2400 Series SourceMeter
®
User’s Manual Getting Started 1-11
WARNING The power cord supplied with the SourceMeter contains a separate
ground for use with grounded outlets. When proper connections are
made, instrument chassis is connected to power line ground through
the ground wire in the power cord. Failure to use a grounded outlet
may result in personal injury or death due to electric shock.
3. Turn on the instrument by pressing the front panel power switch to the on (1)
position.
Power-up sequence
On power-up, the SourceMeter performs self-tests on its EPROM and RAM and momen-
tarily lights all segments and annunciators. If a failure is detected, the instrument momen-
tarily displays an error message, and the ERR annunciator turns on (error messages are
listed in Appendix B).
NOTE For the Model 2430, there is an internal bank of capacitors that need to charge.
While charging, the message “Charging capacitor bank, please wait” message
will be displayed for approximately 10 seconds.
If a problem develops while the instrument is under warranty, return it to Kei-
thley Instruments, Inc., for repair.
If the instrument passes the self-tests, the model number and the firmware revision levels
are displayed. For example:
REV A01 A02
where: A01 is the main board ROM revision.
A02 is the display board ROM revision.
Also displayed is the line frequency. (If the wrong frequency is displayed, it can be set
manually as covered below). The communication interface status is briefly displayed. If
the IEEE-488 bus is the presently selected interface, the identification message will
include the primary address. For example, if the primary address is 24 (factory default),
the “IEEE Addr=24” message is displayed. If the RS-232 interface is selected, the
“RS-232” message is displayed.
After the power-up sequence, the instrument goes to its normal display state with the out-
put off (OUTPUT indicator light off). With the output off, the “OFF” message is dis-
played, and dashes replace the reading.
System identification
To obtain the serial number and revision information, use the MENU/GENERAL/
SERIAL # selection or the *IDN? query via remote.
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