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Chroma 19020 - Page 89

Chroma 19020
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GPIB/RS232 Interface (IEEE-488.2)
6-27
Example: Input the command SAFE:STEP3:IR?
The tester returns 1.000000E+03.
Description: The returned 1.000000E+03 means the voltage required for
insulation resistance test for the host STEP 3 is set to 1kV.
[:SOURce]:SAFety:STEP<n>:IR:LIMit:HIGH < numeric value >
It sets the high limit of insulation resistance for selected STEP. The unit is ohm.
Range: 100000~50000000000
Example: Input the command SAF:STEP3:IR:LIM:HIGH 50000000000.
Description: It means the high limit of insulation resistance for the host STEP 3 is
50G.
[:SOURce]:SAFety:STEP<n>:IR:LIMit:HIGH?
It queries the high limit of insulation resistance for selected STEP.
Example: Input the command SAF:STEP3:IR:LIM:HIGH?
The tester returns 5.000000E+10
Description: The returned 5.000000E+10 query the high limit of insulation
resistance for selected STEP. 50G.
[:SOURce]:SAFety:STEP<n>:IR:LIMit[:LOW] < numeric value >
It sets the low limit of insulation resistance for selected STEP. The unit is ohm.
Range: 100000~50000000000 (low limit of insulation resistance ≤ set high
limit.)
Example: Input the command SAFE:STEP3:IR:LIM 100000.
Description: It means the low limit of insulation resistance for the host STEP 3 is
0.1M.
[:SOURce]:SAFety:STEP<n>:IR:LIMit[:LOW]?
It queries the low limit of insulation resistance for selected STEP.
Example: Input the command SAFE:STEP3:IR:LIM?
The tester returns 1.000000E+05.
Description: The returned 1.000000E+05 query the high limit of insulation
resistance for selected STEP. 0.1M.
[:SOURce]:SAFety:STEP<n>:IR:RANGe:UPPer < numeric value >
It selects the upper current range for measurement based on the inputted current. The
unit is Ampere (A).
Example: Input the command SAF:STEP3:IR:RANG 0.0003.
Range: 0.000000001~0.005 for 19020, 0.000000001~0.0035 for 19022.
Description: It means the current for IR measurement in the host STEP 3 is 300uA,
so the upper current range selected for IR measurement is 3mA.
[:SOURce]:SAFety:STEP<n>:IR:RANGe:UPPer?
It queries the upper range set.
Example: Input the command SAF:STEP3:IR:RANG?
The tester returns 3.000000E-03.
Description: The returned 3.000000E-03 means the range set for the host STEP 3
is 3mA.

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