OUTPut:ALARm[{1|2|3|4}]:SOURce (@<ch_list>)
OUTPut:ALARm[{1|2|3|4}]:SOURce?
Only supported on multiplexer modules (DAQM900A, DAQM901A, DAQM902A, and DAQM908A) and
DAQM907A multifunction module.
Assigns one of four alarm numbers to report any alarm conditions on the specified multiplexer or digital channels.
On the digital modules, you can configure the instrument to generate an alarm when a specific bit pattern or bit pat-
tern change is detected on a digital input channel or when a specific count is reached on a totalizer channel.
Parameter Typical return
(none) #210
Assigns Alarm 2 to report any alarm conditions: OUTP:ALAR2:SOUR
The query returns a series of channel numbers in definite-length block format. The syntax is a pound sign (#) fol-
lowed by a non-zero digit representing the number of digits in the decimal integer to follow. This digit is followed by
a decimal integer indicating the number of 8-bit data bytes to follow. This is followed by a block of data containing
the specified number of bytes, as below:
– An empty scan list (with no channels selected) will return "#13(@)".
– You can assign multiple channels to any of the four available alarms (numbered 1 through 4). For example, you
can configure the instrument to generate an alarm on the Alarm 1 output when a limit is exceeded on any of
channels 103, 205, or 310. You cannot, however, assign alarms on a specific channel to more than one alarm
number.
– A Factory Reset (*RST command) clears all alarm limits and turns off all alarms.
200
Keysight DAQ970A/DAQ973A Programming Guide
2 SCPI Programming
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