Agilent Technologies 664xA, 665xA, 667xA, 668xA, AGILENT Model 6653A: 3145A-00551, Model 6641A: 3217A-00111, Model 6645A: 3215A-00111, Model 6651A: 3130A-00171, Model 6652A: 3201A-00381, Model 6654A: 3148A-00391, Model 6655A: 3152A-00176, Model 6671A: 3129A-00218, Model 6672A: 3138A-00101, Model 6673A: 3138A-00101, Model 6674A: 3133A-00161, Model 6675A: 3138A-00101, Model 6680A: 3302A-00101, Model 6681A: 3250A-00101, Model 6682A: 3339A-00101, Model 6683A: 3339A-00161, Model 6684A: 3339A-00101

Calibration

100

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 power supply overvoltage protection (OV) circuit. The output voltage must be in calibration

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. CAL:VOLT:PROT

is a sequential command that takes several seconds to complete.

Command Syntax: CALibrate:VOLTage:PROTection

Parameters (None)

Example CAL: VOLT: PROT

Query Syntax (None)

Related Commands CAL:STAT

Agilent BASIC Calibration Program

The following program can be run on any controller operating under Agilent BASIC. The assumed power supply address is

5 and calibration password is 6680. If required, change these parameters in the appropriate statements.

Note If you are calibrating models 664x, 665x, or 667x, delete or comment out lines 640 through 670 in the

following calibration program. These program lines are only required when calibrating models 668x.