HP 34970A manual 131

Chapter 4 Features and Functions

Alarm Limits

∙exx Vxytvx bxt”(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[1234]:SOURce (@<v“r >)

To configure alarms on the specified digital input channel, use

the following commands (t x “x xtx “x y”z zx			).
CALCulate
:COMPare:TYPE {EQUalNEQual}[,(@<v“r			>)]
:COMPare:DATA <wtt >[,(@<v“r		>)]
:COMPare:MASK <	>[,(@<v“r	>)]

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 4

from the port ” 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 [,(@<v“r >)]

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