possible to program for current
and voltage etc. )
:CURRent[:LEVel][:IMMediate][:AMPLitude] {<current>|MIN|MAX|UP|DOWN}
This command allows you to set the current value to the output of the power
supply.
Instead of a numeric value, you can use MIN or MAX, UP or DOWN
parameters.
MIN allows you to set the lowest current value, which is 0 A.
MAX allows you to set the highest possible current value for model you have.
With UP or DOWN parameters, this command allows you to increase /
decrease the output value of the current with a preset value (the step you set
with :CURRent:STEP {<numeric value>|DEFault} command, or the default
step of the power supply).
The power supply does not allow you to increase over the maximum allowed
value for this parameter or to decrease above the minimum allowed value of
this parameter (when the minimum/maximum value is reached, the power
supply does not decrease/increase that value anymore).
:CURRent[:LEVel][:IMMediate][:AMPLitude]? [MIN|MAX]
This command queries the programmed current level.
MIN and MAX parameters are optional. When using MIN or MAX parameters,
the power supply returns the lowest or the highest value that are possible to
program for current, depending on the parameter.
:CURRent[:LEVel][:IMMediate]:STEP[:INCrement] {<numeric value>|DEFault}
This command allows you to set the current step for CURR UP or CURR
DOWN command. The default value for current step is 1 mA.
:CURRent[:LEVel][:IMMediate]:STEP[:INCrement]? [DEFault]
This command queries the programmed current step value (if no parameter
specified), or the default current step value (if DEFault parameter is specified
within the command). The returned value is specified in Amps.
Example: Here is an example of how you program current step value and
how you increase / decrease current output value using step.
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