Measurement-computing DAQFlex Manual do Utilizador descarregar pdf (Página 14)

DAQFlex Message-based Firmware Specification Analog input calibration messages

REF

 Set the calibration reference voltage.

Message

"AICAL:REF=value"

Response

"AICAL:REF"

value

The voltage value.

Example

"AICAL:REF=+1.250034V"

Note

The voltage value is stored in EEPROM.

REFVAL

 Get the actual measured value of the currently set calibration reference voltage.

Message

"?AICAL:REFVAL"

Response

"AICAL:REFVAL=value"

value

The measured voltage value.

Note

The voltage value is retrieved from the value stored in EEPROM.

 Get the actual measured hex value of the currently set calibration reference voltage.

Message

"?AICAL:REFVAL/HEX"

Response

"AICAL:REFVAL=0xhex value"

hex value

The measured voltage hex value.

Note

Omitting "/HEX" from the query results in a loss of precision in the value returned.

RES

 Get the A/D resolution.

Message

"?AICAL:RES"

Response

"AICAL:RES=value"

value

The A/D resolution.

SLOPE

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

Message

"AICAL{ch}:SLOPE=value"

Response

"AICAL{ch}:SLOPE"

The channel number.

value

The calibration slope.

Example

"AICAL{0}:SLOPE=–0.0025"

1 2 ... 9 10 11 12 13 14 15 16 17 18 19 ... 45 46

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