Measurement-computing DAQFlex Bedienungsanleitung PDF herunterladen (Seite 19)

DAQFlex Message-based Firmware Specification Analog output calibration messages

 Set the slope in hexadecimal bytes for the current AICAL:RANGE setting.

Message

"AICAL{ch}:SLOPE/HEX=0xhex value"

Response

"AICAL{ch}:SLOPE"

The channel number.

hex value

The calibration slope in hexadecimal bytes.

Example

"AICAL{0}:SLOPE/HEX=0x14B525A3"

Note

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

value.

 Get the slope in hexadecimal bytes for the current AICAL:RANGE setting.

Message

"?AICAL{ch}:SLOPE/HEX" or "?AICAL{ch}:SLOPE"

Refer to the device-specific topics to see whether "/HEX" is supported.

Response

"AICAL{ch}:SLOPE=0xhex value"

The channel number.

hex value

The calibration slope in hexadecimal bytes.

UNLOCK

 Unlock the AOCAL component.

Message

"AOCAL:UNLOCK"

Response

"AOCAL:UNLOCK"

Note

 The AOCAL component must be unlocked in order to change calibration settings on a

device's analog outputs.

 When AOCAL is unlocked, sending a message to any component other than AOCAL

will lock the AOCAL component.

VALUE

 Set the value of the analog output channel being calibrated.

Message

"?AOCAL{ch}:VALUE=value"

Response

"AOCAL{ch}:VALUE"

The AO channel being calibrated.

value

The AO channel value in counts.

Example

"AOCAL{0}:VALUE=4095"

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

Message

"?AOCAL{ch}:VALUE"

Response

"AOCAL{ch}:VALUE=value"

The AO channel being calibrated.

value

The AO channel value in counts.

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