M470039-01 REV-F Page 101
Example: UTIL:RANG 0 – Sets the electronic load to manual range.
SYST:RANG?
This command returns the number of ranges for each mode in a “CV/CC/CR/CP” sequence.
Example: SYST:RANG? – returns “1/2/3/2” means 1 range for CV mode, 2 ranges for CC mode, 3
ranges for CR mode and 2 ranges for CP mode.
COMMON COMMANDS
A common command begins with an * and consists of three letters. It is followed by a “?” if it is a query. They are
generally not related to specific device operation but to perform the identical function for all instruments that are
compliant with the IEEE488.2 standard. Common commands can be mixed in with regular Electronic Load commands.
The eLoad responds to 8 common commands that control internal operation, status and event registers, and system data.
*CLS Clear Status Command
This command clears the Status Byte summary register and all event register.
*ESR? Event Status Register Query
This command queries the Standard Event Status register. Reading it clears it.
*IDN? Identification Query
This query requests the Electronic Load to identify itself. It returns the model number of the unit.
*STB? Status Byte Query
This query reads the Status Byte Register. Reading the register does not clear it.
*TRG Trigger Command
This command generates a trigger to the Electronic Load.
*TST? Test Query
This query causes the Electronic Load to go through a self-test.
*SAV Save Command
This command stores the present state and calibration data to internal back-up flash memory.
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