• Remote Interface Operation (Digital Input Channel): To assign the
alarm number to report any alarm conditions on the specified digital
input channels, use the following command.
OUTPut:ALARm[1|2|3|4]:SOURce (
@<ch_list>)
To configure alarms on the specified digital input channel, use
the following commands (also see the example on the following page).
CALCulate
:COMPare:TYPE {EQUal|NEQual}[,(
@<ch_list>)]
:COMPare:DATA <
data>[,(@<ch_list>)]
:COMPare:MASK <
mask>[,(@<ch_list>)]
Select EQUal to generate an alarm when the data read from the port
is equal to CALC:COMP:DATA after being masked by
CALC:COMP:MASK.
Select NEQual (not equal) to generate an alarm when the data read
from the port is not equal to CALC:COMP:DATA after being masked by
CALC:COMP:MASK.
Use CALC:COMP:MASK to designate the “don’t care” bits. Bits that you
set to “0” in the mask are ignored.
To enable the specified alarm mode, send the following command.
CALCulate:COMPare:STATe ON [,(
@<ch_list>)]
4
Chapter 4 Features and Functions
Alarm Limits
131
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