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Model 4200A

-SCS Parameter Analyzer Reference Manual Section 5: Pulse measure and pulse generator units

4200A-901-01 Rev. C / February 2017 5-31

For optimum performance, you should do connection compensation any time the connection setup is

changed or disturbed. Changes in temperature or humidity do not affect connection compensation.

When you run connection compensation, the following status messages are generated:

• Starting PMU Cable Compensation...

• R = % Ohms

• PMU Cable Compensation complete.

% = value (V and I measured, Ohms calculated).

Any failures with the compensation process are reported as errors:

• Maximum Ch x leakage current at 0V exceeded! I = %gA

• Maximum Ch x pulse leakage current exceeded! I = %gA

• Ch x voltage offset exceeded at 0V! V = %gV

• Ch x cable pulse measure current is out of tolerance! I = %gA

• Ch x cable pulse measure voltage is out of tolerance! V = %gV

• Ch x pulse voltage exceeded! V = %gV

• Open cable impedance too low! R = %g Ohms

• Cable impedance too high! R = %g Ohms

Where:

• Ch x = channel 1 or channel 2

• %g = double value (V and I measured, Ohms calculated)

Keithley 4200A-SCS Reference Manual

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