Features and Functions
3
Keysight 34980A Mainframe User’s Guide
177
– The default values for the upper and lower alarm limits are “0”.
The lower limit must always be less than or equal to the upper limit, even if you
are using only one of the limits.
– For details on configuring alarms on the digital modules, see
– A Factory Reset (
*RST
command) clears all alarm limits and turns off all
alarms. An Instrument Preset (
SYSTem:PRESet
command) or Card Reset
(
SYSTem:CPON
command) does not clear the alarm limits and does not turn off
alarms.
Front Panel Operation:
Alarm > LOW LIMIT > HIGH LIMIT > THIS CHANNEL
ALARM
After selecting the lower and upper limit for the selected channel, assign one of
the four alarm numbers. Note that the instrument does not start evaluating the
alarm conditions until you exit the
Alarm
menu.
Remote Interface Operation:
To assign the alarm number to report any alarm
conditions on the specified channels, use the following command (if not assigned,
all alarms on all channels are reported on Alarm 1 by default).
OUTPUT:ALARM2:SOURCE (@2001,2012)
To set the upper and lower alarm limits on the specified channels, use the
following commands.
CALC:LIMIT:UPPER 5.25,(@2001,2012)
CALC:LIMIT:LOWER 0.025,(@2001,2012)
To enable the upper and lower alarm limits on the specified channels, use the
following commands.
CALC:LIMIT:UPPER:STATE ON,(@2001,2012)
CALC:LIMIT:LOWER:STATE ON,(@2001,2012)
