Sequoia Series 73
4.11 Source Subsystem - Current
This subsystem programs the output current of the Sequoia Series power source.
Subsystem Syntax
[SOURce:]
CURRent
[:LEVel]
[:IMMediate]
[:AMPLitude] <n> Sets the rms current limit
:HIGH Sets the soft limits for maximum output current to
which the unit could be programmed.
:LOW Sets the soft limits for minimum output current to
which the unit could be programmed.
:PROTection
:STATe <bool> Select rms current limit protection mode
:DELay Set the delay in seconds before protection is enabled
:MODE <mode> Sets the current mode (FIX|STEP|PULS|LIST)
:TRIGgered
[:AMPLitude] <n> Sets the transient current amplitude
:SLEW
[:IMMediate] <n> | MAXimum Sets the current slew rate
:MODE <mode> Sets current slew mode
(FIX|STEP|PULS|LIST)
:TRIGgered
[:AMPLitude] <n> | MAXimum Sets the transient current slew rate
:PHASe Sets the phase shift in eLoad Current Programming
mode
:PF Sets the power factor in eLoad Current Programming
mode. PF refers to Power Factor.
:ALControl
[:STATe] This command enables or disables the automatic
current level control mode
:REFerence
[:STATe] Set the source of reference INT|RPV
CURRent
Phase selectable
This command sets the rms current limit of the output. If the output current exceeds this limit, the output
voltage amplitude is reduced until the rms current is within the limit if the current protection mode is
disabled and the current protection delay time is expired. The CL bit of the questionable status register
indicates that the current limit control loop is active. If the current protection state is programmed on,
the output latches into a disabled state when current limiting occurs and the current protection delay
time is expired.
Note that the CURRent command is coupled with the VOLTage:RANGe and SOURce:MODE
commands. This means that the maximum current limit that can be programmed at a given time
depends on the voltage range setting and the voltage mode (DC or AC) in which the unit is presently
operating.
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