Keithley 6220

Model 6220/6221 Reference Manual Calibration 17-23
Return to Section 17 topics
Table 17-8
CAL:PROT:GUAR command parameter ranges
Step Parameter
STEP1 0.00 to +50.0e-3
STEP2 -50.0e-3 to 0.0
NOTE: Step1 and Step 2 may be performed in
any order, but both must be completed, and
each step must be initialized with INIT before
being run.
Table 17-9
Calibration errors
Number Description
+500 "Date of calibration not set"
+501 "Next date of calibration not set"
+502 "Calibration data invalid"
+503 "DAC calibration overflow"
+504 "DAC calibration underflow"
+505 "Source offset data invalid"
+506 "Source gain data invalid"
+507 "Sense offset data invalid"
+508 "Sense gain data invalid"
+509 "Not permitted with cal locked"
+510 "Not permitted with cal un-locked"
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