Measurement Computing DAQFlex User Guide - Manual (Page 32)

DAQFlex Software User's Guide DAQFlex Message Reference – Programming messages – AI
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Programming messages
Device programming messages are used to get and set device properties. Programming messages that
query a device property always start with the
?
character.
Click on a component name below for the string messages, device responses, and property values
supported by the component.
Components for
programming a device Description
AI Sets and gets property values for analog input channels.
AICAL Sets and gets property values for calibrating analog inputs.
AIQUEUE Sets and gets property values for the analog input gain queue.
AISCAN Sets and gets property values when scanning analog input channels.
AITRIG Sets and gets analog input trigger property values.
AO Sets and gets property values for analog output channels
AOCAL Sets and gets property values for calibrating analog outputs.
AOSCAN Sets and gets property values when scanning analog output channels.
DEV Sets and gets device property values.
DIO Sets and gets property values for digital I/O channels.
CTR Sets and gets property values for counter channels.
TMR Sets and gets property values for timer output channels.
AI
Sets and gets property values for analog input channels.
Refer to the device-specific information in the Hardware Reference section for the component properties
and commands supported by each DAQ device.
Properties
ADCAL, CAL, CHMODE, CJC, DATARATE, OFFSET, RANGE, RES, SCALE, SENSOR, SLOPE, STATUS,
VALIDCHANS, VALUE
(Component only)
 Get the number of analog input channels on a device.
Message
"?AI"
Response "AI=value"
value The number of A/D channels on the device.
ADCAL
 Start the A/D internal calibration.
Message
"AI:ADCAL/START"
Response "AI:ADCAL/START"