Using Scpi - Keithley 2450 Reference Manual

Interactive sourcemeter instrument

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Model 2450 Interactive SourceMeter® Instrument Reference Manual

Using SCPI

There are no SCPI commands that you can use to upgrade the firmware. To upgrade the firmware,

you must either use the front panel or switch the command set to TSP.

To use the front panel to upgrade the firmware, see

Do not turn off power or remove the USB flash drive until the upgrade process is complete.

If you need to upgrade the firmware from a remote interface and you are using one of the SCPI command

sets, do the following steps:

1. Copy the firmware upgrade file to a USB flash drive.

2. Verify that the upgrade file is in the root subdirectory of the flash drive and that it is the only

firmware file in that location.

3. Disconnect the input and output terminals that are attached to the instrument.

4. Power on the instrument.

5. Change the command set to TSP by sending the command:

6. Turn the instrument off and then turn it on again.

7. Insert the flash drive into the USB port on the front panel of the instrument.

8. Send the command for the type of upgrade you want to do:

To upgrade to a newer version of firmware, send:

upgrade.unit()

To return to a previous version of firmware, send:

upgrade.previous()

9. After completion of the upgrade, turn the instrument off and then turn it on again.

10. To return to the SCPI 2400 command set, send the command:

*LANG SCPI2400

11. To return to the SCPI 2450 command set, send the command:

12. Turn the instrument off and then turn it on again.

A message is displayed on the front panel of the instrument while the upgrade is in process. In

addition, the LEDs in the upper right of the front panel blink while the upgrade is in process.

2450-901-01 Rev. B/September 2013

From the front panel

(on page A-4).

Appendix A: Maintenance