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Calibration
102
CAL:STAT
This command enables and disables the calibration mode. The calibration mode must be enabled before the power supply
will accept any other calibration commands. The first parameter specifies the enabled or disabled state. The second
parameter is the password. It is required if the calibration mode is being enabled and the existing password is not 0. If the
second parameter is not entered or is incorrect, an error is generated and the calibration mode remains disabled. The query
statement returns only the state, not the password. Note that whenever the calibration mode is changed from enabled to
disabled, any new calibration constants are lost unless they have been stored with CAL:SAVE.
Command Syntax:
CALibrate:STATe <bool> [,<NRf>]
Parameters
{0 | OFF} | {1 | ON} [,<NRf>]
*RST Value
OFF
Examples
CAL:STAT 1,4356 CAL:STAT OFF
Query Syntax
CALibrate:STATe?
Returned Parameters
{0 | 1 }
Related Commands
CAL:PASS CAL:SAVE
CAL:VOLT
This command is used to calibrate the output voltage. The command enters voltage value that you obtain from an external
meter. (If you are entering the voltage value, allow time for the DVM to stabilize.) You must first select a calibration level
(CAL:VOLT:LEV) for the value being entered. Two successive values (one for each end of the calibration range) must be
selected and entered. The power supply then computes new voltage calibration constants. These constants are not stored in
nonvolatile memory until saved with the CAL:SAVE command.
Command Syntax
CALibrate:VOLTage[:DATA] <NRf>
Parameters
(See applicable Output Ratings in "Chapter 1- General Information")
Default Suffix
A
Examples
CAL: VOLT 322 . 5 MV CAL: VOLT: DATA 3 . 225
Query Syntax
(None)
Related Commands
CAL:SAVE CAL:STAT
CAL:VOLT:LEV
This command sets the power supply to a calibration point that is then entered with CAL:VOLT[:DATA]. During
calibration, two points must be entered and the low-end point (MIN) must be selected and entered first.
Command Syntax
CALibrate:VOLTage:DATA {MIN|MAX}
Parameters
{ < CRD > | MINimum | MAXimum}
Examples
CAL: VOLT: LEV MIN CAL: VOLT: LEV MAX
Query Syntax
(None)
Related Commands
CAL:VOLT[:DATA] CAL:STAT
CAL:VOLT:PROT
This command calibrates the overvoltage protection (OV) circuit. It takes several seconds to complete. The output voltage
must be calibrated before this procedure is performed. Also, the power supply output must be enabled and operating in the
constant voltage (CV) mode. If present, the optional relay accessory must either be disconnected or set to the off (open)
state. The power supply automatically performs the calibration and stores the new OV constant in nonvolatile memory.
Command Syntax:
CALibrate:VOLTage:PROTection
Parameters
(None)
Example
CAL: VOLT: PROT
Query Syntax
(None)
Related Commands
CAL:STAT