Places the ASCII character "1" into the output queue when all pending operation-complete commands are complete.

*OPC? might return 1 to indicate that all pending OPC operations are finished.

Sets and queries the bits in the Service Request Enable Register (SRER).

Clears the Status Byte Register and the Event Status Register. This command also clears the device’s error queue.

Sets the Event Status Enable register. The register bits determine which standard event status conditions are enabled to contribute to the status summary.

Returns the Standard Event Status Register. The register reports the event status summary.

Returns the instrument identification string.

Sets the operation complete bit in the Standard Event Status Register when all pending command operations have finished. The command has no parameters.

Recalls a previously saved instrument state from nonvolatile memory.

Resets the instrument to its default state. This is a common IEEE 488.2 common command.

Stores the current state of the power supply in nonvolatile memory for later recall.

Sets the service request enable register. It determines which enabled status sources can generate a service request.

Returns the status byte value. This query is part of the IEEE 488.2 status and error command set.

Triggers a group of commands to execute immediately. It is the equivalent of sending a trigger on the bus.

Performs an internal self-test. The query returns the self-test result code.

Waits until all pending selected device operations are completed. It does not generate a response.

Sets the state of the rear-panel TTL control output and queries the state of the rear-panel TTL control input. The command is enabled only when the port mode is DIGITAL.

Sets or queries the function of the TTL control lines on the rear panel of the power supply. The power-on reset value is TRIGger.

Sets the digital function used by the source output. The command is listed in the index as a source subsystem command.

Returns or configures the function mode of the power supply. It can be set to fixed mode or list mode; the query returns the current mode.

[SOURCE:]FUNCTION:MODE LIST

Sets the source function mode. The command is listed under the source command group; the page slice does not provide further syntax details.

Sets or queries how many times the active list will execute. The count can be a specific integer, ONCe, or REPeat.

LIST:COUNT 6 would set the active list to execute 6 times before stopping.

Sets or queries the current for a list step in the active list. Current is specified in amperes or milliamperes when setting the value; the query returns the current setting in amperes for the specified step.

Determines the power supply response to a trigger in list mode. The query returns whether the active list executes continuously or one step per trigger.

LIST:MODE CONT
LIST:MODE? might respond with STEP to indicate that the active list is configured to wait for one trigger for each step.

Configures the number of steps in the active list. The number of steps must be configured before loading the voltage levels, current levels, and/or durations of the steps.

Sets the duration of a specified step in a list. The query form returns the duration for a specified step.

LIST:WIDth 1, 3S
LIST:WIDth? 1

Sets the number of points in the source list. This command is part of the source list programming commands.

Sets the current level in a source list. This command is part of the LIST subsystem and is the list-current equivalent of the standard current level command.

Sets or queries the source list mode. The command is part of the LIST subsystem for configuring list-based sourcing.

Recalls a previously saved list from nonvolatile memory into the active source list. The command is part of the LIST subsystem under SOURCE.

Saves the present source list settings. This command stores the current LIST configuration in nonvolatile memory.

Advances the source list by one step. The command is part of the source list subsystem.

Sets the list voltage level for the selected source. This command is part of the LIST subsystem and may be written with the optional SOURce and LEVel nodes omitted.

Sets the width of the list output step. This command is documented in the source list command group.

Associates the rear-panel DFI TTL output with a specified bit in the status byte register. Once associated, the DFI signal reflects the selected bit state; the port must be in DFI or RI mode before use.

OUTput:DFI:SOURCE QUES sets the DFI signal to respond to the state of the QUES bit in the status byte register (SBR).

Configures whether the power supply powers up with its output turned off or returns the output to the state it was in when it powered down.

OUTPUT:PON RST
OUTPUT:PON? might return RCL0, which would indicate that the instrument will return to the present output state if the power is cycled.

Returns the current input mode of the RI (remote inhibit) input pin. The command is effective only when the rear panel TTL input and output are configured in RI/DFI mode using [SOURce:]DIGital:FUNCtion.

OUTP:RI:MODE LATC
OUTP:RI:MODE? might return OFF, which would indicate that remote inhibit is not controlling the output of the instrument.

Turns the power supply output channel on or off.

Sets or queries the output timer delay. When the timer is activated and a duration is set, the output turns off automatically after the specified duration if left on.

Turns the output timer function on and off. When activated and a duration is set, the output turns off automatically if left on longer than the specified duration.

Selects the source for the DFI signal used by the output section. The command is part of the output control subsystem.

Sets or queries the power-on output state. The command determines the output state after power is turned on.

Clears output protection latching after a protection event.

Sets the output timer delay. The timer delay is associated with the output timer function.

Sets or queries the output timer state. This command can be used to enable or disable the output timer for the source output.

Sets or queries the output state of the source output. The command may be used with the optional SOURCE prefix and optional STATE node.

Sets the over voltage protection (OVP) threshold level. The query form returns the present OVP threshold setting.

Sets or queries the source voltage level. The value can be specified in V, mV, or kV, or set to MIN, MAX, or DEF.

VOLTAGE:MIN
VOLTAGE? might return 1.05, which would be the voltage setting in volts.

Activates, deactivates, or checks the status of overvoltage protection (OVP).

VOLT:PROT:STAT 1
VOLT:PROT:STAT? might return 1, which would indicate that overvoltage protection is active.

Queries the present voltage range limit. The returned value is in volts.

VOLT:RANG? might return 3.2, which would be the maximum programmable voltage in volts.

Sets or queries the voltage protection state for the selected source. The command is part of the source voltage protection subsystem.

Sets the voltage protection level for the source output. The command supports the optional level node in the mnemonic.

Sets the voltage range for the source. The command is part of the source voltage subsystem and is documented alongside the source voltage level and protection commands.

Sets the source voltage level. The command is also shown in abbreviated form as [SOURce:]VOLTage[:LEVel].

Sets and queries the contents of the operation enable register (OENR), an eight-bit mask that determines which Operation Event Register bits affect the OPER bit in the Status Byte Register. The setter accepts a decimal integer mask from 0 to 255.

STATUS:OPERATION:ENABLE 8
STATUS:OPERATION:ENABLE? might return 8, which would indicate that only the Constant Current bit of the Operation Event Register would affect the OPER bit of the Status Byte Register.

Sets or queries the questionable enable register (QENR). The QENR is an eight-bit mask register that determines which bits in the Questionable Event Register affect the QUES bit in the Status Byte Register.

STATUS:QUESTIONABLE:ENABLE 8
STATUS:QUESTIONABLE:ENABLE? might return 8, which would indicate that only a transition of the Remote Inhibit bit of the QCR would affect the QUES bit of the Status Byte Register.

Sets the negative transition filter of the questionable event register. The filter bits are set according to the supplied mask value, and a bit in the questionable event register becomes 1 when the corresponding questionable condition bit transitions from 1 to 0.

Sets the positive transition filter of the questionable event register. The filter contents cause the corresponding bit in the questionable event register to become 1 when the corresponding questionable condition bit transitions from 0 to 1.

STATUS:QUESTIONABLE:PTRANSITION 8
STATUS:QUESTIONABLE:PTRANSITION? might return 8 which would indicate that a positive transition on the Remote Inhibit bit of the QCR would be registered as an event.

Returns the present condition register of the operation status subsystem.

Enables bits in the operation status register mask. This command is part of the status subsystem.

Returns the present questionable status condition register value.

Enables or disables the Questionable Status Enable Register. This register determines which questionable status conditions are included in the status summary.

Returns the questionable event register value. This query reports the contents of the Questionable event register.

Simulates a front-panel button press by key code. The instrument must be in local mode for this command to take effect.

SYSTem:KEY 64 would simulate a press of the Shift key.

Determines how the power supply initializes when power is turned on. It can power up with default settings or restore the settings that were in effect when it was turned off.

SYSTEM:POSETUP? might respond with RST, which would indicate that the power supply is configured to restore the power supply to default settings when it powers up.

Returns the next error in the instrument error queue. The response includes an error code and message.

Sets the output to local control.

Enables remote control of the instrument. The command is listed in the index as a system command.

Locks or unlocks the front panel controls for remote operation.

Sets or queries the trigger source used for trigger events. Valid sources are manual front-panel trigger, immediate trigger, external TTL pulse, or bus trigger.

TRIGGER:SOURCE BUS

Immediately triggers the instrument. This command has no parameters.

Sets whether the sound function is enabled or disabled.

Returns the present DC current reading. The optional :DC node is included in the documented query mnemonic but does not change the returned quantity in the index entry.

Returns the present DC voltage reading from the fetch buffer. The [:DC] node is optional in the command syntax.

Returns the fetched scalar power measurement.

Returns the GPIB-USB address.

Returns the GPIB-USB interface ID string.

Measures the output current. The optional ":DC" node specifies DC current measurement.

Measures the output voltage. The optional DC suffix indicates DC voltage measurement.

Sets the current level of the source output. The command accepts a value in amps, with optional MINimum, MAXimum, or DEFault qualifiers.