ML24XXA NATIVE COMMANDS

GPIB OPERATION

6-10ML24XXA NATIVE

This section provides an alphabetical listing of the GPIB commands (mnemonics)

COMMANDS

used to program the Model ML2430A Series Power Meter in ML24XXA (native)

 

 

mode. The emulation mode can be set through the front panel

 

 

 

SYSTEMmoremoreRear panelGPIBMODE menu (see Chapter 4, Operation)

 

 

or through the GPIB command EMUL (page 6-35).

 

 

 

All ML24XXA (native) GPIB commands that use parameters must have a space

 

 

between the command header and the first parameter, and all subsequent pa-

 

 

rameters must be separated by a comma (,). Multiple commands may be sent on

 

 

the same line, but must be separated by a semicolon (;).

 

 

 

The format for ML24XXA (native) GPIB commands is:

 

 

 

<command header><space><parameter 1>,<parameter n>,...

 

 

The end of the command text must be terminated with a line feed character (0Ah,

 

 

decimal 10) or a GPIB End of Transmission State (EOI), or both.

 

*CLS

Clear GPIB status bytes

 

GPIB 488.2

 

Syntax: *CLS

 

Remarks: This command performs a status data structure clear command. The event status register and the status register are cleared except for the MAV bit. *CLS does not clear the output buffer.

*ESE

Event Status byte Enable

GPIB 488.2

 

Syntax:

*ESE <val>

 

 

val:

8-bit mask

 

 

Remarks:

Sets the Standard Event Status Enable Register bits (see Figure 6-2):

 

 

Bit 7: Power ON, when there has been a transition from a power OFF state

 

 

to a power ON state.

 

Bit 5: Command Error. This bit is set when an incorrect GPIB code is sent to the power meter.

Bit 4: Execution Error. This bit is set when incorrect data is sent to the power meter, e.g., ADDR 57 would result in an Execution Error as the al- lowable address value range is 1 to 30.

Bit 3: Device Dependent Error (DDE). This bit is set true whenever a meas- urement error occurs. Device Dependent Errors are:

ZERO fail - Zero attempted for a sensor and failed. CAL 0 dBm fail - 0 dBm value to far out.

Display channel number goes out of displayable range - Displayable range is +99.999 to –99.999 dBm.

Illegal log calculation for a channel - When a channel input

6-12

ML2430A OM

 

 

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Anritsu ML2430A operation manual ML24XXA Native Commands, 10ML24XXA Native