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Connecting Instruments to LAN 5

Agilent Connectivity Guide 115

488.2 and SCPI commands for communicating with instruments, as

shown below.

You can also type in instrument-specific commands (from your

instrument’s programming guide). The common 488.2 commands and

their meanings are listed in the table below.

Figure 42 Common 488.2 and SCPI Commands in Interactive IO

488.2 Commands

Meaning

*IDN?

The Identification query returns manufacturer, model, serial number, and

firmware level or equivalent.

*CLS

The Clear Status command clears status data structures, and forces the device

to the Operation Complete query idle state.

*OPC?

The Operation Complete query places an ASCII character “1” into the device’s

Output Queue when all pending selected device operations have been finished.

*RCL

The Recall command restores the current settings of a device from a copy

stored in local memory.

*RST

The Reset command performs a device reset, which sets the device-specific

functions to a known state that is independent of the past-use history of the

device.

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Agilent Technologies E2094S Manual de Serviço Página 115