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DAQFlex Message-based Firmware Specification Analog output calibration messages

AIRES

 Get the resolution of the A/D used for calibrating the D/A.

Message

"?AOCAL:AIRES"

Response

"AOCAL:AIRES=value"

value

The A/D resolution.

Example

"AOCAL:AIRES=S24"

Note

The first character in the value returned indicates that the value is signed.

AISLOPE

 Get the slope for the current AICAL:RANGE setting.

Message

"?AOCAL{ch}:AISLOPE/HEX"

Response

"AOCAL{ch}:AISLOPE=0xhex value"

The analog output channel.

hex value

The slope currently set for AICAL:RANGE.

Example

"AOCAL{0}:AISLOPE=0x14B525A3"

Note

The hex value is used to preserve the precision of the double precision floating point

value.

AIVALUE

 Get the value of the analog input channel being calibrated.

Message

"?AOCAL{ch}:AIVALUE"

Response

"AOCAL{ch}:AIVALUE=value"

The AI channel being calibrated.

value

The AI channel value in counts.

Note

When this message is sent, the device switches the internal CalConfig to the DAC

channel that is specified in the message.

LOCK

 Lock the AOCAL component.

Message

"AOCAL:LOCK"

Response

"AOCAL:LOCK"

Note

The device returns INVALID if any AOCAL property message is accessed while the

AOCAL component is locked.

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Measurement-computing DAQFlex Manuale Utente Pagina 17

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