Agilent Technologies 8935 Series Manual do Utilizador descarregar pdf (Página 140)

140 Chapter 6

O:\Manuals\E6380A_Progguid\Book\Advoper.fm

Advanced Operations

Status Reporting

Reading the Event Register

Example 6-29 Syntax

*ESR?

Example 6-30 Example

OUTPUT 714;"*ESR?"

ENTER 714;Register_value

The *ESR? query allows the programmer to determine the current

contents (bit pattern) of the Standard Event Status Register. The Test

Set responds to the *ESR? query by placing the binary-weighted

decimal value of the Standard Event Status Register bit pattern into

the Output Queue. The decimal value of the bit pattern will be a

positive integer in the range of 0 to 255. The response data is obtained

by reading the Output Queue into a numeric variable, integer or real.

Reading the Standard Event Status Register clears it (sets all bits to

zero).

Example 6-31 Example BASIC program

10 INTEGER Std_evn_stat_rg

20 OUTPUT 714;"*ESR?"

30 ENTER 714;Std_evn_stat_rg

40 PRINT Std_evn_stat_rg

50 END

Example 6-32 Example response

Clearing the Event Register

The EVENT register is cleared whenever it is queried or whenever the

*CLS Common Command is sent to the Test Set.

Reading the Enable Register

Example 6-33 Syntax

*ESE?

1 2 ... 135 136 137 138 139 140 141 142 143 144 145 ... 328 329

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Agilent Technologies 8935 Series Manual do Utilizador Página 140