User`s guide

149
Chapter 4 Features and Functions
Alarm Limits
4
• 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>)]
34970A Refresh UG.book Page 149 Wednesday, February 17, 2010 12:34 PM