Exfo FTB-500 (Window XP) Manual do Utilizador descarregar pdf (Página 262)

100

101

Using FTB Products in an Automated Test Environment

254 FTB-500

SCPI Command Structure

<mnemonic> Element used in the construction of certain data types and program

messages.

In the diagram above,

 “<Upper/lower case alpha>” corresponds to ASCII character codes

(65 to 90 and 97 to 122, in decimal).

 “_” corresponds to an underscore character (code 95, in decimal).

< > Text appearing between angled brackets specifies the command

parameter to be sent or the response you will receive from an

instrument.

Do not include angled brackets in your program message.

| Indicates that one, and only one, value must be selected from the

available choices.

Example: If the list is 0|1, you can only select 0 or 1.

Do not include the pipe character in your program message.

{ } Indicate that the enclosed parameters can appear 0 to n times when the

command is used.

Do not include braces in your program message.

: Mandatory to separate keywords. Can be omitted at the beginning of a

program message. For example, you can use either :SYST:ERR or

SYST:ERR.

Item Meaning

<Upper/lower

case alpha>

<Upper/lower

case alpha>

<digit>

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