Front Panel Menu Reference SCPI Command
Display shows: “Enter P2 measured data”.Enter the data from
the external DMM. This should be about 70% of the full-scale
current rating. Press Enter when done.Press Back to finish.
CAL:LEV P2
*OPC?
CAL:DATA <data>
Current Low Range Measurement
Step 1.Disconnect all equipment form the output terminals.
Step 2. Select the current low range measurement calibration.
Front Panel Menu Reference SCPI Command
Select System\Admin\Cal\Curr\Imeas.
Check thatthe shunt is connected and selectNext.
Specify the low range measurement. Low ranges vary
by model. This selects the 2 A range:
CAL:CURR:MEAS 2
Step 3. Select the first current calibration point.Wait 5 minutes for the temperature to settle.
Front Panel Menu Reference SCPI Command
Wait5 minutes, then selectNext again. CAL:LEV P1
*OPC?
Step 4.Connect a precision shunt resistor to the output. The shunt resistor should be able to measure
the full-scale current of the low range (see Cal Setup B). Connect the Keysight 3458A DMM across the
shunt resistor.
Front Panel Menu Reference SCPI Command
Check that the shunt is connected and select
Next.
Not applicable
Step 5.Select the second current calibration point. There is no wait required for the second point.
Calculate the shunt current (I=V/R) and enter the data.
Front Panel Menu Reference SCPI Command
Display shows: “Enter P2 measured data”.Enter the data from
the external DMM. This should be about 100% of the full-
scale low range rating. Press Enter when done.Press Back to
finish.
CAL:LEV P2
*OPC? CAL:DATA <data>
Current Sharing Calibration
This procedure calibrates the Imon signal that is used when units are connected in parallel.
Step 1. Connect a short across the + and - output terminals. Connect the Keysight 3458A DMM across
pins 2 and 3 of the Sharing connector (see Cal Setup D).
Step 2. Select the current sharing calibration.
7 Verification and Calibration
320 Keysight N6900/N7900 Series Operating and Service Guide
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