Chapter 4 Features and Functions

Alarm Limits

∙For details on configuring alarms on the multifunction module, see “Using Alarms With the Multifunction Module” on page 130.

∙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: To select the alarm for use on the active channel, choose from the following items.

NO ALARM , USE ALARM 1 , ... USE ALARM 4

Then, choose from the following alarm conditions.

HI+LO ALARMS , HI ALARM ONLY , LO ALARM ONLY

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Then, set the desired limit values and exit the menu. 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 (@103,212)

To set the upper and lower alarm limits on the specified channels, use the following commands.

CALC:LIMIT:UPPER 5.25,(@103,212)

CALC:LIMIT:LOWER 0.025,(@103,212)

To enable the upper and lower alarm limits on the specified channels, use the following commands.

CALC:LIMIT:UPPER:STATE ON,(@103,212)

CALC:LIMIT:LOWER:STATE ON,(@103,212)

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