Remote Calibration - Keithley 2701 Service Manual

Model 2701 Ethernet-Based DMM / Data Acquisition System Service Manual

Remote calibration

Follow the steps in this section to perform comprehensive procedures via remote. See the
reference (on page 8-1) for a detailed list and description of remote calibration commands.
When sending calibration commands, be sure that the 2701 completes each step before sending the
next command. You can do so either by observing the front panel CALIBRATING message or by
detecting the completion of each step via remote.
The procedures for calibrating the 2701 via remote include:
•
Preparing the 2701 for calibration
•
Short and open calibration
•
DC voltage calibration
•
Resistance calibration
•
DC current calibration
•
AC voltage calibration
•
AC current calibration
•
Programming calibration dates
•
Saving calibration constants
•
Locking out calibration
As with front panel calibration, you can choose to perform comprehensive, DC-only, or AC-only
calibration. Be sure to include a space character between each command and parameter.
Preparing the Model 2701 for calibration
To prepare the 2701 for calibration:
1. Connect the 2701 to the ethernet or connect the unit to a computer through the RS-232 port.
2. Turn on the 2701 and allow it to warm up for at least two hours before performing calibration.
3. Unlock the calibration function by sending :CAL:PROT:CODE 'KI002701'.
The above command shows the default code, KI002701.
4. Send :CAL:PROT:INIT to initiate calibration.
2701-902-01 Rev. B / December 2018
Section 2: Calibration
Calibration
2-13