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Programming > Command Reference > IEEE488.2 Common Commands

*WAI

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SCPI Command

*WAI

Description

Waits till the completion of all pending commands. The only command that can be pending is the TRIG:SING command. In absence of a pending command TRIG:SING the command WAI is equivalent to an empty operation. A query that follows the command WAI blocks the execution of the user program till the completion of the command TRIG:SING, similarly to the query *OPC?.
no query

Waits till the completion of all pending commands. The only command that can be pending is the TRIG:SING command.

In absence of a pending command TRIG:SING the command *WAI is equivalent to an empty operation.

A query that follows the command *WAI blocks the execution of the user program till the completion of the command TRIG:SING, similarly to the query *OPC?.

no query

Target

Analyzer

Related Commands

TRIG:SING

Equivalent Softkeys

None

Equivalent COM Command

SCPI.IEEE4882.WAI

Syntax

app.SCPI.IEEE4882.WAI

Type

Method

note	Since COM server executes commands sequentially and any operation is complete before COM server returns control the WAI command doesn't wait anything.

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Rev.: 24.1

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