17-14 Calibration Model 6220/6221 Reference Manual
Return to Section 17 topics
Remote calibration
Follow the steps below to calibrate the Model 6220/6221 remotely. See “SCPI
commands — calibration,” on page 17-20 for complete command details.
Step 1: Prepare for calibration
1. With the power off, connect the digital multimeter (DMM) to the Model 6220/
6221 OUTPUT jack, as shown in Figure 17-1. Also connect the shorting
connector to the INTERLOCK connector (see Section 2 for interlock con-
nections).
2. Turn on the Model 6220/6221 and calibration equipment, and allow them to
warm up for one hour before proceeding.
3. Send these commands to restore defaults, unlock calibration, and turn on
the output:
Step 2: Calibrate current source
1. Select the DMM DC current function with auto range enabled.
2. Send these commands in order to calibrate the 100mA current source
range using the <DMM_Reading> parameter (actual digital multimeter
reading) for each step:
NOTE Be sure to allow enough time for each command
to complete before going on to the next step. You
can use the *OPC command (Section 12) and SRQ
and status structure bits (Section 11) to determine
when a step has been completed.
*RST ‘ Restore defaults.
CAL:PROT:CODE ‘KI006220’ ‘ Unlock cal. (6220 default shown;
‘ use KI006221 as 6221 default.)
OUTP ON ‘ Turn on output.
SOUR:CURR:RANG 0.1 ‘ Select 100mA range.
SOUR:CURR 0.1 ‘ Output 100mA.
CAL:PROT:SOUR <DMM_Reading> ‘ Calibrate +100mA using reading.
SOUR:CURR 0 ‘ Output 0mA.
CAL:PROT:SOUR <DMM_Reading> ‘ Calibrate 0mA using reading.
SOUR:CURR -0.1 ‘ Output -100mA.
CAL:PROT:SOUR <DMM_Reading> ‘ Calibrate -100mA using reading.
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