3 Calibration Procedures
60 Keysight 34980A Service Guide
Analog Output Adjustment
Install the 34951A module in the mainframe and allow a 1 hour warm-up before
performing these procedures.
This adjustment procedure sets a zero adjustment and a gain adjustment
constant for each DAC output. You must perform all the adjustments on one
analog output channel before adjusting the other analog output channel.
1 Install the module(s) in the instrument. Remove any inputs from the ABus
connector.
2 Set the calibration security for the adjustment mode you desire, see page 56.
3 Send the CALibration:MODule? <slot> command to begin the
auto-calibration procedure for all channels on the module in <slot>. You may
use the CALibration:MODule? ALL command to perform the
auto-calibration on all channels for all modules installed in the mainframe. The
complete procedure may take up to 1 minute per module. Be sure to set the
remote command time-out value appropriately.
4 The command returns a value of “+0” if the calibration is successful.
A returned value of “+1” indicates a calibration failure.
Remove any ABus connector before performing this procedure.
Following the auto-calibration procedure, the DMM is left in its reset state
(DCV).
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