Agilent Technologies E1326B Manual de usuario descargar pdf (Pagina 15)

Introduction to Operation

This section contains information on checking communication between the

multimeter, mainframe, and computer. It includes information on returning

the multimeter to a known operating state should programming errors occur

or if you simply want to start over. It also shows how to send a command to

configure the multimeter and make a measurement.

Note The HP E1411B has a "Failed" annunciator and an "Access" annunciator on

the faceplate. The "Failed" annunciator turns on if the multimeter does not

properly respond during the mainframe’s power-on sequence. If this

occurs, return the multimeter to Hewlett-Packard for service. The "Access"

annunciator turns on each time the multimeter receives a command.

Multimeter Self-Test Once the mainframe completes its power-on sequence, the multimeter is

ready for use. Sending the self-test command is an easy way to verify that

you are properly addressing the multimeter. Also, the self-test is useful in

locating intermittent problems that might occur during operation. The

command used to execute the self-test is:

*TST?

You can also run the self-test by selecting “TEST” from the multimeter’s

front panel menu on the HP E1301A mainframe. Upon execution, the

self-test resets the multimeter, performs the test, and returns one of the

codes listed in Table 1-2.

The following program executes the self-test. The program assumes the

mainframe (command module for C-size systems) is at primary HP-IB

address of 09 and the multimeter is at secondary address 03. The program

also assumes an HP 9000 Series 200/300 computer is used.

10 !Send the self-test command to the multimeter.

20 OUTPUT 70903;"*TST?"

30 !

Enter and display the self-test code.

40 ENTER 70903;A

50 PRINT A

60 !

Reset the multimeter.

70 OUTPUT 70903;"*RST"

80 END

After the test passes, always reset the multimeter to return it to a known state.

16 Getting Started with the HP E1326B/E1411B Multimeter Chapter 1

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Agilent Technologies E1326B Manual de usuario Pagina 15