Exfo FLS-5800 CD/PMD Analyzer Source Manual do Utilizador descarregar pdf (Página 84)

Instrucciones de control remoto

78 FLS-5834A

Instrucciones IEEE 488.2: Descripción

*OPC?

Description The *OPC? query allows synchronization

between the instrument and an external

controller by reading the Output Queue or by

waiting for a service request on the Message

Available (MAV) bit in the Status Byte Register.

The *OPC? query causes the instrument to place

an ASCII character, 1, into its Output Queue

when the device completes all pending

operations. A consequence of this action is that

the MAV bit in the Status Byte Register is set to

state 1.

Syntax *OPC?

Parameter(s) None

Response Syntax <Acknowledge>

Response(s) Acknowledge:

The response data syntax for <Acknowledge> is

defined as a <NR1 NUMERIC RESPONSE DATA>

element.

The <Acknowledge> response is a single

ASCII-encoded byte corresponding to 1.

The receipt of an <Acknowledge> response

indicates that all pending selected device

operations have been completed.

Example(s) *OPC? Return 1

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Exfo FLS-5800 CD/PMD Analyzer Source Manual do Utilizador Página 84